List of top Biology Questions

Which structures perform the function of mito- chondria in bacteria?
Which of the following feature(s) is/are common to both wind and water pollinated flowers? I. Pollen grains are long and ribbon-like II. Stigma is large and feathery III. The flowers are not colourful IV. The flowers do not produce nectar
Which of the following does not apply to ascomycetes?
A scrubber in the exhaust of a chemical industrial plant removes
Find out the mismatched pair.
A drug addict showed symptoms such as increased appetite, chest pain, redness eyes, increased urination. He was possibily taking
The brain disease caused due to accumulation of amyloid $\beta$ -peptide is
Which of the following is a 'cyanophage'?
Which one of the following correctly describes the location of some body parts in the earthworm (Pheretima) ?
Aerobic respiration produces more usable chemical energy than fermentation, because fermentation involves
Hypothetical plant hormones are
Which one of the following shows heterothallism?
There is increase in blood urea when there is insufficient filtration in
ABA is involved in
A person sitting at rest experiences a temporary cessation of breathing after forced deep breathing for a few minutes. This is due to
Which of the following is not a character of cancerous tissues in our body ?
Which of the following statements about the food chain is false?
Which one of the following is the unique feature of angiosperms?
What percentage of impurities make domestic sewage unfit for human use?
The probe for DNA fingerprinting are
Taq polymerase is isolated from a
In which of. the following areas does the primary succession occur?
Human primary spermatocyte contains
Mycorrhiza is an example of
What is cardiac output?