Which of the following statements is incorrect?
| 1. | Prions consist of abnormally folded proteins |
| 2. | Viroids lack a protein coat |
| 3. | Viruses are obligate parasites |
| 4. | Infective constituent in viruses is the protein coat |
Match the following structures with their respective location in organs:
|
(a) |
Crypts of Lieberkuhn |
(i) |
Pancreas |
|
(b) |
Glisson’s Capsule |
(ii) |
Duodenum |
|
(c) |
Islets of Langerhans |
(iii) |
Small intestine |
|
(d) |
Bruunner’s Glands |
(iv) |
Liver |
Select the correct option from the following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | iii | ii | i | iv |
| 2. | iii | i | ii | iv |
| 3. | ii | iv | i | iii |
| 4. | iii | iv | i | ii |
Which of the following immune responses is responsible for the rejection of kidney graft?
| 1. | Cell-mediated immune response |
| 2. | Auto-immune response |
| 3. | Humoral immune response |
| 4. | Inflammatory immune response |
Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes:
1. Duodenal cells
2. Chief cells
3. Goblet cells
4. Oxyntic cells
Under which of the following conditions will there be no change in the reading frame of the following mRNA?
5'AACAGCGGUGCUAUU 3'
| 1. | Deletion of GGU from 7th, 8th and 9th positions |
| 2. | Insertion of G at the 5th position |
| 3. | Deletion of G from the 5th position |
| 4. | Insertion of A and G at the 4th and the 5th positions respectively |
Which of the following is a commercial blood cholesterol-lowering agent?
| 1. | Lipase | 2. | Cyclosporin A |
| 3. | Statin | 4. | Streptokinase |
Select the incorrect statement:
| 1. | Human males have one of their sex-chromosome much shorter than the other. |
| 2. | Male fruit fly is heterogametic. |
| 3. | In male grasshoppers, 50% of sperms have no sex chromosome. |
| 4. | In domesticated fowls, the sex of progeny depends on the type of sperm rather than the egg. |
Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
| 1. | 2700 mL | 2. | 1500 mL |
| 3. | 1700 mL | 4. | 2200 mL |
Select the correct sequence for the transport of sperm cells in the male reproductive system:
| 1. | Testis → Epididymis → Vasa efferentia → Vas deferens → Ejaculatory duct → Inguinal canal → Urethra → Urethral meatus |
| 2. | Testis → Epididymis → Vasa efferentia → Rete testis → Inguinal canal → Urethra |
| 3. | Seminiferous tubules → Rete testis → Vasa efferentia → Epididymus → Vas deferens → Ejaculatory duct → Urethra → Urethral meatus |
| 4. | Seminiferous tubules → Vasa efferentia → Epididymis → Inguinal canal → Urethra |
Colostrum, the yellowish fluid, secreted by the mother during the initial days of lactation is very essential to impart immunity to newborn infants because it contains:
| 1. | Immunoglobulin A | 2. | Natural killer cells |
| 3. | Monocytes | 4. | Macrophages |
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