List of top Biology Questions

Which one is not part of nephron ?

Placoid scales occur in

A ureotelic group is

All enzymes of $TCA$ cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

Entry of pollen tube into ovule through its micropyle is

The two cerebral hemispheres are connected with the help of

Compared to a bull a bullock is docile because of

Transfer of genetic information through virus is

First step in urine formation is

Conversion of 1 , 3-diphosphoglyceric acid to 3-phosphoglyceric acid is

Which is the odd one ?

For a critical study of secondary growth in plants, which one of the following pairs is suitable?

In gymnosperms, the pollen chamber represents

Increased asthmatics attacks in certain seasons are related to

Sex linkage was discovered by

The lentic ecosystem includes which of the following water ?

Which one of the following elements is not an essential micro-nutrient for plant growth ?

Which one of the following is surrounded by a callose wall?

Which one of the following is a viral disease of poultry ?

Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing micro-organism?

The finches of Galapagos Islands provide an evidence in favour of

Growth rings are formed due to activity of

Black rust of wheat is caused by

During transcription, $RNA$ polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is it's $DNA$-binding sequence ?

A sequential expression of a set of human genes occurs when a steroid molecule binds to the:-