NEET Practice Questions (MCQs) with Answers & Solutions

When exposed to cold temperatures, which of the following is responsible for maintaining constant body temperature in humans?

Under unfavorable conditions, many zooplankton species in lakes and ponds are known to enter a stage of suspended development called as:

Darwinian fitness is represented by:

Under a particular set of selection pressures, organisms evolve towards the most efficient:

A population interaction where one species is harmed whereas the other is unaffected is called as:

When certain exotic species are introduced into a geographical area they become invasive mainly because:

In a field experiment, when all Pisaster starfish were removed from an enclosed intertidal area, the result was:

A species whose distribution is restricted to a small geographical area because of the presence of a competitively superior species is found to expand its distributional range dramatically when the competing species is experimentally removed. This is called:

To get pollinated by a bee, the Mediterranean Orchid, Ophrys, employs:

In a tide pool, 15 species of invertebrates were reduced to 8 after one species was removed. The removed species may be a: