List of top Biology Questions

What is Biogas? How is it produced? Name the microbe involved in biogas production.
Describe mutualism with the help of the wasp-fig relationship.
What are the major causes of the loss of biodiversity?
What are cleistogamous flowers? Can cross-pollination occur in cleistogamous flowers? State the reasons.
Define any two of the following: ( Commensalism ( Logistic growth ( Parasitism
Describe the important enzymes required for genetic engineering.
How does the production of insulin take place in genetically modified organisms?
Write the important goals of Human Genome Project (HGP).
What is biofertilizer? A farmer is advised to add a culture of which bacterium before sowing? How is this bacterium useful to the crop?
Describe the structure of human sperm with a well-labelled diagram.
Draw a well-labelled diagram of DNA double helix model.
Explain the causes of Klinefelter's syndrome. Also mention the symptoms of this syndrome.
Write two useful functions of Lactic Acid Bacteria (LA.
What do you mean by metastasis?
Define population and community.
Write the difference between DNA and RNA.
What are the finger-like projections on the edges of the infundibulum called?
The exaggerated response of the immune system to certain antigens present in the environment is called
PCR stands for
What is double fertilization?
What does ELISA stand for?
Name the flower which shows incomplete dominance.
Give a brief account of different population growth models.
Which one of the following is not a stop terminator codon?
Exine layer of pollen grain is made up of