List of top Biology Questions

Stamens epipetalous, alternate with the petals, usually not equal in length and filaments are basifixed.in _____
_____is composed of single layer of barrel shaped parenchymatous cells and forms a complete ring around the stele.
The types of roots present in mustard plant is
____ is a group of plants representing one or more ecospecies of common evolutionary origin.
Hydrogen bonds between cytosine and guanine arecytosine and guanine
Nucleotide sequence submission system and mass submission system are submission tools of ?
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 ?
Stomatal movement is not affected by
The 'eyes' of potato are located at the _________
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
Many ribosomes may associate with a single $mRNA$ to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as