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

Which among the following elements increases the absorption of water and calcium in plants?

Coenzymes, however, differ from enzymes in that

Consider the following statements and choose the correct answer:
1. A direct proportionality exists between vapour pressure and the concentration of water vapour in the atmosphere
2. Relative humidity is an expression of the ratio of the actual vapour pressure of the atmosphere when saturated at the same temperature
3. A rise or fall in temperature with no change in vapour pressure will cause a drop or rise, respectively, in relative humidity
4. A rise or fall in vapour pressure with no change in temperature will be accompanied by a rise or fall, respectively, in relative humidity

The sexual reproduction taking place by the fusion of haploid male and female gametes is known as

Wilting of plants occurs due to excessive

Which of the following is a characteristic of permanent tissue?

Positive interactions, where populations help one another, the interaction being either one-way or reciprocal include

The cytochromes are conjugated proteins consisting of

The establishment and final maturation of colonising species is known as

Gagnepain and Boureau (1946, 1947) included Exocarpus among Gymnosperms and placed it in a separate family Exocarpaceae near Taxaceae, on the basis of which of the following features?