List of top Biology Questions

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

Pyruvic acid is a product of

Enzyme used in DNA replication is

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:

Which one of the following pairs of terms / names mean one and the same thing?

Just as Xenopsylla is to Yersenia pestis, so is:

Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to:

What would happen if in a gene encoding apolypeptide of $50$ amino acids has UAC at $25^{th}$ position mutated to UAA ?

Fluoride pollution mainly affects

Pyruvic acid is a product of