Bio Multiple Choice Questions from Past papers

1. What are the bones & cartilage called that consist of living cells embedded in the matrix of protein?
A. Insulin
B. Fibrinogen
C. Collagen
D. Keratin

2. Fatty acids containing 18 C atoms is:
A. Oleic acid
B. Palmitic acid
C. Saturated fatty acid
D. unsaturated fatty acid

3. Buoyancy in water is maintained by a specialized structure known as:
A. Tail
B. Fins
C. Swim bladder
D. Both A & B

4. Which fatty acid has the higher melting point?
A. Palmitic acid
B. Acetic acid
C. Butyric acid
D. None of these

5. Catilage covers support the flexible portion of:
A. External ears
B. Nose
C. Both A & B
D. None of these

6. Which is the correct statement for fats that contain unsaturated fatty acid?
A. They are lighter than water
B. Their specific gravity is less than 1
C. They contain a double bond
D. All of these

7. What is the condition called in which palatine processes of palatine & maxilla fail to fuse?
A. Cretinism
B. Myxedema
C. Cleft palate
D. Microcephally

8. Animals get mostly carbohydrates from:
A. Sucrose
B. Glycogen
C. Glucose
D. Starch

9. Collenchyma cells oftenly lack:
A. Cell membrane
B. Chlorophyll
C. Primary walls
D. Secondary walls

10. What is the peptide bond?
A. N-H link
B. C-H link
C. C-N link
D. C-O link

11. Compact bone provides an attachment site for:
A. Ligament
B. Muscle
C. Skin
D. Nerve

12. Chemical components more in a eukaryotic cell as compared to a prokaryotic cell is/are:
A. Proteins
B. Lipids
C. Carbohydrates
D. All of these