List of top Biology Questions

An example of a seed with perisperm and caruncle is

When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from

Important sperm lysin used for dissolving egg covering is

A person likely to develop tetanus is immunized by administering :

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

Which of the following is a pair of viral diseases?

Rooting of cutting is promoted by

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?