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Botany · Class 11 Science

Kerala Dhse Class 11 Botany — 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.

2018–2026
Years of papers
9
Total Papers
9
Real Board Papers
0
Sample papers
187
Real-paper Q & A
0
Sample-paper Q & A

Real board-paper questions available, by year

20 Q2026complete
20 Q2025complete
19 Q2024complete
20 Q2023complete
22 Q2022complete
30 Q2021complete
20 Q2020complete
18 Q2019complete
18 Q2018complete

Kerala DHSE Plus One Board 2026 · Set ANN

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
—
Questions
—
Duration
—
Sections
—

The marks / questions / duration above are the official exam pattern. We currently have 20 of this paper’s questions, with 20 fully solved. Questions we couldn’t yet extract or verify are held — never shown as complete.

The question paper

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

Board Examination

Botany

Kerala DHSE Plus One Board 2026 · Set ANN

Series/Set: ANNRoll No. ________
Time Allowed: —Maximum Marks: —
Section Other

Other / unmarked

Q1.
Which kingdom includes multicellular, heterotrophic organism with chitin in their cell walls?
[1]
Q2.
Which plant group has vascular tissues but no seeds?
  • (a) Bryophytes
  • (b) Algae
  • (c) Pteridophytes
  • (d) Gymnosperm
[1]
Q3.
The type of venation found in dicot leaves is ______ .
[1]
Q4.
Observe the relationship of first pair and fill in the blank of second pair. Meiosis I : Reductional division :: Meiosis II : ______
[1]
Q5.
Name the meristem responsible for primary growth of plants.
[1]
Q6.
What causes red tides and what are their effects?
[2]
Page 1 of 3
Q7.
What is heterospory? Name two pteridophytes that show these features.
[2]
Q8.
Mention two differences between the Vascular bundles of dicot and monocot stems.
[2]
Q9.
What are bulliform cells? State its functions.
[2]
Q10.
Observe the diagram given below : (a) Identify the Plastid (b) Label the parts marked as A B (c) Which type of ribosomes are found in these plastid?
[2]
Q11.
(a) Fill the blanks in the flowchart given below. (b) Which cell organelle possesses hydrolytic enzymes?
[2]
Q12.
During photosynthetic CO2 fixation certain plants, produce PGA as first stable product. (a) Name such plants. (b) Who reported the pathway? (c) What is the enzyme for carboxylation? (d) Which is the primary CO2 acceptor in this pathway?
[2]
Q13.
(a) What is Respiratory Quotient or Respiratory ratio? (b) Name any two substrates used for respiration.
[2]
Q14.
(a) Mention two compounds produced during Krebs cycle, from which ATP can be synthesised through oxidative phosphorylation. (b) How many molecules of ATP can be produced from each of these compounds?
[2]
Page 2 of 3
Q15.
Choose the appropriate function from the bracket and fill up the blanks against each plant hormone in the table. (Ripening of fruits, helps to overcome apical dominance, increases the length of the stem in sugar cane, induction of parthenocarpy) Plant hormone – Function of the hormone Auxin – Gibberellin – Cytokinin – Ethylene –
[2]
Q16.
"Plant growth generally is Indeterminate." Evaluate the statement.
[2]
Q17.
Diagram of a mango fruit is given below. Observe the diagram and answer the following questions. (a) Label the parts A and B. (b) State the mesocarp nature of Mango and Coconut. (c) Which type of fruits are found in Mango and Coconut and state its peculiarities.
[3]
Q18.
Observe the diagram of cell cycle given below and answer the following questions. (a) Identify the stages A, B and C of the cell cycle. (b) In animals mitotic cell division is only seen in the diploid somatic cells. However, there are few exceptions to this where haploid cells divide by mitosis. Name the organism that shows this phenomenon. (c) Why S – Phase is so called synthesis phase?
[3]
Q19.
"C4 plants are special, they have a special type of leaf anatomy." (a) Name the special type of leaf anatomy shown by C4 plants. (b) Illustrate the four major advantages of C4 plants over C3 plants.
[3]
Q20.
The TCA cycle is given below. (a) Label the substrate A, B, C and D. (b) Name the scientist who traced the pathway. (c) Identify the steps in TCA cycle where GTP is synthesised.
[3]
Page 3 of 3