List of top Biology Questions

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is
Mannitol is the stored food in :
Plasmids are used in genetic engineering as they are
In $C_{3}$ plants, the first stable product of photosynthesis during the dark reaction is
Fish flour is rich in
Photochemical phase of photosynthesis occurs in
Foetal ejection reflex in human female is induced by :
Which of the following is not used as a biopesticide?
Transgenic hirudin is obtained from
Nucleotide constituents of RNA are
Seminal plasma in humans is rich in
Synapsis occurs between
Rooting of cutting is promoted by
Which of the following is a pair of viral diseases?
The correct sequence of plants in a hydrosere is
Guard cells help in
Diploid structure found in embryo sac is
Inactive cancer gene is called
Path of ascent of sap is
Cod liver oil is rich in
Study the pedigree chart given below. What does it show?
T.O. Diener discovered a
Cytoskeleton is made up of
Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
Which one of the following is monoecious?