List of top Biology Questions

Study of reptiles is called
Quinine - an antimalarial drug is obtained from
Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of
Life span of RBC is
Lampbrush chromosomes are seen in which typical stage:
Kupffer cells are found in
July 11 is observed as:
Ethylene gas is used for
L.S.D. is obtained from :
Drinking of alcohol affects :
Which of the following is free-living, aerobic and non-photosynthetic nitrogen fixing bacterium?
In the animal body bold bank is :
Spinal cord is protected by :
Cotton fibre is
Binary fission is a form of
Enzyme used in DNA replication is
Pyruvic acid is a product of
Histones are
Histones are Meristematic tissues are composed of
Rhoeo leaves contain anthocyanin pigments in epidermal cells. Anthocyanins are accessory photosynthetic pigments.
Holoblastic cleavage with almost equal-sized blastomeres is a characteristic of placental animals. Eggs of most mammals, including humans, are of centrolecithal type.
Both corpus luteum and macula lutea are
Mr. X is eating curd/yoghurt. For this food intake in a food chain he should be considered as occupying
Which one of the following is a matching pair?
Excessive stimulation of vagus nerve in humans may lead to: