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Biology 9 Past Paper 2025 | Notely

HomePast papersBiology 92025

All Biology 9 papers

Matric 9 · Past paper

Biology 9 past paper 2025

87 published questions in this index. The full practice view lets you work through them and track your own attempts.

29 MCQs58 written questionsPractise this paper

Question index

2(ii)
Briefly describe any two careers based on study of biology.
Part B3 marksannualThe Science Of Biology
2(vi)
Enlist any four steps involved in biological method in their correct order.
Part B3 marksannualThe Science Of Biology
2(xi)
Briefly explain theory and law with examples.
Part B1.5 marksannualThe Science Of Biology
2(xi)
Briefly explain horticulture and animal husbandry with examples.

This is a skimmable index, not a replacement for the study surface. Open the practice view to answer questions and use the linked study material.

Part B1.5 marksannualThe Science Of Biology

Q.3

Discuss the connection of biology with: Physics, Chemistry, Computer, Geography and Economics.

Part C5 marksannualThe Science Of Biology

Q.4

Illustrate first five steps of scientific method used in solving a biological problem.

Part C1 marksannualThe Science Of Biology

2

If human and cats belong to same class, they must belong to same:

MCQannualBiodiversity

2(ii)

Outline taxonomic hierarchy of human up to taxon of phylum.

Part B3 marksannualBiodiversity

2(ii)

Outline taxonomic hierarchy of pea up to taxon of phylum.

Part B3 marksannualBiodiversity

2(v)

Why are viruses considered to be at borderline between living and non-living organisms?

Part B3 marksannualBiodiversity

2(v)

Compare domain archaea and eubacteria. (Any two points)

Part B3 marksannualBiodiversity

2(x)

How does biodiversity contribute to stability of natural ecosystem? Explain briefly. Provide one example.

Part B3 marksannualBiodiversity

3

Colonial organization is the unique feature of kingdom:

MCQannualBiodiversity

3

A ______ is a group of related genera.

MCQannualBiodiversity

3

Which one is correct scientific name according to binomial nomenclature?

MCQannualBiodiversity

5

Which system is involved in regulating blood glucose level?

MCQannualBiodiversity

Q.4

What is meant by two kingdom and five kingdom classification systems? Give their comparison.

Part C5 marksannualBiodiversity

1

Study of inserting human insulin gene in bacteria is related with:

MCQannualThe Cell

2

A multicellular heterotrophic eukaryotic organism having chitinous cell wall is the member of kingdom:

MCQannualThe Cell

2(ii)

Write one structural difference and one similarity between flagella and cilia. Give one example of each.

Part B3 marksannualThe Cell

2(iii)

Identify the cell organelles which are found both in animal and plant cells.

Part B3 marksannualThe Cell

2(v)

State any three structural advantages of a plant cell.

Part B1 marksannualThe Cell

2(viii)

Write one role each of hormones, fibrinogen and keratin as proteins in the cells of human body.

Part B3 marksannualThe Cell

4

Which organelle is considered as protein factory of cell?

MCQannualThe Cell

4

Identify organelle which lacks its own DNA:

MCQannualThe Cell

4

Which type of movement of molecules across the cell membrane requires ATP?

MCQannualThe Cell

5

Division of cytoplasm takes place in:

MCQannualThe Cell

6

DNA contains all other nitrogenous bases, EXCEPT:

MCQannualThe Cell

7

In DNA, the ‘rungs’ of ladder are formed by pair of:

MCQannualThe Cell

10

The organelle responsible for fluid storage in given plant cell is:

MCQannualThe Cell

Q.4

Give diagram of an organelle that plays a vital role in cellular digestion. Also explain its mechanism.

Part C2 marksannualThe Cell

Q.5

Draw labeled sketch of nucleus. Explain its structure and function.

Part C1 marksannualThe Cell

Q.5

Draw a labeled sketch of Golgi apparatus. Explain its structure and function.

Part C1 marksannualThe Cell

2(iv)

Draw a neat labelled diagram of anaphase of mitosis.

Part B3 marksannualCell Cycle

2(vii)

How does meiosis contribute in maintaining the number of chromosomes?

Part B3 marksannualCell Cycle

2(vii)

How does meiosis contribute to genetic variations?

Part B3 marksannualCell Cycle

Q.3

What is interphase of cell cycle? Explain its phases. Also draw diagram.

Part C1 marksannualCell Cycle

Q.6

Draw labeled phases of karyokinesis of mitosis.

Part C1 marksannualCell Cycle

Q.6

Draw cell cycle and explain its three major stages.

Part C2 marksannualCell Cycle

2(iv)

Briefly explain types of mesophyll and their functions.

Part B3 marksannualTissues, Organs And Organ Systems

5

If tissue is not formed at a certain level of organization, which next level will not form?

MCQannualTissues, Organs And Organ Systems

Q.4

Draw a cross-sectional view of leaf and highlight functions of epidermal, mesophyll and vascular tissues.

Part C2 marksannualTissues, Organs And Organ Systems

Q.4

Draw a cross-sectional view of human stomach and highlight functions of epithelial, connective and nervous tissues of stomach.

Part C2 marksannualTissues, Organs And Organ Systems

2(viii)

Briefly explain types of RNA.

Part B3 marksannualMolecular Biology

7

During translation sequence of amino acids in the protein molecule is decided on the basis of sequence of nucleotides in:

MCQannualMolecular Biology

Q.6

Explain double helix structure of DNA proposed by Watson and Crick.

Part C5 marksannualMolecular Biology

2(iii)

Explain briefly intracellular and extracellular enzymes. Give one example of each.

Part B3 marksannualMetabolism

2(iv)

Differentiate between activator and co-enzyme with examples.

Part B3 marksannualMetabolism

2(iv)

What is meant by metabolism? Differentiate between catabolism and anabolism by examples.

Part B1 marksannualMetabolism

2(ix)

Why is ATP considered as energy currency of cell?

Part B3 marksannualMetabolism

2(ix)

Why is fermentation crucial process for living organisms?

Part B3 marksannualMetabolism

2(v)

Identify the step of aerobic respiration that occurs in cytoplasm and illustrate its product in the form of equation.

Part B3 marksannualMetabolism

2(viii)

Give comparison of aerobic and anaerobic respiration in tabular form. (Any three points)

Part B3 marksannualMetabolism

2(viii)

How does temperature affect enzyme activity? Support your answer with a graph.

Part B3 marksannualMetabolism

2(xi)

Briefly explain non-competitive inhibition of enzyme.

Part B3 marksannualMetabolism

2(xi)

Briefly explain competitive inhibition of enzyme.

Part B3 marksannualMetabolism

8

NADH releases ______ when it passes through electron transport chain.

MCQannualMetabolism

8

FADH2 releases ______ when it passes through electron transport chain.

MCQannualMetabolism

9

Light dependent reactions of photosynthesis occur in which part of cell?

MCQannualMetabolism

9

Which step of aerobic respiration uses oxygen as final acceptor to produce water?

MCQannualMetabolism

11

Which of the following is NOT a raw material for photosynthesis?

MCQannualMetabolism

Q.4

What is aerobic respiration? Explain its four steps.

Part C1 marksannualMetabolism

2(ix)

How are transpiration and leaf surface area related?

Part B3 marksannualPlant Physiology

2(ix)

Illustrate the importance of magnesium in chlorophyll formation.

Part B3 marksannualPlant Physiology

2(ix)

Briefly explain the process of transpiration. What is the role of surface area and stomata in it?

Part B3 marksannualPlant Physiology

2(vii)

Briefly explain three types of transpiration in plants.

Part B1 marksannualPlant Physiology

2(viii)

Illustrate the importance of nitrogen in protein synthesis.

Part B3 marksannualPlant Physiology

2(viii)

Why is transpiration called necessary evil for plants?

Part B3 marksannualPlant Physiology

10

Food prepared in leaves is transported by:

MCQannualPlant Physiology

10

Food prepared in leaves is transported by:

MCQannualPlant Physiology

11

The differences shown by the individuals of the same species are called:

MCQannualPlant Physiology

Q.3

Elaborate any five osmotic adjustments in xerophytes.

Part C1 marksannualPlant Physiology

Q.5

Elaborate any five adaptations in plants for excretion.

Part C1 marksannualPlant Physiology

Q.5

Why is chlorophyll and light necessary for the process of photosynthesis? Discuss two factors that can limit the rate of photosynthesis.

Part C3 marksannualPlant Physiology

Q.6

Describe pressure flow mechanism. Also draw diagram.

Part C4 marksannualPlant Physiology

2(ii)

What is meant by double fertilization?

Part B3 marksannualPlant Reproduction

12

The first cell or tiny piece of parent plant used in tissue culture is called:

MCQannualPlant Reproduction

12

Which is NOT an example of bulb?

MCQannualPlant Reproduction

Q.3

Draw a labeled sketch of life cycle of flowering plant and explain the formation of male gametophyte.

Part C3 marksannualPlant Reproduction

Q.5

Draw a labeled sketch of life cycle of flowering plant and explain formation of female gametophyte.

Part C3 marksannualPlant Reproduction

1

Study of fossils is a part of:

MCQannualEvolution

2(iii)

How does comparative anatomy provide an evidence of evolution?

Part B3 marksannualEvolution

2(iii)

How does paleontology provide an evidence of evolution?

Part B3 marksannualEvolution

2(iv)

Enlist any three sources of variations that lead to evolution.

Part B3 marksannualEvolution

2(iv)

State any three points of theory of evolution proposed by Darwin.

Part B1 marksannualEvolution

6

Which one cannot be the part of pyrimidine?

MCQannualEvolution

11

The evolutionary process by which new biological species arise is called:

MCQannualEvolution