List of top Biology Questions

Describe mutualism.

Identify and define ‘A’ and ‘B’ in relation to the uptake of water by the root: 

What are the significances of double fertilization?

Define the following terms: 
(a) Gene Flow 
(b) Chromosomal Aberrations

Enlist the uses of gene therapy.
Distinguish between human sperm and ovum.

Observe the graph and select the correct option: 

What are the reasons for the success of Mendel?
Give the name of the microbial source of the antibiotic chloromycetin.
What is the full form of IAA?
Identify the appropriate term for the number of births under ideal conditions:
Which one of the following does not evolve further?
Which of the following types require pollinator but result is genetically similar to autogamy?

Recognition sequences of restriction enzymes are generally ___________ nucleotides long. 
 

Which of the following is caused by an unsterilized needle?
Which of the following divides the nasal cavity?

In absence of fertilization, corpus luteum degenerates into __________. 
 

Which one of the following is not a part of lac operon?
Identify the growth hormone in plants which causes inhibitory effect.
What is opium? Which plant is it obtained from?
How many chromosomes are found in Klinefelter and Turner Syndromes?
How many types of immunity occur in humans? Write their names.
What are antibiotics? Name any two microbes which are used in the production of antibiotics.
Describe the Hardy-Weinberg principle.
What do you understand by the origin of life?