9th Class Biology Guess Papers 2023 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.

A lot of students practice biology guess paper 2023 class 9 from ilmalim and get good grades in 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.




  1. The scientific study of animals is called.
  1. Physics
  2. Chemistry
  3. Biology
  4. Farming
  5. The study of insect called.
    1. Taxonomy
  1. Entomology
  2. Biotechnology
  3. Pharmacology
  4. The study of Fossils is called.
    1. Immunology
  1. Pharmacology
  2. Paleontology
  3. Parasitology
  4. Jabir Bin Hayan was born in.
    1. Iraq
  1. Iran
  2. Pakistan
  3. England
  4. The founder of Medicine is.
    1. Jabir bin Hyan
  1. Alrazi
  2. Bu Ali Sina
  3. Aristole
  4. The author of Al-Qanoon fit -tib is.
    1. Ali Ibn e isa
  1. Jabir bin Hayan
  2. Bu Ali Sina
  3. Abdul Malik Asma
  4. The first Muslim Scientist who detailed studied animals was.
    1. Jibir Bin Hyaan
  1. Abdul Malim Asmai
  2. Bu Ali Sina
  3. Al -Razi
  4. The number of element in nature is.
    1. 13
  1. 14
  2. 15
  3. 16
  4. Bio elements is.
    1. Aluminium
  1. Cobalt
  2. Bromine
  3. Carbon
  4. Example of macromolecule is.
    1. Water
  1. Glucose
  2. Protein/Starch
  3. Sodium Chloride
  4. Which of these bio elements is in the highest percentage in protoplasm.
  1. Carbon
  2. Hydrogen
  3. Oxygen
  4. Nitrogen
  5. Which of the tissues make the glandular tissue in animals.
    1. Epithellal
  1. Connective
  2. Muscular
  3. So Nervous
  4. Level of organization that is less definite in Plants is.\
    1. Organism Level
  1. Organ system level
  2. Organ level
  3. Tissue level
  4. That is true about volvox?
    1. Unicellular prokaryotes
  1. Unicellular eukaryotes
  2. Colonial eukaryotes
  3. Multicellular eukaryotes


  • 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 Bios sphere level?
  • Define Tissue and Organ also give example.
  • 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




  1. The first steps of solve a biological problem is.
  1. Hypothesis
  2. Observations
  3. Deductions
  4. Experimentation
  5. Tentative explanation of observation called.
    1. Hypothesis
  1. Experiment
  2. Deduction
  3. Problem
  4. Logical results of hypothesis are called.
    1. Problem
  1. Experiment
  2. Deduction
  3. Law
  4. Scientific law and principle is an unelectable.
    1. Law
  1. Theories
  2. Results
  3. None of these
  4. Malaria is spread in sparrows by mosquito.
  1. Culex mosquito
  2. Anopheles mosquito
  3. Marshy areas
  4. Viruses
  5. An Italian word Mala means.
    1. Bad
  1. Air
  2. Good
  3. Water


  • Define Scientific Method.
  • Write down the names of steps includes in Biological method.
  • What is the role of Hypothesis?
  • Write characteristics of a Hypothesis.
  • Explain deduction.
  • Define theory.
  • Man has been a biologist 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.




  1. The basic unit of classification is.
  1. Class
  2. Species
  3. Genes
  4. Family
  5. To which kingdom viruses belong?
    1. Monera
  1. Protista
  2. Fungi
  3. None
  4. A related group of genera comprises.
    1. Order
  1. Family
  2. Class
  3. Phylum
  4. The Biggest taxone is.
    1. Class
  1. Phylum
  2. Kingdom
  3. Family
  4. Five kingdom system introduce by.
    1. Marqulis and Schwarts
  1. Robert Whittaker
  2. Ernest Hackel
  3. Tonifort
  4. Scientific name of Onion is.
    1. Allum Cepa
  1. Asterias rubens
  2. Zea mays
  3. Felis domsticus


  • 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.


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




  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
  1. Cellulose
  2. Chitin
  3. Peptidoglycan
  4. Cell wall of fungi has.
  1. Protein
  2. Chitin
  3. Cellulose
  4. Fats
  5. Cell wall of prokaryotes composed of chemical.
    1. Plasmodesmeta
  1. Peptidoglycan
  2. Chromatin
  3. Stroma
  4. Which organism has no cell wall?
    1. Plants
  1. Bacteria
  2. Animals
  3. Fungi
  4. Sites where proteins are synthesized.
  1. Mitochondria
  2. Nucleus
  3. Plastids
  4. Ribosomes
  5. Ribosome are sites of synthesizing.
    1. Protein
  1. RNA
  2. DNA
  3. Carbohydrates
  4. The sites of Aerobic Respiration is cell are.
    1. Golgi bodies
  1. Mitochondria
  2. Ribosomes
  3. Nucleus.
  4. Which of organelles have own DNA?
    1. Chloroplast
  1. Ribosomes
  2. Mitochondria
  3. All of these
  4. What is the function of chloroplast?
    1. Production of ATP
  1. Production of Proteins
  2. Photosynthesis
  3. Production of ADP
  4. Ribosomes are constructed.
    1. Endoplasmic Reticulum
  1. Nucleoid
  2. Nucleolus
  3. Nucleosomes
  4. The function of Mitochondria.
  1. Lipid storage
  2. Protein synthesis
  3. Photosynthesis
  4. Cellular Respiration
  5. Cell membrane is mainly composed of.
    1. Lignin
  1. Proteins and Lipids
  2. Cholesterol
  3. Peptidoglycan
  4. Microtubules are made up of a protein.
    1. Tubulin
  1. Actin
  2. Lipids
  3. Carbohydrate


  • 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?


  • 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.




  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
  1. Prophase
  2. Metaphase
  3. Anaphase
  4. The phase in which s-phase cell duplicates its co-phase chromosomes.
  1. 1 Phase
  2. S phase
  3. G2 Phase
  4. G0 Phase
  5. Sea star gains its lost arm by.
    1. Budding
  1. Meosis
  2. Mitosis
  3. Fragmentation


  • 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.


  • 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?




  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
  1. Jabir
  2. Newton
  3. Willim
  4. The molecule at which enzyme act is called.
    1. Active sige
  1. Cofactor
  2. Prosthetic group
  3. Substrate
  4. To which group of molecules enzymes belongs?
  1. Carbohydrates
  2. Proteins
  3. Lipids
  4. Nucleic acid.
  5. Almost all enzyme are.
    1. Carbohydrates
  1. Proteins
  2. Fats
  3. None of these
  4. In 1894 Lock and Key Model proposed by
    1. Aristotle
  1. Robert Hooke
  2. Emil Fisher
  3. Lois pasture
  4. In which medium enzyme trypsin works?
    1. Alkaline
  1. Acidic
  2. Neutral
  3. Slight basic
  4. Amylase enzyme act on.
  1. Carbohydrate
  2. Proteins
  3. Lipids
  4. Starch


  • 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.


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




  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
  1. 2
  2. 3
  3. 4
  4. The loss of electron from atom is called.
    1. Reduction
  1. Oxidation
  2. Anabolism
  3. Catabolism
  4. Main photosynthetic pigment is.
    1. Chlrophyll b
  1. Chlorophyll a
  2. Carotenoids
  3. Xanthophylts
  4. The whole series of light reactions is called.
    1. S-Scheme
  1. Z-Scheme
  2. L- Scheme
  3. None of these
  4. How much ATP molecules are formed during cellular respiration?
    1. 40
  1. 38
  2. 63
  3. 36


  • 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.


  • 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.




  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
  1. Rickets
  2. Goiter
  3. Malaria
  4. Which disease cause by the deficiency of vitamin A.
    1. 04
  1. 09
  2. 06
  3. 07
  4. The process of taking food in the body is called.
    1. Digestion
  1. Ingestion
  2. Absorption
  3. Assimilation
  4. Elimination of undigested food from the body is called.
    1. Ingestion
  1. Absorption
  2. Digestion
  3. None of these
  4. The disease caused by deficiency of protein is.
    1. Colour blindness
  1. Marasmus
  2. Osteoarthritus
  3. Goiter
  4. The process of breaking down of large droplets of fat into small droplets called.
    1. Digestion
  1. Peristalsis
  2. Emulsification
  3. Absorption


  • 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?


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




  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
  1. Fibronogen
  2. Globulin
  3. Hemoglobin
  4. The most plants food is transported I the form of.
    1. Proteins
  1. Starch
  2. Sucrose
  3. Glucose
  4. In a tissue capillaries join to form small veins.
    1. Lumen
  1. Venules
  2. Capillaries
  3. Artereies
  4. Which blood group contains antigen A.
    1. A
  1. AB
  2. B
  3. O
  4. An artery that supplies blood to liver.
    1. Renal artery
  1. Femoral artery
  2. Hepatic artery
  3. Coronary artery


  • 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.


  • 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.ilmalim

9th Class Biology Guess Papers 2023

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9th Class Biology guess paper 2023 all Punjab Board

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