List of practice Questions

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

B lymphocytes are integral part of

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

The "Golden rice", aimed at curing

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

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

Growth can be measured by:

Photorespiration involves

Which of the following helps in ascent of sap?

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

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

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

Plant cell wall is made up of

Which of the following pairs of plant parts are both Diploid

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

In tetrad analysis, second-division segregation result from

The size of the chromosome is measured during

In gene cloning which of the following are used as vehicles for carrying foreign DNA fragment

The total number of cells in a culture is counted using the trypan blue exclusion assay and is found to be 2.7 x 10⁶ cells/ml. The culture is diluted 1:27 and then 100μl seeded per well into a 96 well plate. What is the final cell density per well?

Family tree can be constructed by

The plant having milky latex is

Among the following which is tree?

Which among the following members is not economically important as a food?

Pick the incorrect statement with respect to xylem parenchyma

If P(A) = 1/3, P(B) = 3/4 and P(A∪B)= 11/12, then P(A/B) is