Q. No.The two polypeptides of human insulin are linked together by:
1.
phosphodiester bonds
2.
covalent bonds
3.
disulphide bridges
4.
hydrogen bonds
| 1. | Leaf | 2. | Stem |
| 3. | Root | 4. | Flower |
Golden rice is a genetically modified crop plant where the incorporated gene is meant for the biosynthesis of:
| 1. | Vitamin-B | 2. | Vitamin-C |
| 3. | Omega 3 | 4. | Vitamin-A |
In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to:
2. acidic pH of the insect gut
3. action of gut microorganisms
4. presence of conversion factors in the insect gut
To obtain virus-free healthy plants from a diseased one by tissue culture technique, which part/parts of the diseased plant will be taken?
| 1. | Apical meristem only |
| 2. | Palisade parenchyma |
| 3. | Both apical and axillary meristems |
| 4. | Epidermis only |
Which part would be most suitable for raising virus-free plants for micro propagation?
1. Bark
2. Vascular tissue
3. Meristem
4. Node
Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin-A deficiency?
| 1. | Flaver savr tomato | 2. | Canolla |
| 3. | Golden rice | 4. | Bt-brinjal |
A single strand of nucleic acid tagged with a radioactive molecule is called:
| 1. | Vector | 2. | Selectable marker |
| 3. | Plasmid | 4. | Probe |
1. fungi
2. viruses
3. insects
4. nematodes
© 2024 GoodEd Technologies Pvt. Ltd.