| A: | Thyrocalcitonin (TCT) regulates the blood calcium level |
| B: | In males, FSH and androgens regulate spermatogenesis |
| C: | Hyperthyroidism can lead to goitre |
| D: | Glucocorticoids are secreted in Adrenal Medulla |
| E: | Parathyroid hormone is regulated by circulated levels of sodium ions |
| 1. | (C) and (E) only | 2. | (A) and (B) only |
| 3. | (B) and (C) only | 4. | (A) and (D) only |
| (A) | Diffusion of gases (O2 and CO2) across alveolar membrane |
| (B) | Diffusion of O2 and CO2 between blood and tissues |
| (C) | Transport of gases by the blood |
| (D) | Pulmonary ventilation by which atmospheric air is drawn in and CO2 rich alveolar air is released out |
| (E) | Utilisation of O2 by the cells for catabolic reactions and resultant release of CO2 |
| 1. | (D), (A), (C), (B), (E) | 2. | (C), (B), (A), (E), (D) |
| 3. | (B), (C), (E), (D), (A) | 4. | (A), (C), (B), (E), (D) |
| List-I | List-II | ||
| (A) | Contractile vacuole | (I) | Asterias |
| (B) | Water vascular system | (II) | Amoeba |
| (C) | Canal system | (III) | Spongilla |
| (D) | Flame cells | (IV) | Taenia |
| Options: | (A) | (B) | (C) | (D) |
| 1. | (IV) | (II) | (I) | (III) |
| 2. | (I) | (III) | (II) | (IV) |
| 3. | (III) | (II) | (I) | (IV) |
| 4. | (II) | (I) | (III) | (IV) |
| List-I | List-II | ||
| (A) | Palm bones | (I) | Phalanges |
| (B) | Wrist bones | (II) | Metacarpals |
| (C) | Ankle bones | (III) | Carpals |
| (D) | Digit bones | (IV) | Tarsals |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | III | I | IV |
| 2. | IV | I | II | III |
| 3. | III | IV | I | II |
| 4. | II | III | IV | I |
| List-I | List-II | ||
| (A) | Non-medicated IUDs | (I) | Multiload 375 |
| (B) | Copper releasing IUDs | (II) | Rubber barrier |
| (C) | Hormone releasing IUDs | (III) | Lippes loop |
| (D) | Vaults | (IV) | LNG-20 |
| Options: | (A) | (B) | (C) | (D) |
| 1. | (IV) | (III) | (I) | (II) |
| 2. | (II) | (IV) | (III) | (I) |
| 3. | (III) | (I) | (IV) | (II) |
| 4. | (III) | (IV) | (II) | (I) |
| A: | There is a change in the gene for beta-globin |
| B: | In beta-globin, there is a valine in place of Lysine |
| C: | It is an example of point mutation |
| D: | In the normal gene, U is replaced by A |
| 1. | (B), (C) and (D) only | 2. | (B) and (D) only |
| 3. | (A), (B) and (D) only | 4. | (A) and (C) only |
| 1. | Weak acid and it's salt with a strong base. |
| 2. | Equal volumes of equimolar solutions of weak acid and weak base. |
| 3. | Strong acid and its salt with a strong base. |
| 4. | Strong acid and its salt with a weak base. (The pKa of acid = pKb of the base) |
| I: | Intra Cytoplasmic sperm injection (ICSI) is another specialized procedure of in-vivo fertilization. |
| II: | Infertility cases due to the inability of the male partner to inseminate the female can be corrected by artificial insemination (AI) |