A piece of nucleic acid used to find a gene, by forming a hybrid with it, is called a :

1. probe

2. vector

3. restriction sequence

4.retrovirus

Which of the following are also called as “magical bullets”?

1. restriction enzymes

2. monoclonal antibodies

3. DNA ligases

4. plasmids

Which part of the tobacco plant is infected by Meloidogyne incognita?
1. Root
2. Flower
3. Leaf
4. Stem

Golden rice will help in -
1. Producing petrol-like fuel
2. Pest resistance
3. Herbicide tolerance
4. Alleviation of vitamin A deficiency

Genetically engineered microorganism used successfully in bioremediation of oil spills is 
1. Trichoderma
2. Xanthomonas
3. Bacillus
4. Pseudomonas putida

Human insulin is being commercially produced from a transgenic species of                   
1. Rhizobium
2. Saccharomyces
3. Mycobacterium
4. Escherichia

Cry 1 endotoxins obtained from Bacillus thuringiensis are effective against
1. Nematodes
2. Mosquitoes
3. Bollworms
4. Flies

A transgenic food crop which may help in solving the problem of night blindness in developing countries is
1. Bt Soybean
2. Golden Rice
3. Flavr Savr Tomatoes
4. Starlink Maize

Main objective of production / use of herbicide resistant GM crops is to
1. Encourage eco-friendly herbicides
2. Reduce herbicide accumulation in food articles for health safety
3. Eliminate weeds from the fields without the use of manual labour
4. Eliminate weeds from the fields without the use of herbicides

What is true about Bt toxin?
1. The concerned Bacillus has antitoxins.
2. The inactive protoxin gets converted into active form in the insect gut
3. BT protein exists as active toxin in the Bacillus.
4. The activated toxin enters the ovaries of the pest to sterilise it and thus prevent its multiplication