List of top Biology Questions

Homologous organs indicates the
Fruit ripening hormone is
Extranuclear genes occurs in
During formation of which of the following free nuclear division occurs?
Clove is a
Yield of oil, fibre and animal food is obtained from the plant
Which one is saprophytic in nature?
Omega shaped vascular bundles are found in
The development of single fruit is due to
The ratio of female to male flower is $1 : \infty$ < in
Lysosomes are filled with
All veins carry deoxygenated blood except
What is true for plasmid : -
What is the intensity of sound in normal conversation?
m-RNA is synthesised on DNA template in which direction
In negative operon
In Lederberg's replica plating experiment what shall be used to obtain streptomycin resistant strain
Gene and cistron words are sometimes used synonymously because
Brain depends on blood for the supply of
Who discovered photophosphorylation?
An oocyte is released from the ovary under the influence of LH
Photosynthetic bacteria do not contain
Which of the following statements is correct regarding short day plants (SDPs)?
Stomata remain open during day. Stomata help in exchange of gases.
Cocaine is a stimulant, which may cause addiction. It is an alkaloid obtained from