9th Class Biology Guess Papers 2024 Punjab Board

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The following are very important questions of 9th Class Biology which you can prepare and get 100% marks. Biology is a subject that can get marks, so it,s best to start preparing for your exam.

9th Class Biology Guess Papers 2024

A lot of students practice biology guess paper 2024 class 9 from ilmWap and get good grades on the exam. But The students can get ideas for the biology board exam through these important guess papers. You can download the 9th class biology guess paper in pdf for getting good marks in the biology exam. You can also check Class 9 Biology Smart Syllabus and Biology Notes Class 9th.

UNIT NO. 1.

INTRODUCTION TO BIOLOGY.

MULTIPLE CHOICE:

1. The scientific study of animals is called.

1. Physics
2. Chemistry
3. Biology
4. Farming
5. The study of insects is called.
   1. Taxonomy

2. Entomology
3. Biotechnology
4. Pharmacology
5. The study of Fossils is called.
   1. Immunology

3. Pharmacology
4. Paleontology
5. Parasitology
6. Jabir Bin Hayan was born in.
   1. Iraq

4. Iran
5. Pakistan
6. England
7. The founder of Medicine is.
   1. Jabir bin Hyan

5. Alrazi
6. Bu Ali Sina
7. Aristotle
8. The author of Al-Qanoon fit –tib is.
   1. Ali Ibn e isa

6. Jabir bin Hayan
7. Bu Ali Sina
8. Abdul Malik Asma
9. The first Muslim Scientist who detailed studied animals was.
   1. Jibir Bin Hyaan

7. Abdul Malim Asmai
8. Bu Ali Sina
9. Al –Razi
10. The number of elements in nature is.
    1. 13

8. 14
9. 15
10. 16
11. Bio elements are.
    1. Aluminium

9. Cobalt
10. Bromine
11. Carbon
12. An example of a macromolecule is.
    1. Water

10. Glucose
11. Protein/Starch
12. Sodium Chloride
13. Which of these bio elements is in the highest percentage in protoplasm?

11. Carbon
12. Hydrogen
13. Oxygen
14. Nitrogen
15. Which of the tissues make the glandular tissue in animals.
    1. Epithelial

12. Connective
13. Muscular
14. So Nervous
15. The level of organization that is less definite in Plants is.
    1. Organism Level

13. Organ system level
14. Organ level
15. Tissue level
16. That is true about Volvox?
    1. Unicellular prokaryotes

14. Unicellular eukaryotes
15. Colonial eukaryotes
16. Multicellular eukaryotes

SHORT QUESTIONS:

• What is immunology
• What are parasites?
• Write achievements of Bu Ali Sina in Biology.
• What are parasites?
• Why is Jabir bin Hayan Famous?
• What is meant by Bio elements?
• Define physiology and anatomy.
• But Write the famous writing of Abdul Malik Asmai
• So Differentiate between Population and community.
• What is the Bios sphere level?
• Define Tissue and Organ also give examples.
• What is species? Write an examples
• Write four names of unicellular organisms.

Long Questions

• Explain any Five Carriers of Biology
• Write a comprehensive note on Farming and Forestry.
• How Biology is related to other sciences? Describe any four

UNIT NO.2

SOLVING A BIOLOGICAL PROBLEM.

MULTIPLE CHOICE:

1. The first step in solving a biological problem is.

1. Hypothesis
2. Observations
3. Deductions
4. Experimentation
5. A tentative explanation of observation is called.
   1. Hypothesis

2. Experiment
3. Deduction
4. Problem
5. Logical results of hypothesis are called.
   1. Problem

3. Experiment
4. Deduction
5. Law
6. Scientific law and principle are unelectable.
   1. Law

4. Theories
5. Results
6. None of these
7. Malaria is spread in sparrows by mosquitoes.

5. Culex mosquito
6. Anopheles mosquito
7. Marshy areas
8. Viruses
9. The Italian word “Mala” means.
   1. Bad

6. Air
7. Good
8. Water

SHORT QUESTIONS:

• Define Scientific Method.
• Write down the names of steps included in the Biological method.
• What is the role of the Hypothesis?
• Write the characteristics of a Hypothesis.
• Explain deduction.
• Define theory.
• Man has been a biologist for science long. Explain
• What is meant by biological problem?
• Write two Characteristics of good hypothesis.
• What is meant by Data organization?
• Define Ratio and Proportion.
• Write down the important observation of A.F.A. King.

UNIT NO. 3

BIODIVERSITY.

MULTIPLE CHOICE.

1. The basic unit of classification is.

1. Class
2. Species
3. Genes
4. Family
5. To which kingdom viruses belong?
   1. Monera

2. Protista
3. Fungi
4. None
5. A related group of genera comprises.
   1. Order

3. Family
4. Class
5. Phylum
6. The Biggest taxone is.
   1. Class

4. Phylum
5. Kingdom
6. Family
7. Five kingdom system introduce by.
   1. Marqulis and Schwarts

5. Robert Whittaker
6. Ernest Hackel
7. Tonifort
8. Scientific name of Onion is.
   1. Allum Cepa

6. Asterias rubens
7. Zea mays
8. Felis domsticus

SHORT QUESTIONS:

• Describe aims of classification.
• What is meant by Taxonomic Hierarchy?
• Define Kingdom Monera and give example
• Write three characteristics of Kingdom Monera
• What is the basic unit of classification? Define it
• Define Species
• Give reason why viruses not included in five kingdom
• How fungi differ from other plants? Write two points.
• Name are Extinct Species? Give two examples.
• Discuss Viruses are livings or non-livings.
• What is difference between taxonomy and systematics?
• Describe two causes of Deforestation.

LONG QUESTIONS:

• Describe the significance of Binomial nomenclature with example.
• What is meant by Taxonomy? Write Taxonomic Hierarchy in order.

UNIT NO. 4

CELLS AND TISSUES.

MULTIPLE CHOICE:

1. Human body is made of about………………… type of cells.

1. 200
2. 300
3. 400
4. 500
5. In plant major component of cell wall is.
   1. Lignin

2. Cellulose
3. Chitin
4. Peptidoglycan
5. Cell wall of fungi has.

3. Protein
4. Chitin
5. Cellulose
6. Fats
7. Cell wall of prokaryotes composed of chemical.
   1. Plasmodesmeta

4. Peptidoglycan
5. Chromatin
6. Stroma
7. Which organism has no cell wall?
   1. Plants

5. Bacteria
6. Animals
7. Fungi
8. Sites where proteins are synthesized.

6. Mitochondria
7. Nucleus
8. Plastids
9. Ribosomes
10. Ribosome are sites of synthesizing.
    1. Protein

7. RNA
8. DNA
9. Carbohydrates
10. The sites of Aerobic Respiration is cell are.
    1. Golgi bodies

8. Mitochondria
9. Ribosomes
10. Nucleus.
11. Which of organelles have own DNA?
    1. Chloroplast

9. Ribosomes
10. Mitochondria
11. All of these
12. What is the function of chloroplast?
    1. Production of ATP

10. Production of Proteins
11. Photosynthesis
12. Production of ADP
13. Ribosomes are constructed.
    1. Endoplasmic Reticulum

11. Nucleoid
12. Nucleolus
13. Nucleosomes
14. The function of Mitochondria.

12. Lipid storage
13. Protein synthesis
14. Photosynthesis
15. Cellular Respiration
16. Cell membrane is mainly composed of.
    1. Lignin

13. Proteins and Lipids
14. Cholesterol
15. Peptidoglycan
16. Microtubules are made up of a protein.
    1. Tubulin

14. Actin
15. Lipids
16. Carbohydrate

SHORT QUESTIONS:

• State the cell theory.
• What is meant by Hypertonic and Hypotonic solutions?
• What is Endocytosis? Give types. What is Cytoskeleton?
• Draw the diagram of mitochondria and write the name of its two parts.
• What are sclerenchyma tissues?
• Describe two functions of cytoplasm.
• Describe two functions of cell membrane.
• Write two functions of lysosomes.
• What is the function of Mitochondria?
• Write the functions of smooth endoplasmic reticulum.
• What is exocytosis?
• What is lysosomes?
• Write two functions of centrosomes.
• Define Facillated diffusion.
• Write difference between prokaryotes and Eukaryotes.
• Define Diffusion.
• What is meant by Osmosis? Also define active transport
• What is Exocytosis.
• What is the difference between Diffusion and Osmosis?

LONG QUESTIONS:

• Difference between Prokaryotic and Eukaryotic cells.
•  Define compound tissues and explain compound tissues found in vascular platns.
• Describe function of Cell membrane and explain fluid mosaic model
• Explain the structure and functions of Xylum and Phloem.
• Describe the structure of cell wall.

UNIT NO. 5

CELL CYCLE.

MULTIPLE CHOICE:

1. In which stage of cell cycle most cell spend their lives.

1. Prophase
2. Metaphase
3. Telophase
4. Interphase
5. The phase in which cell prepare it self for division is called.
   1. Inter phase

2. Prophase
3. Metaphase
4. Anaphase
5. The phase in which s-phase cell duplicates its co-phase chromosomes.

3. 1 Phase
4. S phase
5. G2 Phase
6. G0 Phase
7. Sea star gains its lost arm by.
   1. Budding

4. Meosis
5. Mitosis
6. Fragmentation

SHORT QUESTIONS:

• Difference between chromatin and chromosome.
• Difference between S-Phase and G2 phase.
• Define cytokinesis
• What basic difference in cell division of plants and animals.
• Define Meiosis.
• Which biologist discover meiosis.
• Explain S-Phase in cell cycle. Define alternation of generations.
•  
• What is meant by G-1 Phase?
• How cytokinesis occur in animal cells.
• What is phragmoplast? How it forms?
• Define alternation of generation.
• Describe G0 Phase.
• When and who discovered the process of Mitosis.
• What is meant by Metastasis?
• Differentiate between somatic and germs cells.
• Define synapsis.
• Define Meiosis. Which biological discover Meiosis.
• Write difference between mitosis and meiosis.
• Define Crossing over.

LONG QUESTIONS:

• What is cell cycle? Explain G1 phase, s-Phase and G0 phase.
• Compare mitosis and Meiosis.
• Write down the significance of Meiosis
• What is the significance of Mitosis?

UNIT NO.6

ENZYMES.

MULTIPLE CHOICE:

1. Who first uses the term Enzymes?

1. Zacharias Johnson
2. Robert Brown
3. Winholm Kuhne
4. Louis Pasture
5. Which scientist gave the concept of Metabolism first .
   1. Ibn –e- Nafees

2. Jabir
3. Newton
4. Willim
5. The molecule at which enzyme act is called.
   1. Active sige

3. Cofactor
4. Prosthetic group
5. Substrate
6. To which group of molecules enzymes belongs?

4. Carbohydrates
5. Proteins
6. Lipids
7. Nucleic acid.
8. Almost all enzyme are.
   1. Carbohydrates

5. Proteins
6. Fats
7. None of these
8. In 1894 “Lock and Key Model proposed by”
   1. Aristotle

6. Robert Hooke
7. Emil Fisher
8. Lois pasture
9. In which medium enzyme trypsin works?
   1. Alkaline

7. Acidic
8. Neutral
9. Slight basic
10. Amylase enzyme act on.

8. Carbohydrate
9. Proteins
10. Lipids
11. Starch

SHORT QUESTIONS:

• Difference between Extra cellular and Intracellular enzymes.
• What factor affect the rate of enzyme reaction? Write name.
• Write two benefits of active site.
• Who give the concept of Metabolism? Also define metabolism.
• What is metabolic pathways
• What is optimum temperature for the working of an enzyme? Give an example.
• Who put forward the Lock and Key Model? Write definition.
• What is substrate concentration?
• Define optimum temperature. What is optimum temperature of Human enzyme?
• Define induced fit model. Who suggested this model?
• Define Co factor and Co-Enzyme.
• What is the difference between prosthetic group and co –enzyme?
• Define activation Energy.

LONG QUESTIONS:

• What are enzymes? Describe 5 Characteristic of enzyme.
• The Lock and Key model of enzyme action.
• Describe two models for enzyme action mechanism

UNIT NO.7

BIOENERGETICS.

MULTIPLE CHOICE:

1. One molecule of ATP release energy.

1. 7.3 Kcal
2. 7.4 Kcal
3. 7.6 Kcal
4. 7.5 Kcal
5. Each ATP Molecule has the number of sub units.
   1. 1

2. 2
3. 3
4. 4
5. The loss of electron from atom is called.
   1. Reduction

3. Oxidation
4. Anabolism
5. Catabolism
6. Main photosynthetic pigment is.
   1. Chlrophyll ‘b’

4. Chlorophyll ‘a’
5. Carotenoids
6. Xanthophylts
7. The whole series of light reactions is called.
   1. S-Scheme

5. Z-Scheme
6. L- Scheme
7. None of these
8. How much ATP molecules are formed during cellular respiration?
   1. 40

6. 38
7. 63
8. 36

SHORT QUESTIONS:

• Define oxidation and reduction.
• Define Aerobic Respiration and write its equation.
• Difference between Light and dark reaction.
• Define Light reaction
• What is difference between aerobic and anaerobic respiration.
• What are anaerobes? Write two examples.
• Difference between photosynthesis and respiration.
• Write down the three subunits of ATP.
• Draw a simple equation for photosynthesis.
• Define glycolysis.
• Draw a simple equation for photosynthesis.
• Write down the three subunits of ATP.
• What is Photosynthesis? Write its equation.

LONG QUESTIONS:

• What do you mean by photosynthesis? Describe difference between photosynthesis and respiration.
• Describe the mechanism of respiration.
• Explain the summary of light reaction and draw a diagram of Z-Scheme.

UNIT NO. 8

NUTRITION.

MULTIPLE CHOICE:

1. Which mineral is essential for development and maintenance of bone and teeth?

1. Potassium
2. Sodium
3. Iodine
4. Calcium
5. Disease cause by the deficiency of vitamin C is.
   1. Scurvy

2. Rickets
3. Goiter
4. Malaria
5. Which disease cause by the deficiency of vitamin A.
   1. 04

3. 09
4. 06
5. 07
6. The process of taking food in the body is called.
   1. Digestion

4. Ingestion
5. Absorption
6. Assimilation
7. Elimination of undigested food from the body is called.
   1. Ingestion

5. Absorption
6. Digestion
7. None of these
8. The disease caused by deficiency of protein is.
   1. Colour blindness

6. Marasmus
7. Osteoarthritus
8. Goiter
9. The process of breaking down of large droplets of fat into small droplets called.
   1. Digestion

7. Peristalsis
8. Emulsification
9. Absorption

SHORT QUESTIONS:

• Define Nutrition.
• What is the role of magnesium is plants.
• Difference between Macronutrients and Micronutrients.
• How does iodine function in our body?
• What is Chyme?
• What are Lipids? Also describe types of fatty acids.
• What is night blindness?
• Describe two function of HCl.
• What do you mean by Vitamin? Write the name of its types.
• What is protein and from where we get it?
• Define Villi.
• What are water soluble vitamins? Give two examples.
• What is gastric juice? Name the enzyme present is Gastric juice.
• What is the effect of HCl on pepsin?
• Write the role of potassium and calcium is human body.
• What is Appendix?

LONG QUESTIONS:

• Importance of Fertilizers.
• Write a note on Lipids
• Write a note on Water and Dietary fibre in diet.

UNIT NO. 9

TRANSPORT.

MULTIPLE CHOICE:

1. Which cells of blood responsible for clotting.

1. Platelets
2. Erythrocytes
3. Neutro phils
4. Basophils
5. Which protein is responsible for clotting?
   1. Albumin

2. Fibronogen
3. Globulin
4. Hemoglobin
5. The most plants food is transported I the form of.
   1. Proteins

3. Starch
4. Sucrose
5. Glucose
6. In a tissue capillaries join to form small veins.
   1. Lumen

4. Venules
5. Capillaries
6. Artereies
7. Which blood group contains antigen A.
   1. A

5. AB
6. B
7. O
8. An artery that supplies blood to liver.
   1. Renal artery

6. Femoral artery
7. Hepatic artery
8. Coronary artery

SHORT QUESTIONS:

• Write function of roots hairs in the roots of plants.
• Write down four factors affecting the rate of transpiration.
• How is plasma separated from blood?
• Describe two functions of white blood cells in human body.
• What the effect of Air humidity on the rate of transpiration.
• What is meant by sink?
• Define pressure flow Mechanism.
• What is meant by transpiration? Describe mode of transpiration.
• How does human heart work as a double pump?
• Write the names of four agents which cause cardio muscular diseases.
• What is Angina Pectoris?
• Differentiate between Biscuspid and Tricuspid valve.
• Differentiate between Cardiac diastole and Ventricular systole.
• You see the pus in the infection of skin. How it formed?
• What is meant by wind? Write its effect on transpiration.
• What do you mean by pus? How is it formed?
• How does dengue spread?
• Write the names of different chambers of human heart.
• What is systemic circulation?
• What is blood? Write the name of its parts.
• Write the symptoms of Dengue Fever.

LONG QUESTIONS:

• What do you mean by blood groups? How do we classify blood groups in terms of ABO and Rh blood group systems?
• How would you relate the internal structure of root with the uptake of water and ions?
• Explain the significance of transpiration.
• Define transpiration and relate it with cell surface and with stomata opening and closing.
• How uptake of water ions take place in Plants.

9th Class Biology Guess Papers 2024

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