List of top Biology Questions

Ligaments are the connective tissues that connect

Usnic acid is an antibiotic obtianed from

Cyanobacteria are particularly useful as biofertilizers in the fields of

Circulatory system in earthworm is

Chromophil cells are found in:

Lactic acid is produced by Rhizopus species:

The alga used for quick sewage disposal is:

Biosphere consists of

Avena curvature test is a bioassay for examining the activity of

In angiosperms the conduction of water is more efficient because their xylem has vessels. Conduction of water by vessel elements is an active process with energy supplied by xylem parenchyma rich in mitochondria.

Animals giving birth to young ones are

Largest bird is

Reptile living both on land and water is

Whale is member of class

Canal system occurs in

Embryo sac represents

Retrogressive metamorphosis occurs in

Hydra reproduces a sexually through

An infolding in bacteria of cell membrane is

Cell organelle connecting cell membrane with nuclear envelope is

Which vitamin is necessary for blood clotting

Photochemical smog pollution does not contain-

Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters into natural surface waters is-

Which of the following statements is incorrect ?

Advancement in genetic engineering has been possible due to discovery of