List of top Biology Questions

Systematics is the branch of biology that deals with classification of living organism. The aim of classification is to group the organisms in an orderly manner.

Lateral line system is found in fishes and aquatic larval amphibians. Lateral line system has receptors which are the clusters of sensory cells derived from ectoderm.

Clones are a group of organisms of identical genotype, produced by a single parent through asexual means. Clones exhibit high genetic variations.

If a homozygous red-flowered plant is crossed with a homozygous white-flowered plant, the offsprings will be

If turgor pressure becomes equal to the wall pressure, then

Which of the following structures helps in the respiration of lichens?

Passage cells are found in

In Entamoeba histolytica, the presence of chromatid bodies is characteristic of

The sites of the first, second and third moulting of the Ascaris larva are respectively

Adults of Wuchereria bancrofti attacks

Which of the following Phyla are included in Enterozoa?

Ambulacral grooves are absent in the living forms of the Class

Which of the following are uricotelic animals?

Which of the following is absent in polluted water:-

Vessels are found in :-

Jacob and Monad studied lactose metabolism in E. coli and proposed operon concept. Operon concept is applicable for:-

In fluid mosaic model of plasma membrane

Which of the following are homologous organs?

In human body urea is produced as an excretory product in the:

In a population, unrestricted reproductive capacity is called:

Among the following monosomic aneuploid is:

Mitochondria in middle piece of sperm is called:

Root germination is inhibited by:

Reason of fast speciation in present day crop plants is:

Insectivorous plants grow where soil deficient in: