List of top Biology Questions

Most of the cell membranes are principally composed of

Meselson and Stahl experiment proved

Meristematic tissue in vascular bundle is

Male gamete in angiosperm is produced by

Ligament is mainly made up of

Iodine is obtained from

In which of the following fruit the edible part is the aril ?

In CAM plants, $ CO_2 $ acceptor is

Female gametophyte of angiosperms is represented by

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stage respectively

Development of fruit without fertilization is called

Coenocytic thallus is found in

Tendon and ligaments are specialised types of

Cancer cells are more easily damaged by radiation than normal cells because they are

Which one of the following pairs is not correctly matched ?

To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practised in floriculture and horticulture industry today. This is called _____

In $1984$, the Bhopal gas tragedy took place because methyl isocyanate

Oral contraceptive pills function by

Biradial symmetry and lack of cnidoblasts are the characteristics of

Benign tertian malaria is caused by

Replication and transcription occur in the nucleus but translation occurs in the cytoplasm. m RNA is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.

Nuclear endosperm is formed by subsequent nuclear division without wall formation. Coconut is an example of such endosperm, where the endosperm remains nuclear throughout the development of the fruit.

Maize is an albuminous seed. Endosperm is completely absorbed by its growing embryo.

Interferons are a type of antibodies produced by body cells infected by bacteria. Interferons stimulate inflammation at the site of injury.

In collateral vascular bundles, phloem is situated towards inner side. In monocot stem, cambium is present.