List of top Biology Questions

Which of the following is made up of dead cells?

What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?

The final proof for DNA as the genetic material came from the experiments of

Which of the following are found in extreme saline conditions?

Double fertilization is exhibited by

Select the mismatch :

Capacitation occurs in

DNA fragments are :

Which of the following represents order of 'Horse' ?

Which of the following options gives the correct sequence of events during mitosis ?

Artificial selection to obtain cows yielding higher milk output represents :

DNA replication in bacteria occurs:

Good vision depends on adequate intake of carotene rich food : Select the best option from the following statements : (a) Vitamin A derivatives are formed from carotene (b) The photopigments are embedded in the membrane discs of the inner segment (c) Retinal is a derivative of Vitamin A (d) Retinal is a light absorbing part of all the visual photopigments

The genetic material of M bacteriophage is _______

In some species of family Asteraceae seeds are produced without fertilization. It is called as ________

Which one from those given below is the period for Mendel's hybridization experiments ?

The hepatic portal vein drains blood to liver from :

Hypersecretion of Growth Hormone in adults does not cause further increase in height, because:

Amoeba is immortal because:

Which of the following is an example of intergenic gene interaction?

Antibodies are synthesized by _______

Identify the correct combination of cropvariety and insect pests.

In lac-operon concept of gene expression, allolactose acts as,

In dihybrid cross, when F1 plants (RrYy) are self hybridised, the ratio of segregation of yellow and green in F2 is :

Accessory ducts of reproductive system of human female include: