The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for

• responsiveness to touch

• interaction with the environment and progressive evolution

• reproduction

• reproduction

Select the correct statement from the following:

• Darwinian variations are small and directionless

• Fitness is the end result of the ability to adapt and gets selected by nature

• All mammals except whales and camels have seven cervical vertebrae

• All mammals except whales and camels have seven cervical vertebrae

Probiotics are

• safe antibiotics

• cancer inducing microbes

• new kind of food allergens

• new kind of food allergens

Which one of the following pairs of organisms are exotic species introduced in India?

• ficus religiosa , lantana camara

• lantana camara, water hyacinth

• water hyacinth, prosopis cinereria

• water hyacinth, prosopis cinereria

Two plants can be conclusively said to belong to the same species if they

• can reproduce freely with each other and form seeds

• have more than 90 per cent similar genes

• look similar and possess identical secondary metabolites

• look similar and possess identical secondary metabolites