“Farmers prefer apomictic seeds to hybrid seeds.” Justify giving two reasons. Ans. Farmers may pref…
Assertion (A) : Communities that comprise of more species tend to be more stable. Reason (R) : A hi…
Assertion (A) : In birds the sex of the offspring is determined by males. Reason (R) : Males are ho…
Assertion (A) : In molecular diagnosis, single stranded DNA or RNA tagged with radioactive molecule…
Assertion (A) : AIDS is a syndrome caused by HIV. Reason (R) : HIV is a virus that damages the immu…
If the sequence of nitrogen bases of the coding strand in a transcription unit is 5′ – ATGAATG – 3′…
If both the parents are carriers for thalassaemia, the chances of an afflicted child to be born to …
Match the following genes of the lac operon listed in column ‘A’ with their respective products lis…
Identify the correct labellings in the figure of a fertilised embryo sac of an angiosperm given bel…
A phenomenon where a male insect mistakenly identified the patterns of a orchid flower as the femal…
Which one of the following statements is correct in the context of observing DNA separation by agar…
During biological treatment of sewage, the masses of bacteria held together by fungal filaments to …
