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https://conceptfirst.ai/senior-secondary/tripura-tbse/class-12-science/mathematics/integrals/q/tbse-mathematics-2023-annual-q11-if-displaystyle-int-0-a-dfrac-dx-1-x-2-dfrac-pi-4-then-what-is-the-value-of-a-0o2vl9 2026-08-04T18:29:46.870Z weekly 0.6 https://conceptfirst.ai/senior-secondary/tripura-tbse/class-12-science/mathematics/integrals/q/tbse-mathematics-2023-annual-q29-find-the-value-of-displaystyle-int-dfrac-dx-x-sqrt-x-lrqz1c 2026-08-04T18:29:46.870Z weekly 0.6 https://conceptfirst.ai/senior-secondary/tripura-tbse/class-12-science/mathematics/integrals/q/tbse-mathematics-2023-annual-q30-dfrac-d-dx-left-displaystyle-int-f-x-dx-right-91olik 2026-08-04T18:29:46.870Z weekly 0.6 https://conceptfirst.ai/senior-secondary/tripura-tbse/class-12-science/mathematics/integrals/q/tbse-mathematics-2023-annual-q31-find-the-value-of-displaystyle-int-left-dfrac-x-1-x-right-x-log-x-dx-8fddxe 2026-08-04T18:29:46.870Z weekly 0.6 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weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2020-wk-q3-parthenogenesis-occurs-in-7kneqw 2026-08-03T15:02:44.488Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q12-how-many-chromosomes-are-found-in-turner-and-klinefelter-syndromes-l9a2se 2026-08-03T15:02:57.018Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q17-differentiate-between-incomplete-dominance-and-co-dominance-pxc0gd 2026-08-03T15:02:57.018Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q22-describe-the-inheritance-of-abo-blood-group-in-humans-my364a 2026-08-03T15:02:57.018Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q25-comment-upon-sickle-cell-anaemia-in-short-cxdp6l 2026-08-03T15:02:57.018Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q28-describe-the-chromosomal-theory-of-inheritance-or-describe-the-roles-of-microbes-in-industrial-products-synthesis-hx7ic6 2026-08-03T15:02:57.018Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/biology/principles-of-inheritance-and-variation/q/upmsp-biology-2022-go-q6-how-many-pairs-of-contrasting-traits-were-studied-by-mendel-in-pea-plant-gljjno 2026-08-03T15:02:57.018Z weekly 0.6 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2026-08-03T15:07:11.952Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/integrals/q/upmsp-mathematics-2024-ex-q31-evaluate-displaystyle-int-0-pi-dfrac-x-dx-a-2-cos-2-x-b-2-sin-2-x-or-prove-that-displaystyle-int-0-pi-2-sin-2x-tan-1-sin-x-dx-left-dfrac-pi-2-1-right-69jm1u 2026-08-03T15:07:11.952Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/integrals/q/upmsp-mathematics-2025-ix-q3-the-value-of-displaystyle-int-0-pi-2-dfrac-dx-1-sqrt-tan-x-will-be-s7ok7t 2026-08-03T15:07:24.487Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/integrals/q/upmsp-mathematics-2025-ix-q31-integrate-displaystyle-int-left-dfrac-2-sin-2x-1-cos-2x-right-e-x-dx-or-solve-displaystyle-int-dfrac-3x-5-dx-x-3-x-2-x-1-7c0awd 2026-08-03T15:07:24.487Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/relations-and-functions/q/upmsp-mathematics-2022-ff-q7-if-f-r-to-r-where-f-x-cos-x-and-g-r-to-r-where-g-x-x-2-then-prove-that-fog-neq-gof-0ckt15 2026-08-03T15:06:45.989Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/relations-and-functions/q/upmsp-mathematics-2023-ax-q15-if-f-r-to-r-where-f-x-sin-x-and-g-r-to-r-where-g-x-x-2-then-find-the-range-of-f-x-and-g-x-0kebzi 2026-08-03T15:06:59.427Z weekly 0.6 https://conceptfirst.ai/senior-secondary/uttar-pradesh-upmsp/class-12-science/mathematics/relations-and-functions/q/upmsp-mathematics-2023-ax-q20-if-f-x-x-dfrac-1-x-prove-that-f-x-3-f-x-3-3f-left-dfrac-1-x-right-6du0e3 2026-08-03T15:06:59.427Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-cell-the-unit-of-life/the-cell-membrane-and-the-fluid-mosaic-model 2026-08-08T04:42:20.453Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-cell-the-unit-of-life/the-cell-wall 2026-08-08T04:42:20.453Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-cell-the-unit-of-life/the-endomembrane-system-and-the-nucleus 2026-08-08T04:42:20.453Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-cell-the-unit-of-life/what-is-a-cell-the-cell-as-the-basic-unit-of-life 2026-08-08T04:42:20.453Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/adrenal-gland 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/endocrine-glands-and-hormones-general-introduction 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/gonads-testis-and-ovary 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/hormones-as-messengers-and-regulators-feedback-control 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/hypoactivity-hyperactivity-and-related-endocrine-disorders 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/mechanism-of-hormone-action 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/pancreas-as-an-endocrine-gland 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/parathyroid-gland 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-1-describe-the-human-endocrine-system-naming-the-principal-endocrine-glands-of-the-body-and-stating-one-majo-aexrwf 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-2-describe-the-structure-of-the-pituitary-gland-anterior-and-posterior-parts-and-discuss-the-hormones-secret-bt7n1x 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-3-explain-in-detail-the-mechanism-of-action-of-protein-hormones-and-of-steroid-hormones-on-their-target-cell-uei3vz 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-4-describe-the-structure-of-the-adrenal-gland-and-discuss-the-hormones-secreted-by-its-cortex-and-its-medull-h137bg 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-5-discuss-the-role-of-the-pancreas-as-a-heterocrine-mixed-gland-describing-insulin-and-glucagon-and-explaini-sop9m8 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-6-discuss-the-following-endocrine-disorders-with-reference-to-the-gland-hormone-involved-their-cause-and-the-plfar3 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-7-discuss-the-following-endocrine-disorders-with-reference-to-their-cause-and-their-effect-on-the-body-creti-klix21 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/long-answer-8-describe-addisons-disease-with-reference-to-the-gland-affected-its-cause-and-its-principal-symptoms-and-ex-0d8djg 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-1-which-of-the-following-hormones-is-a-steroid-unlike-the-other-three-which-are-peptide-protein-hormones-a-insulin-b-yk3jdx 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-10-addisons-disease-marked-by-chronic-fatigue-low-blood-pressure-and-darkened-skin-results-from-hypofunction-of-the-x5tre5 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-2-oxytocin-and-vasopressin-though-released-from-the-posterior-pituitary-are-actually-synthesised-by-neurosecretory-c-a008c7 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-3-which-hormone-secreted-by-the-adrenal-medulla-and-often-called-the-emergency-hormone-raises-heart-rate-blood-press-p9k857 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-4-deficiency-of-growth-hormone-during-childhood-before-the-epiphyseal-plates-of-the-long-bones-have-fused-chiefly-re-s6jwo2 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-5-excess-secretion-of-growth-hormone-in-an-adult-after-the-epiphyseal-plates-have-already-fused-produces-a-gigantism-puoifo 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-6-calcitonin-a-hormone-that-lowers-blood-calcium-level-by-inhibiting-bone-resorption-is-secreted-by-the-a-parathyroi-jt8hkl 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-7-within-the-islets-of-langerhans-of-the-pancreas-insulin-is-secreted-by-the-a-alpha-cells-b-beta-cells-c-delta-cell-hi1qsg 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-8-exophthalmic-goitre-graves-disease-marked-by-protruding-eyeballs-and-an-enlarged-overactive-thyroid-results-from-a-bvxxf9 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/mcq-9-protein-peptide-hormones-being-unable-to-cross-the-lipid-plasma-membrane-typically-act-on-their-target-cells-by-a-s338oy 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/short-answer-1-distinguish-between-endocrine-glands-and-exocrine-glands-with-one-example-of-each-3s2yxu 2026-08-08T05:37:02.315Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/short-answer-5-differentiate-between-glucocorticoids-and-mineralocorticoids-secreted-by-the-adrenal-cortex-xxolk4 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/short-answer-6-distinguish-between-dwarfism-and-cretinism-both-hypoactivity-disorders-but-of-different-glands-x9ep1f 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/short-answer-7-distinguish-between-simple-iodine-deficiency-goitre-and-exophthalmic-goitre-graves-disease-gfupun 2026-08-08T05:37:02.315Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/very-short-answer-5-what-is-a-goitre-l6q67m 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/very-short-answer-6-name-the-two-hormones-secreted-by-the-adrenal-medulla-d8s43j 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/very-short-answer-7-state-in-one-line-the-overall-effect-of-parathyroid-hormone-pth-on-blood-calcium-level-fg9t9p 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/q/very-short-answer-8-what-is-meant-by-a-target-organ-with-reference-to-hormone-action-frb3dq 2026-08-08T05:37:02.315Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/summary 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/the-hypothalamus 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/the-pineal-gland 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/the-pituitary-gland 2026-08-08T05:37:02.315Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-chemical-coordination-and-integration/thyroid-gland 2026-08-08T05:37:02.315Z weekly 0.7 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weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-excretory-products-and-their-elimination/modes-of-nitrogenous-excretion 2026-08-08T05:36:25.400Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-excretory-products-and-their-elimination/osmoregulation-and-the-counter-current-mechanism 2026-08-08T05:36:25.400Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-excretory-products-and-their-elimination/q/long-answer-1-describe-with-reference-to-their-structure-and-function-the-gross-anatomy-of-the-human-excretory-system-in-0pueqz 2026-08-08T05:36:25.400Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-excretory-products-and-their-elimination/q/long-answer-2-describe-the-detailed-structure-of-a-nephron-naming-all-its-parts-in-order-from-the-malpighian-corpuscle-t-upcd7f 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0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-photosynthesis-in-higher-plants/photosynthesis-an-overview-of-autotrophic-nutrition 2026-08-08T05:02:44.829Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-photosynthesis-in-higher-plants/photosynthetic-pigments-carotenoids-absorption-spectrum-and-action-spectrum 2026-08-08T05:02:44.829Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-photosynthesis-in-higher-plants/photosynthetic-pigments-structure-and-empirical-formulas-of-the-chlorophylls 2026-08-08T05:02:44.829Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/biology/wb-bio-photosynthesis-in-higher-plants/q/long-answer-1-describe-in-detail-the-structure-of-a-chlorophyll-molecule-the-porphyrin-head-with-its-central-mg2-ion-and-t9cjpr 2026-08-08T05:02:44.829Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-chemical-bonding-and-molecular-structure/q/exercise-14-using-molecular-orbital-theory-write-the-electronic-configuration-of-text-n-2-calculate-its-bond-order-and-e-hn3g2c 2026-08-08T13:55:09.602Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-chemical-bonding-and-molecular-structure/q/exercise-15-arrange-text-n-2-text-o-2-and-text-f-2-in-decreasing-order-of-bond-dissociation-energy-using-the-bond-orders-s17011 2026-08-08T13:55:09.602Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-chemical-bonding-and-molecular-structure/q/exercise-2-using-simple-lewis-electron-dot-structures-determine-the-bond-order-of-the-nitrogen-nitrogen-bond-in-text-n-2-c72hpp 2026-08-08T13:55:09.602Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-classification-of-elements-and-periodicity-in-properties/periodic-trends-in-atomic-radius-ionic-radius-and-van-der-waals-radius 2026-08-08T13:53:24.410Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-classification-of-elements-and-periodicity-in-properties/periodic-trends-in-electron-gain-enthalpy 2026-08-08T13:53:24.410Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-classification-of-elements-and-periodicity-in-properties/periodic-trends-in-ionization-enthalpy 2026-08-08T13:53:24.410Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-classification-of-elements-and-periodicity-in-properties/periodic-trends-in-valency 2026-08-08T13:53:24.410Z weekly 0.7 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/electrophilic-addition-markovnikov-s-rule-and-the-peroxide-effect 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/free-radical-halogenation-mechanism 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/friedel-crafts-alkylation-and-acylation 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/geometrical-isomerism-in-alkenes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/mechanism-of-electrophilic-aromatic-substitution 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/nomenclature-and-structure-of-the-double-bond-in-alkenes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/nomenclature-structure-and-acidic-character-of-alkynes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/nomenclature-structure-and-preparation-of-alkanes-alkenes-and-alkynes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/ozonolysis-and-oxidation-of-alkenes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/physical-properties-and-preparation-of-alkenes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/physical-properties-of-alkanes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/preparation-and-addition-reactions-of-alkynes 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/q/example-1-write-the-iupac-name-of-text-ch-3-2-text-chch-2-text-ch-text-ch-3-2-wmz7zs 2026-08-08T14:40:10.149Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/q/example-10-predict-the-major-product-when-text-hbr-is-added-to-propene-in-the-presence-of-organic-peroxides-and-explain-to2vqh 2026-08-08T14:40:10.149Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/q/exercise-12-write-the-equation-for-the-industrial-preparation-of-ethyne-from-calcium-carbide-and-state-one-major-industr-tu1a41 2026-08-08T14:40:10.149Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/q/exercise-13-ethyne-reacts-with-water-in-the-presence-of-mercuric-sulphate-and-dilute-sulphuric-acid-to-give-acetaldehyde-sekm0u 2026-08-08T14:40:10.149Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/q/exercise-14-compare-the-products-formed-when-but-2-yne-is-treated-with-a-excess-hydrogen-over-platinum-catalyst-and-b-hy-xic9al 2026-08-08T14:40:10.149Z weekly 0.6 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weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-hydrocarbons/summary 2026-08-08T14:40:10.149Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/carbocations-and-carbanions-structure-and-relative-stability 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/classification-of-organic-compounds 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/electronic-displacement-in-a-covalent-bond-inductive-effect 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/electrophiles-and-nucleophiles 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/fission-of-a-covalent-bond-homolytic-and-heterolytic-fission-free-radicals 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/general-introduction-to-organic-chemistry 2026-08-08T14:40:01.280Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-organic-chemistry-some-basic-principles/hyperconjugation 2026-08-08T14:40:01.280Z weekly 0.7 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0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-some-basic-concepts-of-chemistry/percentage-composition-empirical-and-molecular-formula 2026-08-08T13:55:03.165Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-some-basic-concepts-of-chemistry/q/example-1-when-5-6-text-g-of-calcium-carbonate-text-caco-3-is-heated-strongly-it-decomposes-completely-as-text-caco-3-ri-kme9yg 2026-08-08T13:55:03.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/chemistry/wb-chem-some-basic-concepts-of-chemistry/q/example-10-4-0-text-g-of-sodium-hydroxide-text-naoh-molar-mass-40-0-text-g-mol-1-is-dissolved-in-enough-water-to-make-25-1vg5h0 2026-08-08T13:55:03.165Z weekly 0.6 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0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-binomial-theorem/the-middle-term-s 2026-08-08T10:48:39.573Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations 2026-08-08T10:11:28.321Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/addition-and-subtraction-of-complex-numbers 2026-08-08T10:11:28.321Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/algebraic-properties-of-complex-numbers 2026-08-08T10:11:28.321Z weekly 0.7 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/conjugate-of-a-complex-number 2026-08-08T10:11:28.321Z weekly 0.7 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weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/examples-5-express-z-1-i-sqrt3-in-polar-form-pi7zsz 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/examples-6-solve-the-quadratic-equation-x-2-2x-5-0-in-the-complex-number-system-wvj266 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/exercise-algebra-of-complex-numbers-1-express-5-3i-2-4i-in-the-form-a-ib-xlq6ac 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/exercise-algebra-of-complex-numbers-2-find-2-i-3-4i-and-express-the-result-in-the-form-a-ib-nfp0yl 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/exercise-algebra-of-complex-numbers-3-find-the-multiplicative-inverse-of-z-2-3i-rdwewg 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/exercise-algebra-of-complex-numbers-4-simplify-dfrac-3-4i-4-3i-and-express-the-result-in-the-form-a-ib-bqvbnj 2026-08-17T09:00:00.165Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-complex-numbers-and-quadratic-equations/q/exercise-algebra-of-complex-numbers-5-evaluate-i-37-dfrac-1-i-67-agzxp4 2026-08-17T09:00:00.165Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-hyperbola-3-find-the-equation-of-the-hyperbola-whose-foci-are-pm13-0-and-the-length-of-the-transverse-axis-is-2-tsfdk0 2026-08-17T09:00:22.744Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-hyperbola-4-find-the-equation-of-the-hyperbola-whose-vertices-are-0-pm6-and-eccentricity-is-dfrac-5-3-uhgums 2026-08-17T09:00:22.744Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-hyperbola-5-find-the-equation-of-the-hyperbola-whose-foci-are-pm13-0-and-the-length-of-the-conjugate-axis-is-24-6h9z6p 2026-08-17T09:00:22.744Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-parabola-1-find-the-coordinates-of-the-focus-the-equation-of-the-directrix-the-axis-and-the-length-of-the-latus-x7mk7j 2026-08-17T09:00:22.744Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-parabola-2-find-the-coordinates-of-the-focus-the-equation-of-the-directrix-the-axis-and-the-length-of-the-latus-63nus4 2026-08-17T09:00:22.744Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-conic-sections/q/exercise-parabola-3-find-the-equation-of-the-parabola-with-focus-0-3-and-directrix-y-3-0di6hr 2026-08-17T09:00:22.744Z weekly 0.6 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https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/example-4-find-the-equations-of-the-lines-through-the-point-5-2-that-are-a-parallel-to-the-x-axis-and-b-parallel-to-the-c62s9i 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/example-5-find-the-equation-of-the-line-with-slope-3-passing-through-the-point-4-7-d6eu0f 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/example-6-find-the-equation-of-the-line-passing-through-the-points-2-3-and-4-9-using-the-two-point-form-hence-write-the-hcxp02 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/example-7-a-line-makes-intercepts-4-and-6-on-the-x-axis-and-y-axis-respectively-find-its-equation-verify-your-answer-by-dvv9df 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/example-8-find-the-distance-of-the-point-2-5-from-the-line-3x-4y-8-0-also-find-the-distance-between-the-parallel-lines-3-vo690r 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/exercise-distance-of-a-point-from-a-line-1-find-the-distance-of-the-point-3-2-from-the-line-5x-12y-26-0-4u604r 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/exercise-distance-of-a-point-from-a-line-2-find-the-distance-between-the-parallel-lines-4x-3y-7-0-and-4x-3y-8-0-e02dn0 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/exercise-distance-of-a-point-from-a-line-3-find-the-value-s-of-p-if-the-distance-of-the-point-2-p-from-the-line-3x-4y-5-j9lc3r 2026-08-08T10:48:56.103Z weekly 0.6 https://conceptfirst.ai/senior-secondary/west-bengal-wbchse/class-11-science/mathematics/wb-math-straight-lines/q/exercise-distance-of-a-point-from-a-line-4-find-the-distance-between-the-parallel-lines-3x-4y-9-and-6x-8y-15-first-check-94eab1 2026-08-08T10:48:56.103Z weekly 0.6