Which of the following are the important floral rewards to animal pollinators?
1. Colour and large size of the flower
2. Nectar and pollen grains
3. Floral fragrance and calcium crystals
4. Protein pellicle and stigmatic exudates
2. Nectar and pollen grains
3. Floral fragrance and calcium crystals
4. Protein pellicle and stigmatic exudates
How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
| 1. | Five | 2. | Six |
| 3. | Eight | 4. | Seven |
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
2. Chromosomal aberrations
3. Genetic drift
4. Recombination
A technique of micro-propagation is:
2. somatic embryogenesis
3. protoplast fusion
4. embryo rescue
The movement of a gene from one linkage group to another is called:
2. duplication
3. translocation
4. crossing over
Multiple alleles are present:
1. on different chromosomes
2. at different loci on the same chromosome
3. at the same locus of the chromosome
4. on non-sister chromatids
Which body of the Government of India regulates GM research and the safety of introducing GM organisms for public services?
2. Indian Council of Agricultural Research
3. Genetic Engineering Approval Committee
4. Research Committee on Genetic Manipulation
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
The crops engineered for glyphosate are resistant/tolerant to:
2. bacteria
3. insects
4. herbicides
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