9th Class Biology 2nd Quarter Book Paper

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

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

   1.  Epithelial tissue 

   2. Connective tissue 

   3.  Muscular tissue 

   4. Glandular tissue 

2.  What is sucrose composed of?

   1.  Two glucose molecules

   2.  Two fructose molecules

   3. Glucose and fructose molecules

   4. Galactose and lactose molecules

3.  The number of chromosomes is maintained by:

   1. Mitosis 

   2. Meiosis 

   3. Budding 

   4. Fragmentation 

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

   1. Glucagon 

   2. Insulin 

   3. Oxytocin 

   4. Thyroxin 

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

   1. 18

   2. 15

   3. 50

   4. 10

6.  During G1 phase cell involves in:

   1. Replication of DNA 

   2.  Duplication of chromosomes 

   3.  Making proteins 

   4. Repairing 

7.  The smallest unit with characteristics of life is:

   1. Organelle 

   2. Cell

   3. Tissue 

   4. Organ

8. What are proteins defined as?

   1. Polymers of carbohydrates

   2. Polymers of amino acids

   3. Polymers of lipids

   4. Polymers of nucleic acids

9. The series of events that take place in a eukaryotic cell from its formation to it's division into two daughter cells:

   1. Nitrogen cycle

   2. Biochemical cycle

   3. Cell cycle

   4. Carbon cycle

10.  What system regulates heart rate?

    1. Nervous system

    2.  Circulatory system

    3.  Respiratory system

    4. Digestive system

11. %age of lipids in dry mass of protoplasm:

    1. 10

    2. 15

    3. 50

    4. 18

12. The chromosomes attach with spindle fibers arranged themselves along the equator of the cell during which phase of cell cycle:

    1. Prophase

    2. Metaphase

    3. Anaphase

    4. Telophase