Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Assertion : Plasmodium vivax is responsible for malaria.

Reason : Malaria is caused by polluted water.

Development of similar adaptive functional structural features in an unrelated group of organism is called

Iron deficiency anaemia is a complication of which of the following parasitic infection?

Assertion : Human ancestors never used their tails and so the tail expressing gene has disappeared in them.

Reason : Lamarck's theory of evolution is popularly called theory of continuity of germ plasm.

The term ‘Survival of Fittest’ was used by:

Biologically most resistant plant material is

From a cross AABb × aaBb, the genotypes AaBB : AaBb : Aabb will be obtained in the ratio:

Thurioside is a proteinaceous toxin, which is obtained from:

Carnivorous animals - lions and leopards, occupy the same niche but lions predate mostly larger animals and leopards take smaller ones. This mechanism of competition is referred to as

Who has developed the concept of phagocytosis in immunity?