Smooth muscles are:
| 1. | involuntary, fusiform, non-striated |
| 2. | voluntary, multinucleate, cylindrical |
| 3. | involuntary, cylindrical, striated |
| 4. | voluntary, spindle-shaped, uninucleate |
Oxidative phosphorylation is
| 1. | formation of ATP by transfer of phosphate group from a substrate to ADP |
| 2. | oxidation of phosphate group in ATP |
| 3. | addition of phosphate group to ATP |
| 4. | formation of ATP by energy released from electrons removed during substrate oxidation |
Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
| 1. | Hydrogen bonds | 2. | Electrostatic interaction |
| 3. | Hydrophobic interaction | 4. | Ester bonds |
| 1. | Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme |
| 2. | Exothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme |
| 3. | Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme |
| 4. | Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme |
| 1. | G1/S | 2. | G2 /M |
| 3. | M | 4. | Both G2/M and M |
| Column I | Column II | ||
| (a) | pachytene | (1) | pairing of homologous chromosomes |
| (b) | metaphase I | (2) | terminalisation of chiasmata |
| (c) | diakinesis | (3) | crossing-over takes place |
| (d) | zygotene | (4) | chromosomes align at equatorial plate |
| 1. | a-3 b-4 c-2 d-1 |
| 2. | a-1 b-4 c-2 d-3 |
| 3. | a-2 b-4 c-3 d-1 |
| 4. | a-4 b-3 c-2 d-1 |
Which hormone stimulate the production of pancreatic juice and bicarbonate?
1. Angiotensin and epinephrine
2. Gastrin and insulin
3. Cholecystokinin and secretin
4. lnsulin and glucagon
The partial pressure of oxygen in the alveoli of the lungs is:
1. equal to that in the blood
2. more than that in the blood
3. less than that in the blood
4. less than that of carbon dioxide
Choose the correct statement:
| 1. | Nociceptors respond to changes in pressure |
| 2. | Meissner's corpuscles are thermoreceptors |
| 3. | Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus |
| 4. | Receptors do not produce graded potentials |
Graves' disease is caused due to:
1. hyposecretion of thyroid gland
2. hypersecretion of thyroid gland
3. hyposecretion of adrenal gland
4. hypersecretion of adrenal gland
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