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Punjab (PTB) · Half book test (board pattern) · Free

9th Class Biology First half Book Paper

60 marks · About 2 hours (objective and subjective) · 39 questions. Covers: 6 chapters (CHAP 1: The Science of Biology to CHAP 6: Biomolecules).

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9th Class Biology First half Book Paper

9th Class · Biology · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 60Time: About 2 hours (objective and subjective)

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. The disease which has killed more people than any other disease is:

    1. AIDS 

    2. Hepatitis 

    3. Malaria 

    4. Typhoid

  2. Viruses are assigned to the kingdoms:

    1. Plantae

    2. Protista

    3. Fungi

    4. Not include in any kingdom

  3.  The number of chromosomes is maintained by:

    1. Mitosis 

    2. Meiosis 

    3. Budding 

    4. Fragmentation 

  4. Ribosomes are the sites of:

    1. Lipids synthesis 

    2.  Protein synthesis 

    3. Synthesis of sugars

    4.  Synthesis of nucleic acid 

  5.  Which of the following tissue of stomach provide structural support:

    1.  Epithelial tissue 

    2. Connective tissue 

    3.  Muscular tissue 

    4. Glandular tissue 

  6.  What is sucrose composed of?

    1.  Two glucose molecules

    2.  Two fructose molecules

    3. Glucose and fructose molecules

    4. Galactose and lactose molecules

  7. The scientific method in biology starts with:

    1. Hypothesis

    2. Recognition of a problem

    3. Analysis of results

    4. Deduction

  8. Which domain include Prokaryotic organism that are thermophilic and halophilic?

    1. Bacteria

    2. Archaea

    3. Eukarya

    4. Protista

  9.  During G1 phase cell involves in:

    1. Replication of DNA 

    2.  Duplication of chromosomes 

    3.  Making proteins 

    4. Repairing 

  10.  According to fluid mosaic model lipids make a fluid like bilayer in which molecules are submerged:

    1. Carbohydrates 

    2.  Nucleic acid 

    3. Protein

    4. Water

  11. When blood glucose level increases, which hormone is released to maintain the blood glucose level:

    1. Glucagon 

    2. Insulin 

    3. Oxytocin 

    4. Thyroxin 

  12. %age of the protein in dry mass of protoplasm:

    1. 18

    2. 15

    3. 50

    4. 10

Q2. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1.  What are the three types of protists?

  2. How Plasmodium gets into the blood of man"?

  3. Define biodiversity. Also write the bases of measuring diversity.

  4. What is Horticulture?

  5. Why mule is not regarded as a species?

  6. Define the fossil.

  7. Why some taxonomists found the two kingdom classification system unworkable? why?

  8. What is biogeography?

Q3. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. What happens in Prophase-II and Metaphase-II?

  2. Name the organelles that are bounded by membrane.

  3. Can you distinguish between: centromeres and centrioles.

  4. Write importance of Epidermis.

  5. What is the difference between prophase of mitosis and prophase-I of meiosis-I?

  6. Write function of the Cell Wall?

  7. What is primary purpose of mitosis?

  8. Which type of cell is responsible for sending nerve signals?

Q4. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. How many strands does DNA have?

  2. How integumentary system helps to maintain internal body conditions despite the change in external environment?

  3. What are enzymes?

  4. What do you know about stems?

  5. Describe how are lipids source of energy?

  6. What organ is responsible for filtering waste in the human body?

  7. What are the nitrogenous bases in DNA?

  8. Write a note on organ system in plants.

Q5. Long questions (Attempt any 2 of 3 · 2 × 9 = 18)

  1. What is meant lipids? Also explain its structure.

  2. Write similarities between Mitosis and Meiosis.

  3. What is two kingdoms classification system ? Explain.