List of top Biology Questions

In plants, which one of the following helps in the absorption of phosphorus from soil?
The sequence that controls the copy number of linked DNA in the vector is termed:
The mosquito-borne disease in humans causing chronic inflammation of the lymphatic vessels is:
Which one of the following codons has dual function?
In humans, non-disjunction of the 21st pair of chromosomes leads to:
Estrogen is secreted by:
Amniocentesis is a technique that is used to:
Long ribbon-like pollen grains are seen in some:
What is the term used for the milk produced during the initial days of lactation?
Describe the changes in the ovary and the uterus as induced by the changes in the level of pituitary and ovarian hormones during menstrual cycle in a human female.
Explain why the milk produced by the mother during the initial days of lactation is considered to be very essential for the newborn infant.
In a dihybrid cross AaBb × AaBb, what percentage of offspring will show at least one recessive trait?
The plants showing: hypogynous flower, valvate aestivation, and tricarpellary ovary are:
In which group of algae are food materials stored in pyrenoids?
The number of ATP and NADPH molecules required respectively to synthesize one molecule of glucose in C\(_3\) plants is:
Which part of the human eye controls the amount of light entering it?
Which of the following statements about photosynthesis is correct?
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?