List of top Biology Questions

The stem tubers are the swollen ends of specialised underground stem branches, which help in vegetative propagation of the plant. Solanum tuberosum is an example of a root tuber which stores inulin as the main reserve food material.
It is the brain, not the sense organs, that interprets the stimulus. Sense organs are transducers. They transform the energy of a stimulus to the energy of nerve impulses.
The micro-organism grown on molasses and sold as a food flavouring substance is
Antibiotic flavicin is obtained from
The function of renin is
Inflammatory response, in allergy, is caused by the release of
Which of the following chambers of the heart has the thickest muscular wall?
Which gland plays a key role in metamorphosis of frog?? tadpole?
Anemophilous flowers have
When a bacteriophage, in its lytic phase, carries some of the bacterium partially digested chromosome with it to another host cell, the process is called
Which of the following is pollution related disorder?
Which of the following organelles has single membrane?
In operon concept, regulator gene functions as
In 1984, Bhopal gas tragedy was caused due to leakage of
D.D.T.is
??omma?
Kidney of adult reptiles are
An animal, which is diploblastic and radially symmertrical is:
In sponges, circulation of waler in flagellated chamber is facilitated by:
Valves are present in:
Final product of carbohydrate digestion is:
Which of the following is mismatched?
Which part of our body secretes the hormone secretin ?
Which of the following carries glucose from digestive tract to liver?
The smallest flower is that of the: