List of top Biology Questions

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

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

In tetrad analysis, second-division segregation result from

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

Family tree can be constructed by

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

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?

The size of the chromosome is measured during

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

Among the following which is tree?

Pick the incorrect statement with respect to xylem parenchyma

Excess CO₂ suppress cell growth and productivity by?

Which colour of light is most effective for photo synthesis?

A gene whose expression helps to identify transformed cell is known as :

Which statements is wrong for Krebs' cycle ?

The pivot joint between atlas and axis is a type of :

During DNA replication, Okazaki fragments are used to elongate:

The morphological nature of the edible part of coconut is:

Phosphoenol pyruvate (PEP) is the primary $CO_2$ acceptor in:

The suspensor during the development of an angiosperm embryo is formed from _________

Mycorrhizae are the example of:

Motile zoospores are produced by

The megasporangium proper of an angiosperm ovule is represented by

Organisms possessing strong and stout forelimbs with clawed digits show ______ adaptations