Following are the statements with reference to 'lipids'.
| (a) | Lipids having only single bonds are called unsaturated fatty acids. |
| (b) | Lecithin is a phospholipid. |
| (c) | Trihydroxy propane is glycerol. |
| (d) | Palmitic acid has 20 carbon atoms including carboxyl carbon. |
| (e) | Arachidonic acid has 16 carbon atoms. |
Choose the correct statements from the options given below.
1. (b) and (c) only
2. (b) and (e) only
3. (a) and (b) only
4. (c) and (d) only
Following are the statements about prostomium of earthworm.
(a) It serves as a covering for mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below.
1. (a), (b), (c) and (d) are correct
2. (b) and (c) are correct
3. (a), (b) and (c) are correct
4. (a), (b) and (d) are correct
Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?
1. Cow is fertilized by artificial insemination
2. Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage
3. Cow is administered hormone having LH like activity for super ovulation
4. Cow yields about 6-8 eggs at a time
Match List-I with List-II
| List-I | List-II |
| (a) Allen's Rule | (i) Kangaroo rat |
| (b) Physiological adaptation | (ii) Desert lizard |
| (c) Behavioural adaptation | (iii) Marine fish at depth |
| (d) Biochemical adaptation | (iv) Polar seal |
Choose the correct answer from the options given below.
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (i) | (ii) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (iv) | (i) | (iii) | (ii) |
Match List-I with List-II :
| List-I | List-II |
| (a) Scapula | (i) Cartilaginous joints |
| (b) Cranium | (ii) Flat bone |
| (c) Sternum | (iii) Fibrous joints |
| (d) Vertebral column | (iv) Triangular flat bone |
Choose the correct answer from the options given below.
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (iii) | (i) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (i) | (iii) | (ii) | (iv) |
| 4. | (ii) | (iii) | (iv) | (i) |
| Assertion (A): | A person goes to a high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations. |
| Reason (R): | Due to low atmospheric pressure at high altitudes, the body does not get sufficient oxygen. |
In light of the above statements, choose the correct answer from the options given below.
| 1. | (A) is true but (R) is false. |
| 2. | (A) is false but (R) is true. |
| 3. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
Match List-I with List-II
| List-I | List-II |
| (a) Filariasis | (i) Haemophilus influenzae |
| (b) Amoebiasis | (ii) Trichophyton |
| (c) Pneumonia | (iii) Wuchereria bancrofti |
| (d) Ringworm | (iv) Entamoeba histolytica |
Choose the correct answer from the options given below.
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (ii) | (iv) | (iii) |
| 2. | (ii) | (iii) | (i) | (iv) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iii) | (iv) | (i) | (ii) |
Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
1. Adhering junctions and tight junctions, respectively.
2. Adhering junctions and gap junctions, respectively.
3. Gap junctions and adhering junctions, respectively.
4. Tight junctions and gap junctions, respectively.
During muscular contraction, which of the following events occur?
(a) 'H' zone disappears
(b) 'A' band widens
(c) 'I' band reduces in width
(d) Myosin hydrolyzes ATP, releasing the ADP and Pi
(e) Z-lines attached to actins are pulled inwards
Choose the correct answer from the options given below.
1. (b), (c), (d), (e) only
2. (b), (d), (e), (a) only
3. (a), (c), (d), (e) only
4. (a), (b), (c), (d) only
Match List-I with List-II:
| List-I | List-II |
| (a) Adaptive radiation | (i) Selection of resistant varieties due to excessive use of herbicides and pesticides |
| (b) Convergent evolution | (ii) Bones of forelimbs in Man and Whale |
| (c) Divergent evolution | (iii) Wings of Butterfly and Bird |
| (d) Evolution by anthropogenic action | (iv) Darwin Finches |
Choose the correct answer from the options given below.
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (i) | (iv) | (iii) | (ii) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iii) | (ii) | (i) | (iv) |
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