List of top Biology Questions

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?
What is true for individual of same species?
Which cartilage is present on the end of long bones ?
Which of the following statement is true for lymph?
Which of the following type of cell cannot be used in preparation of DNA fingerprint ?
Wings of pigeon, mosquito and bat show
X-linked recessive gene is
Which of the following are the indicators of pollution?
Which layer develops first during embryonic development?
Which is soluble RNA?
Which hormone produces calorigenic effect?
Which hormone is responsible for milk ejection after the birth of the baby ?
Which form of reproduction is correctly matched?