List of top Biology Questions

Distinguish between innate and acquired immunity.
Define codominance. Explain the concept of co-dominance by taking an example of AB blood group in humans.
Organic farming does not include chemical fertilizers.
Menstrual cycle ceases during pregnancy.
The lymphoid organs are the part of which system of human body?
What are primary lymphoid organs?
Name one primary lymphoid organ and one secondary lymphoid organ found in the human body.
Floral parts are un-wettable in case of hydrophilous flowers.
A child may have O blood group if his father and mother have A and AB blood group respectively.
Sex determination in honey bees is XX-XY type.
The sterilisation procedure in males is called ________.
Cyclosporin A, which is used as an immunosuppressive agent in organ-transplant patients, is produced by the fungus named ________.
During spermiogenesis, nebenkern of the sperm develops from ________ of the spermatid.
ELISA stands for ________.
Coconut water is an example of a ________ endosperm.
The initiator codon, AUG codes for which of the following amino acids?
Which of the following is correct according to Chargaff's rules?
The cavity present in the blastula is called:
The number of megaspores formed from one megaspore mother cell is:
An ideal contraceptive should be:
Which of the following organic acids can be produced on commercial scale by Aspergillus niger?
Heart shaped embryo is the feature of:
If the amount of adenine in a DNA is 30%, then according to Chargaff's rules, the amount of Uracil and Guanine present in the DNA respectively are:
Transplantation of tissues/organs to save certain patients often fails due to rejection of such tissues/organs by the patient. Which type of immune response is responsible for such rejections?
BOD stands for: