List of top Biology Questions

The component of bacteria that retains the crystal violet stain during Gram-staining is
Which of the following organs does not produce any digestive enzymes?
How many ATP are produced when one molecule of $FADH_2$ is oxidized to $FAD$ through Electron Transport System?
Widal test is done to confirm
What is added to the blood during haemodialysis to prevent blood clotting?
Function of zinc in plants is

An example of edible underground stem is:

Given is the diagrammatic representation of the sectional view of cochlea. Select the correct option regarding it.
Major pigments found in Phaeophyceae, i.e., brown algae are
Which of the given genera is homosporous?
Which of the following are heterosporous pteridophytes? I. Lycopodium II. Selaginella III. Equisetum IV. Salvinia
Scientific names of plants are based on principles criteria agreed by and are given in
Thorns of Bougainvillea and tendrils of Cucurbita are examples for___________
Which of these is the law of Mendel which is followed universally without exceptions?
Aminoacylation of tRNA is essential for
Somaclones are prepared by
Sand flies play significant role in spreading Kala-azar because they
Saheli, is an oral contraceptive pill that has very high contraceptive value with little side effects. It is because
Plants can be made disease resistant through
Passive immunity is defined as immunity
Palade discovered which of the following cell organelles?
Osmosis is a type of
Objects less than $0.2\, �m$ in size cannot be seen under light microscope because
Match column I with column II and select the correct option from the given codes.
Match Column I with Column II and choose the correct answer.