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

Agrosan GN, Ceresan and Tillex give perfect control to seed-borne diseases, like

In the microspores, at certain places, the exine remains unthickened or missing and these places are known as

Most of the oxygen on earth is produced by

There is a complete absence of amphibians in which of the following biomes?

A body that changes position in the cell or plant organ or part as a direct consequence of the change in direction of the axis of an organ with reference to the direction of the force of gravity is called as

The highest concentrations of auxin are found in the

Consider the following statements and choose the correct answer:
1. The ecosystem is a major ecological unit
2. The function of ecosystem is related to the flow of energy and the cycling of materials through the structural components of the ecosystem
3. The major functional unit of the ecosystem is the population
4. The ecosystem has historical aspects: the present is related to the past, and the future is related to the present

Puccinia is a parasitic

The steps of dark reactions are

Which of the following is known as a dormancy phytohormone?