Which of the following conditions will stimulate the parathyroid gland to release parathyroid hormone?
1. Fall in active Vitamin D levels
2. Fall in blood Ca2+ levels
3. Fall in bone Ca2+ levels
4. Rise in blood Ca2+ levels
Which of the following is a correct statement?
| 1. | IUDs once inserted need not be replaced. |
| 2. | IUDs are generally inserted by the user herself. |
| 3. | IUDs increase phagocytosis of sperms in the uterus. |
| 4. | IUDs suppress gametogenesis. |
Which of the following sexually transmitted diseases do not specifically affect reproductive organs?
| 1. | Genital warts and Hepatitis-B |
| 2. | Syphilis and Genital herpes |
| 3. | AIDS and Hepatitis B |
| 4. | Chlamydiosis and AIDS |
Match the following genera with their respective phylum:
| Column-I | Column-II | ||
| (a) | Ophiura | (i) | Mollusca |
| (b) | Physalia | (ii) | Platyhelminthes |
| (c) | Pinctada | (iii) | Echinodermata |
| (d) | Planaria | (iv) | Coelenterata |
| Options: | (a) | (b) | (c) | (d) |
| 1. | iv | i | iii | ii |
| 2. | iii | iv | i | ii |
| 3. | i | iii | iv | ii |
| 4. | iii | iv | ii | i |
Which of the following animals are true coelomates with bilateral symmetry?
| 1. | Adult Echinoderms | 2. | Aschelminthes |
| 3. | Platyhelminthes | 4. | Annelids |
The contrasting characteristics generally in a pair used for identification of animals in Taxonomic Key are referred to as:
1. Lead
2. Couplet
3. Doublet
4. Alternate
Match the following cell structure with its characteristic feature:
| Column-I | Column-II | ||
| (a) | Tight junctions | (i) | Cement neighboring cells together to form a sheet |
| (b) | Adhering junctions | (ii) | Transmit information through chemicals to another cell |
| (c) | Gap junctions | (iii) | Establish a barrier to prevent leakage of fluid across epithelial cells |
| (d) | Synaptic junctions | (iv) | Cytoplasmic channels to facilitate communication between adjacent cells |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (iv) | (ii) | (i) | (iii) |
| 3. | (iii) | (i) | (iv) | (ii) |
| 4. | (iv) | (iii) | (i) | (ii) |
Which of the following statements is INCORRECT?
| 1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
| 2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
| 3. | A pair of spermatheca is present in the 6th segment of female cockroach |
| 4. | Female cockroach possesses sixteen ovarioles in the ovaries |
Select the correct statement:
| 1. | Expiration occurs due to external intercostal muscles. |
| 2. | Intrapulmonary pressure is lower than atmospheric pressure during inspiration. |
| 3. | Inspiration occurs when atmospheric pressure is less than intrapulmonary pressure. |
| 4. | Expiration is initiated due to the contraction of the diaphragm. |
The maximum volume of air a person can breathe in after a forced expiration is known as:
1. Expiratory Capacity
2. Vital Capacity
3. Inspiratory Capacity
4. Total Lung Capacity