In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
| 1. | 25% | 2. | 100% |
| 3. | 50% | 4. | 75% |
Read the following statements.
| (a) | Metagenesis is observed in Helminths. |
| (b) | Echinoderms are triploblastic and coelomate animals. |
| (c) | Round worms have organ-system level of body organization. |
| (d) | Comb plates present in ctenophores help in digestion. |
| (e) | Water vascular system is characteristic of Echinoderms. |
Choose the correct answer from the options given below:
1. (a), (d) and (e) are correct
2. (b), (c) and (e) are correct
3. (c), (d) and (e) are correct
4. (a), (b) and (c) are correct
Sphincter of Oddi is present at :
1. Gastro-oesophageal junction
2. Junction of jejunum and duodenum
3. Ileo-caecal junction
4. Junction of hepato-pancreatic duct and duodenum
Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?
| 1. | Epinephrine | 2. | Thrombokinase |
| 3. | Thrombin | 4. | Renin |
Which one of the following belongs to the family Muscidae?
| 1. | Cockroach | 2. | House fly |
| 3. | Fire fly | 4. | Grasshopper |
| 1. | 4 | 2. | 32 |
| 3. | 8 | 4. | 16 |
Which of the following is not an objective of Biofortification in crops?
1. Improve vitamin content
2. Improve micronutrient and mineral content
3. Improve protein content
4. Improve resistance to diseases
A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
| 1. | Palindromic Nucleotide sequences | 2. | Poly(A) tail sequences |
| 3. | Degenerate primer sequence | 4. | Okazaki sequences |
Match List-I with List-II
| List-I | List-II | ||
| (a) | Vaults | (i) | Entry of sperm through the Cervix is blocked |
| (b) | IUDs | (ii) | Vas deferens is cut and tied |
| (c) | Vasectomy | (iii) | Phagocytosis of sperms within the Uterus |
| (d) | Tubectomy | (iv) | Fallopian tube is cut and tied |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (iii) | (i) |
| 2. | (iii) | (i) | (iv) | (ii) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (i) | (iii) | (ii) | (iv) |