ASSEB Class 11 Biology 2022 Question Paper [H.S 1st Year Biology Science Question Paper]

AHSEC Class 11 Biology Question Paper 2022 – Assam Board Science Question Paper 

Are you looking for the ASSEB erstwhile AHSEC Class 11 Biology Question Paper 2022 for the Assam Board Science stream?

Here, we have a simple analysis of the HS 1st Year Biology Question Paper 2022 in PDF under the Assam Higher Secondary Education Council (AHSEC), now known as the Assam State School Education Board (ASSEB).

The Assam Board Class 11 Biology Previous Year Question Paper 2022 is a useful resource for students preparing for their ASSEB Division-I board exams. It helps students understand the exam pattern, marks distribution, and important topics. By practicing this paper, students can improve their preparation and perform better in exams. Basically this Question Paper is based on Old Pattern but helpful for Theory part of Class 11 Biology Exam.

This question paper follows the new exam pattern and can be helpful for ASSEB Class 11 Science students of the Assam Board.

2022

BIOLOGY

(Theory)

Full Marks: 70

Pass Marks: 21

Time: 3 hours

The figures in the margin indicate full marks for the questions

Use separate Answer-scripts for Part-I (Botany) and Part-II (Zoology)

PART-I

(Botany)

(Marks: 35)

1. Where are the chlorophylls present in chloroplast? 1

2. Who proposed five-kingdom concept of living world? 1

3. What is herbarium'? 1

4. Name the cell organelle which has no membrane. 1

5. What are the significances of meiosis? 2

6. What are the pigments involved in photosynthesis? 2

7. What is cell theory? 2

8 Write what you mean by micronutrient and macronutrient with examples. 2

9. Write the difference between xylem and phloem. 2

10. Lysosomes are regarded as suicidal bag of cell." Explain. 3

Or

Explain with diagram, the structure of a typical chromosome.

11. Draw and label different tissues revealed under the transverse section of dorsiventral leaf. 3

Or

Explain with diagram, the structure of a cell wall.

12. What do you mean by Kranz Anatomy? 3

Or

Write the differences between heartwood and sapwood.

13. Distinguish between (any one): 3

(a) Stroma and Thylakoid

(b) Light reaction and Dark reaction

(c) Diffusion and Osmosis

14. What do you mean by plant growth regulators? Mention few roles of auxin. 1+3=4

Or

Describe the alternation of generation with labelled diagram. 4

Or

What is Lichen? Write the importance of Lichen. 1+3=4

15. What is Calvin cycle? Describe the different stages of Calvin cycle. 5

Or

What do you mean by light reaction of photosynthesis? Write the difference between cyclic photophosphorylation and non-cyclic photophosphorylation. 1+4=5

Or

What is Krebs cycle? Describe the different stages of Krebs cycle. 1+4=5

PART-II

(Zoology)

(Marks: 35)

1. Fill in the blanks (any five): 1x 5=5

(a) Mitochondria is known as _______of cell.

(b) Alkaloids are ______metabolites.

(c) Molecules present in the cell is called _______.

(d) Echinoderms are _______symmetrical.

(e) Protein part of enzyme is called ______.

(f) Proteins are the polymers of _____.

2. Give very short answers of the following (any four): 1×4=4

(a) Define cell cycle.

(b) What is axon?

(c) What is muscular system?

(d) How is oxygen carried in the blood?

(e) Which node acts as pacemaker of the heart?

(f) Name one fat splitting enzyme

(g) What are neurons?

3. Write the differences between the following (any two): 2x2=4

(a) Blood and Lymph

(b) Bone and Cartilage

(c) Small and Large intestine

(d) Exocrine and Endocrine glands

(e) Voluntary muscle and Involuntary muscle

(f) Essential and Non-essential amino acids

4. Answer the following in brief (any three): 2x3=6

(a) Write the names of bile pigments.

(b) Write about cytoskeleton.

(c) Write the four general characters of annelids.

(d) Write about body symmetry.

(e) Mention few biological significances of proteins.

(f) Write a short note on oxygen-haemoglobin dissociation curve.

5. Write short notes on (any two): 3x2=6

(a) Chemical nature of enzyme

(b) Nucleus

(c) Significance of meiosis

(d) Reflex action

(e) Nephron

(f) Mechanism of enzyme action

6. Describe the digestive system of human with diagram. 4+1=5

Or

Classify the enzymes in IUB system. 5

7. What is respiration? Describe the different types of respiration. 1+4=5

Or

What is chemical coordination? What are the hormones secreted by thyroid gland? Mention their functions. 1+2+2=5

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