List of top Biology Questions

Which part of the human eye controls the amount of light entering it?
Which of the following statements about photosynthesis is correct?
Which gas is primarily responsible for the greenhouse effect?
Which plant hormone is responsible for apical dominance?
Which of the following would most likely occur in an ecosystem following the removal of a keystone species?
Which of the following statements is true regarding Mendel's law of independent assortment?
During DNA replication in eukaryotic cells, which of the following enzymes is responsible for removing RNA primers and filling the gaps with DNA nucleotides?
In the electron transport chain of mitochondria, the final electron acceptor is:
Which of the following best explains the Bohr effect in hemoglobin?
Which plant hormone is primarily responsible for initiating seed germination and breaking seed dormancy?
In which of the following pairs both plants exhibit epigynous flowers and axile placentation?
Which of the following plants shows both stem and root modifications for storage?
Introrse and extrorse anthers are found in the following plants respectively:
Assertion (A): Xylem transports water and minerals from roots to other parts of the plant.
Reason (R): Xylem vessels have sieve plates that facilitate transport.
Which hormone is secreted in response to high blood sugar levels?
In plants, which structure is mainly responsible for the absorption of water and minerals?
Which blood component is responsible for clotting?
Which part of the human brain is responsible for maintaining posture and balance?
Explain the structure of a mature embryo sac of a typical flowering plant.
The genetic material in bacteriophages is:
Which organelle is known as the powerhouse of the cell?
Bacterium that is responsible for the formation of curd is:
Which of the following enzymes is secreted by the stomach and helps in protein digestion?
Which among the following diseases is caused by a protozoan?
What is the primary function of xylem tissue in plants?