List of top Biology Questions

Hydrophytic plants are adapted to their environment. Explain it with the help of examples and diagrams.
Draw a labelled diagram of a transverse section of a mature anther.
Write a short note on Family Planning.
Give an account on DNA fingerprinting.
What do you mean by bee-keeping? Explain it in brief.
Differentiate between true fruit and false fruit.
Define Apomixis.
What do you mean by Polyembryony?
Draw a labelled diagram of a human sperm.
What is biodiversity hotspot?
Comment upon amniocentesis.
Pollen grains get their nourishment from which part of anther?
Describe in brief about advantages of cross-pollination.
Draw a labelled diagram of a succulent fruit.
What type of nucleus is found in bacterial cell?
Congenital metabolic disorder is:
How many meiotic divisions are required to get 200 grains of Barley?
Mention the name of causal organism of Typhoid fever.
Which one is found in pollen grain?
Number of pollen sacs in an anther is:
What is contact inhibition? Explain how the normal cell transforms into cancerous cell.
Write short notes on any two of the following: (i) Adenosine Deaminase Deficiency (ii) Interspecific Competition with example (iii) Human Genome Project
Differentiate between any two of the following:
(i) Hypocotyl and Epicotyl
(ii) Perisperm and Pericarp
(iii) Integument and Testa
Explain Competition and Parasitism with examples.
Describe the disorders from the following chromosomal abnormal arrangements: (i) Trisomy of Chromosome 21 (ii) XXY