List of top Biology Questions

Rods and cones are modified

Rh factor in man could be connected to species $\ldots\ldots$ of monkey

Release of second polar body from human egg nucleus occurs

Pleiotropy is the term that refers to situation in which a gene influences more than one trait. Its example is given by

Phytoplankton are

Photosynthesis is maximum in

Osphradium of Pila globosa is

Organ of Ruffini is sensitive to

Opening in the cork tissue which permits exchange of gases between atmosphere and internal tissues is called

One of the most important functions of botanical gardens is that

"Omnis-cellula-e-cellula" was given by

Number of bones in skull is

National botanical garden and national botanical institute are located at

Mulching helps in

Mottled chlorosis on the leaves occurs due to the deficiency of

In maize, hybrid vigour is exploited by

: $7$-celled, $8$ nucleate and monosporic embryosac is called Polygonum type of embryo sac. : It was discovered by Hofmeister for the first time in Polygonum.

Top - shaped multiciliate male gametes and the mature seed which bears only one embryo with two cotyledons, are characteristic features of

More than $70\%$ of worlds freshwater is contained in

Three crops that contribute maximum to global food grain production are

The name of Norman Borlaug is associated with

Which of the following propagates through leaf-tip?

Number of wild life is continuously decreasing. What is the main reason of this?

Impulse of heart beat originates from

Which of the following statement is correct about the node of Ranvier?