List of top Biology Questions

The term niche refers to

Formation of activation calyx in the egg takes place

A bivalent of meiosis I consists of:

During the transportation gases, to maintain the ionic balance chloride ions shifts from

Electrons from excited chlorophyll molecules of photosystem II are accepted first by

Consider the following statements and select the correct one : Statement (A) : Pure water has maximum water potential. Statement (B) : The osmotic potential is zero in pure water.

Match the following list of animals with their level of organization. 

Choose the correct match showing the division of labor with animal example.

The diagram given below denotes the various parts of a typical flower. Identify the labelled parts A, B, C and D and choose the correct option :

Eye of Octopus and eye of Cat show different patterns of structure. Yet they perform similar function. This is an example of

Golgi complex plays a major role in

In an inducible operon, the genes are

Which enzyme's will be produced in a cell in which there is a nonsense mutation in the lac Y gene ?

Which of the following is not a property of the genetic code?

Which is likely to be present in deep sea water ?

Which group of animals belong to the same phylum?

Read the statements (A) and (B). Choose the right one : Statement (A) : Atherosclerosis is a disease characterised by the thickening of arterial walls. Statement (B) : Deposition of cholesterol and triglycerides in the arterial walls causes atherosclerosis.

Nucleoid is

The thermal regulation centre of the body is located in ______ of brain.

Alzheimers disease affects

Which antibiotic act on the cell wall of bacteria?

Periodic appearence of malaria symptoms occurs due to periodic

Agar-Agar is obtained from

Match the following and choose the correct combination from the options given