Skip to content
← Biology

Biology · Class 12 Science

Maharashtra Msbshse Class 12 Biology — Real Previous-Year Papers

with complete answers

Real previous-year board papers, year by year — the official exam pattern, the full question paper, and every question solved the concept-first way. Distinct from the chapter-wise textbook bank.

2016–2026
Years of papers
10
Total Papers
10
Real Board Papers
0
Sample papers
450
Real-paper Q & A
0
Sample-paper Q & A

Real board-paper questions available, by year

47 Q2026complete
47 Q2025complete
47 Q2024complete
47 Q2023complete
47 Q2022complete
—2021Not available
47 Q2020complete
30 Q2019complete
46 Q2018complete
46 Q2017complete
46 Q2016complete

Maharashtra HSC (MSBSHSE) Board 2026 · Set ANNUAL

Real board examination

About this paper

The real Class-12 board examination held in 2026. Every question below is solved the concept-first way. Sample papers are labelled honestly — never shown as a past exam.

Total marks
70
Questions
47
Duration
180 min
Sections
5

The marks / questions / duration above are the official exam pattern. We currently have 47 of this paper’s questions (100% of the full paper), with 47 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

Sections & marks

SectionTypeQuestionsMarks eachTotal
ASection Acompulsory10110
ASection Acompulsory818
BSection Bchoice12224
CSection Cchoice12336
DSection Dchoice5420
Total4770

The question paper

The questions we hold for this paper, laid out by section. Solutions are on the Answers tab.

Board Examination

Biology

Maharashtra HSC (MSBSHSE) Board 2026 · Set ANNUAL

Series/Set: ANNUALRoll No. ________
Time Allowed: 3 hoursMaximum Marks: 70

General Instructions

  1. This question paper contains 47 questions divided into 5 sections — A, A, B, C, D.
  2. Section A comprises 10 questions of 1 mark each (compulsory).
  3. Section A comprises 8 questions of 1 mark each (compulsory).
  4. Section B comprises 12 questions of 2 marks each (choice).
  5. Section C comprises 12 questions of 3 marks each (choice).
  6. Section D comprises 5 questions of 4 marks each (choice).

Above is the official exam pattern. The questions printed below are those we currently hold for this paper.

Section A

compulsory · 1 mark each · 18 of 10 shown

Q1.
A cell divides mitotically into two. Daughter cells divide and redivide repeatedly. Such growth is called ______.
  • (a) arithmetic growth
  • (b) geometric growth
  • (c) growth ratio
  • (d) qualitative growth
[1]
Q2.
The transgenic plant Tomato contains transgene ______ for the production of flavonoids.
  • (a) Phytoene synthase
  • (b) Ferritin
  • (c) Chalone isomerase
  • (d) Phytase
[1]
Q3.
The cranial capacity of Neanderthal man was ______ C.C.
  • (a) 650
  • (b) 900
  • (c) 1400
  • (d) 1450
[1]
Q4.
Identify the organism which meet their energy and nutrient requirements by degrading the detritus:
  • (a) Omnivores
  • (b) Carnivores
  • (c) Autotrophs
  • (d) Saprotrophs
[1]
Q5.
Identify the algae among the following.
  • (a) Spirulina spp.
  • (b) Aspergillus niger
  • (c) Candida utilis
  • (d) Trichoderma viridi
[1]
Q6.
In plants, soluble food is always translocated in the form of ______.
  • (a) glucose
  • (b) starch
  • (c) sucrose
  • (d) fructose
[1]
Q7.
Identify invasive plant species from the following:
  • (a) Gloriosa
  • (b) Michelia
  • (c) Sansvieria
  • (d) Parthenium
[1]
Page 1 of 8
Q8.
The mature plasma cell produces antibodies at the rate of ___ molecules per second. (a) 2000 (b) 1000 (c) 900 (d) 300
[1]
Q9.
Which is the largest WBC among the following? (a) Eosinophil (b) Monocyte (c) Basophil (d) Lymphocyte
[1]
Q10.
The number of deaths when environmental pressures come into play is known as ___. (a) absolute mortality (b) absolute natality (c) realized mortality (d) realized natality
[1]
Q11.
Give the function of Leydig's cells.
[1]
Q12.
Define endangered species.
[1]
Q13.
Name the gene which is inherited directly from father to son.
[1]
Q14.
The producers receive 5000 Joules of light energy, then how much energy will be transferred to the carnivores (secondary consumers)?
[1]
Q15.
Define the term chlorosis.
[1]
Q16.
Give the name of key factor in DNA profiling.
[1]
Q17.
Define combined water.
[1]
Q18.
Give the role of tapetum.
[1]
Page 2 of 8
Section A

compulsory · 1 mark each · 18 of 10 shown

Q1.
A cell divides mitotically into two. Daughter cells divide and redivide repeatedly. Such growth is called ___. (a) arithmetic growth (b) geometric growth (c) growth ratio (d) qualitative growth
[1]
Q2.
The transgenic plant Tomato contains transgene ___ for the production of flavonoids. (a) Phytoene synthase (b) Ferritin (c) Chalone isomerase (d) Phytase
[1]
Q3.
The cranial capacity of Neanderthal man was ___ C.C. (a) 650 (b) 900 (c) 1400 (d) 1450
[1]
Q4.
Identify the organism which meet their energy and nutrient requirements by degrading the detritus: (a) Omnivores (b) Carnivores (c) Autotrophs (d) Saprotrophs
[1]
Q5.
Identify the algae among the following. (a) Spirulina spp. (b) Aspergillus niger (c) Candida utilis (d) Trichoderma viridi
[1]
Q6.
In plants, soluble food is always translocated in the form of ___. (a) glucose (b) starch (c) sucrose (d) fructose
[1]
Q7.
Identify invasive plant species from the following: (a) Gloriosa (b) Michelia (c) Sansvieria (d) Parthenium
[1]
Q8.
The mature plasma cell produces antibodies at the rate of ___ molecules per second. (a) 2000 (b) 1000 (c) 900 (d) 300
[1]
Q9.
Which is the largest WBC among the following? (a) Eosinophil (b) Monocyte (c) Basophil (d) Lymphocyte
[1]
Q10.
The number of deaths when environmental pressures come into play is known as ___. (a) absolute mortality (b) absolute natality (c) realized mortality (d) realized natality
[1]
Page 3 of 8
Q11.
Give the function of Leydig's cells.
[1]
Q12.
Define endangered species.
[1]
Q13.
Name the gene which is inherited directly from father to son.
[1]
Q14.
The producers receive 5000 Joules of light energy, then how much energy will be transferred to the carnivores (secondary consumers)?
[1]
Q15.
Define the term chlorosis.
[1]
Q16.
Give the name of key factor in DNA profiling.
[1]
Q17.
Define combined water.
[1]
Q18.
Give the role of tapetum.
[1]
Section B

choice · 2 marks each · 12 of 12 shown

Q1.
Give the features of respiratory surface for gaseous exchange.
[2]
Q2.
Differentiate between complete sex-linkage and incomplete sex-linkage with reference to location of the gene and inheritance.
[2]
Page 4 of 8
Q3.
Explain the properties of nerve fibre with reference to: (a) Irritability (b) Conductivity
[2]
Q4.
Draw a neat diagram of a nucleosome and label the following: (i) H1 histone (ii) DNA (iii) Octamer
[2]
Q5.
Give any four advantages of micropropagation.
[2]
Q6.
Name the organisms and their role in conversion of rock into soil.
[2]
Q7.
Explain various harmful effects of noise pollution on human being.
[2]
Q8.
Explain skeletal features of Homo erectus.
[2]
Q9.
Enlist the main objectives for improved animal breeding programmes using gene transfer technology.
[2]
Q10.
Mention any four factors affecting water absorption.
[2]
Q11.
Write briefly on Alzheimer's disease.
[2]
Page 5 of 8
Q12.
Calculate the amount of ATP required by nitrogen fixer for the formation of 1000 molecules of ammonia. Name the specialised cell of cyanobacteria where nitrogen is fixed.
[2]
Section C

choice · 3 marks each · 12 of 12 shown

Q1.
Match the respiratory surface to the organism in which it is found: Organisms – (1) Limulus (2) Protists (3) Tadpoles of frog (4) Fishes (5) Reptiles (6) Spiders; Respiratory surface/organs – (a) Lungs (b) Internal gills (c) Book lungs (d) External gills (e) Plasma membrane (f) Book gills (g) Cloaca
[3]
Q2.
Explain criss-cross inheritance with reference to bleeder's disease by suitable charts.
[3]
Q3.
(a) Distinguish between hibernation and aestivation. (b) Give two behavioural adaptations of desert animals.
[3]
Q4.
Define: (a) Siphonogamy (b) Parthenocarpy (c) Polyembryony
[3]
Q5.
What is transpiration? Explain stomatal opening and closing mechanism with reference to starch-sugar interconversion theory.
[3]
Page 6 of 8
Q6.
Enlist any six characteristics of genetic code.
[3]
Q7.
(a) Mention the name of germ layer from which adrenal cortex and pancreas are developed. (b) Explain the role of alpha (α) and delta (δ) cells of islets of Langerhans.
[3]
Q8.
Define addiction. Give the physiological effects of: (a) Cocaine (b) Cannabinoids
[3]
Q9.
What is infertility? Describe in brief ZIFT and GIFT.
[3]
Q10.
Draw Urey and Miller's experimental setup and label it.
[3]
Q11.
(a) What is grand period of growth? (b) Give two examples each of: (1) Growth promoters (2) Growth inhibitors
[3]
Q12.
(a) What is biofertilizer? (b) Draw and label the T.S. of root nodules.
[3]
Page 7 of 8
Section D

choice · 4 marks each · 5 of 5 shown

Q1.
With the help of labelled diagram describe the structure of human sperm.
[4]
Q2.
What is cardiac cycle? Draw a normal ECG and label it. What do P-wave and QRS complex represent?
[4]
Q3.
Write the name of disorders caused due to hypo and hyper secretion of adrenal corticoids. Mention any 3 symptoms of each of these disorders.
[4]
Q4.
Explain nuclear and helobial type of endosperm with suitable examples.
[4]
Q5.
Describe in brief: (a) What is germ line gene therapy? Why is it not encouraged? (b) Explain somatic cell gene therapy. Mention any two acquired disorders for which it is used.
[4]
Page 8 of 8