List of top Biology Questions

Application of bioinformatics include?

Which of the following features is used to identify a male cockroach from a female cockroach ?

Which one of the following group is nutritionally essential amino acids?

During r- DNA technology, which one of the following enzymes is used for cleaving DNA molecule ?

The movement of Pollen tube is:

The antibody produced in allergic reaction is:

Consider the following statements: Hardy Weinberg equilibrium is maintained in a population where (i) random mating is there (ii) there is no natural selection (iii) a population may gain or loose alleles Which of the statements given above is/are correct?

Which one of the following is NOT true about Salvia flower ?

The contraceptive "SAHELI"

Snapdragon is an example of _________ gene interaction.

Lac is used in the manufacture of following products EXCEPT

In one nucleosome, which one of the following histone molecule is NOT double ?

The 'eyes' of potato are located at the _________

Stomatal movement is not affected by

Many ribosomes may associate with a single $mRNA$ to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as

Identify the INCORRECT statement regarding Bt Cotton.

Lacteals absorb ________

Pollen grains can be stored for several years in liquid nitrogen having a temperature of

The stage during which separation of the paired homologous chromosomes begins is

In the given diagram of mammalian bone, X indicates

Sweet potato is a modified

The amnion of mammalian embryo is derived from

Pneumatophores occur in

Oxidative phosphorylation in eukaryotes occurs during ________.

Double fertilization in angiosperms was first discovered by S.G. Nawaschin in ________ plants.