List of top Biology Questions

Action potential is generated because of

The plant Drosera is a

B lymphocytes are integral part of

Isolation and patenting useful genes of other countries without their permission or understanding is called

A nitrogen fixing blue green alga is

One of the following is a source of rubber

Seed dormancy allows the plants to

Bacillus thuringiensis (Bt) strains have been used from designing novel

In paddy fields biological nitrogen fixation is chiefly brought by

Which of the following enzymes cut the DNA molecule at specific nucleotide sequence

Which of the following helps in ascent of sap?

Photorespiration involves

Photorespiration is also known as -------------pathway

Growth can be measured by:

The "Golden rice", aimed at curing

In man, which of the following genotypes and phenotypes may be the correct result of aneuploidy in sex chromosomes?

Which of the following pairs of plant parts are both Diploid

Plant cell wall is made up of

In tetrad analysis, second-division segregation result from

Choose the best option that gives the correct match for the terms given in the columns.

Annular	1	Spring
Scalariform	2	Ring
Spiral	3	Uniform
Pitted	4	Ladder

If mutation changes codon in such a way that there is no effect on functioning and overall structure of protein. This type of mutation is termed as

During the formation of periderm, a few layers of meristematic tissue are formed in the cortex. This is called ______.

The simple type of plant body in which a single cell performs all the vital functions of life is referred to as _____________

The plant having milky latex is

Pick the incorrect statement with respect to xylem parenchyma