STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Assertion: Proton gradient is important because breakdown of this gradient leads to release of energy.
Reason: The gradient is broken down due to the movement of protons across the membrane to the stroma.

Nearly ............. species of plants and ...........as many of animals have been recorded from India.

Which of the following is used extensively in biochemical and genetic work?

The standard of living is very badly affected by

Which of the following is most important abiotic factor in pond ecosystem

An ecosystem must have continuous external source of

In angiosperms, functional megaspore develops into

Most diverse organisms of an ecosystem are