NEET Botany MCQs

Growth plotted against time gives a

Constantly dividing cells, both at the root apex and shoot apex represents

In most of the higher plants, the growing …A… bud inhibits the growth of …B… bud, a phenomenon called apical dominance. Removal of the shoot tips usually results in growth of …C… buds.

Complete the given statement with the correct combination of options given in the codes below

Which hormone is responsible for apical growth?

Growth of an organism is characterised by

The role of PGR is of one kind of …A… control. Along with genomic control and …B… factors, they play an important role in plant growth. Many of …C… factor, such as temperature, light, etc., control growth and development via PGR.

Choose the correct option A, B and C to complete the given statement

Growth promoting hormone is

Study the following statements of plants growth

I. One single maize root apical meristem can give rise to more than 17500 new cells per hour

II. A cell in watermelon can increase its size up to 3,50,000 times

III. Growth of pollen tube is measured in the terms of its length

IV. Growth in dorsiventral leaf is measured in terms of an increase in its surface area

Choose the correct option

Efficiency index in the exponential phase of geometrical growth is the ability of plants to produce

I. Plasmatic growth

II. Differentiation

III. Maturation

IV. Senescence

Identify the correct sequence of the following events occurring in plants and choose the correct option accordingly