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

Consider the following statements regarding chasmophytes and choose the correct answer:
1. Chasmophytes are plants rooted in fissures or clefts and crevices of rocks which are filled with earth, dust and other gravel or rock-debris
2. Chasmophytic flora consists of all types, they belong to Thallophyta, Bryophyta, Pteridophyta and Spermatophyta
3. Rhizoids and roots of chasmophytes are often constricted within narrow clefts and flattened out as thin filamentous structures
4. If the rock is provided with clefts and crevices, lithophytes along chasmophytes develop in these

At which level of the pyramid of energy the amount of the total energy is the highest?

The fraction of the total amount of a substance in a component which is released in a given time is called

The whole fruit body of which of the following spores of Fusarium oxysporum is called the sporodochium?

Which of the following is a plant tissue?
1. Meristematic tissue
2. Permanent tissue

In C₄ plants, the atmospheric CO₂ is accepted by

The part of life cycle of Puccinia which is passed on the grain host or the wheat plant represents the

Advantages of self-pollination include

Which of the following statements about phloem transport is correct?

A natural process observed in lakes and tanks where the rich growth of micro-organisms consumes much of the dissolved oxygen, tending to deprive other organisms is known as