List of top Biology Questions

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 ?

DNA replication in bacteria occurs:

Artificial selection to obtain cows yielding higher milk output represents :

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:

So far 1.5 million species are identified, in which the number of fungi species identified is more than the combined total of:

Restriction endonucleases are isolated from some bacteria. Their role in bacteria is:

The hormones involved in maintaining calcium balance in the human body are:

Which of the following vector-borne diseases caused by Aedes mosquitoes ?

The secondary wall material Suberin is deposited on the walls of

Which of the following plants produce zygomorphic flowers?