List of top Biology Questions

Describe the Chromosome theory of Genetics.
Explain competition and parasitism with examples.
Describe natural selection in brief.
What do you understand by patent?
What are parthenocarpic fruits?
How many pairs of contrasting traits were studied by Mendel in pea plants?
Who proposed the Chromosomal theory of Inheritance?
The name of the plant pollinated by water is:
Which one of the following is not a false fruit?
The vector of Dengue (Break bone) fever is:
Choose the correct option and write in your answer-book: Genetic engineering is useful in:
What do you mean by Mendelian disorders? Give an example of an autosome-linked Mendelian disorder.
What is the haplodiploid sex determination system?
Define primary and secondary productivity.
What is placenta? Describe the different functions of placenta in brief.
With the help of a suitable diagram, explain the classical experiment of S.L. Miller regarding the origin of life.
Describe the functions of vegetative and generative cells of a mature pollen grain with a suitable diagram.
What is adaptive radiation? Describe it with an example.
What are lymphocytes? Briefly describe the functions of two special types of lymphocytes present in our blood.
Briefly explain the different steps involved in the construction of recombinant DNA.
Describe the structure and functions of an antibody.
What is a trophic level? Comment on different types of trophic levels in an ecosystem.
Describe different abiotic and biotic agents of pollination in detail.
Describe the characteristic features of the human genome.
What is an ecological pyramid? Describe different types of ecological pyramids in brief.