Plant Anatomy and Physiology MCQ question and answer with solution | Biology Gk MCQs

The first dominant colonists among the flora of Iithophytes are

A cell increases in volume when it is placed in

Which of the following elements is not essential for plant growth?

Chemiosmotic coupling, the most widely accepted explanation of phosphorylation was proposed by

A formation of little trees upto 4 m in height which are richly armed with thorns and for the most part have ternate or pinnate leaves, but are leafless during dry season is known as

Mycorrhizae are formed by the association of

The species distributed in a belt around the north-pole include

An enzyme has a distinct cavity or cleft in which the substrate is bound, known as

Consider the following statements and choose the correct answer:
1. The absorption spectra of chlorophyll and bacteriochlorophyll are characteristic and distinct
2. Though not identical chemically, the accessory pigments of higher plants and photosynthetic bacteria serve the same function
3. Cyclic and non-cyclic photo phosphorylation occur only in case of higher plants
4. Bacterial photosynthesis occurs in presence of light and oxygen