Match the plant hormones in Column I with their primary function in Column II. Column I Column II P. Abscisic acid i. Promotes disease resistance Q. Ethylene ii. Maintains seed dormancy R. Cytokinin iii. Promotes seed germination S. Gibberellins iv. Promotes fruit ripening v. Inhibits leaf senescence Choose the correct combination:

P - ii , Q - iv , R - v , S - iii

P - iii , Q - iv , R - i , S - ii

P - v , Q - iii , R - ii , S - i

P - iv , Q - ii , R - iii , S - v

MEDIUM

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Mark the correct statement/s about arithmetic growth.

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Important Questions on Plant Growth and Development

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Typical growth curve in plants is:

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as:

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

When a plant species is grown in shade tends to produce thinner leaves with more surface area, and when grown under abundant sunlight starts producing thicker leaves with reduced surface area. This phenomenon is an example of

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

The orientation to light of a non-motile organism or part of its body is called:

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Formation of interfascicular cambium and cork cambium from parenchyma is phenomenon of

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:

HARD

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Within the exponential phase of growth, if the initial surface area and the growth rate of a leaf are

10 {mm}^{2}

and

0.015 {mm}^{2} / hour

respectively, the area of the leaf after

4

days would range from

HARD

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Choose the correct statements.
(A) Assyrians recorded information of crop plants in the picture form.
(B) Nehemiah Grew studied the anatomy of plant tissue.
(C) Bouskein refers to cattle.
(D) Application of physical and chemical principles developed new branches of Botany like genetics.

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Name for the given phenomena events that occur during the growth of the plant

A)

Production of tissues in woody dicotyledonous plants to perform specific function

B)

Heterophylly at different stages of growth

C)

Formation of meristems from parenchyma cells

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

In the following diagrammatic representation showing stages of embryonic development, identify the type of growth phase labelled as $M$ and $N$ :

Question Image

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Which one of the following plants does not show plasticity?

EASY

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Which among the following is not dedifferentiated?

MEDIUM

Biology>Plant Physiology>Plant Growth and Development>Plant Growth

Match the plant hormones in Column I with their primary function in Column II.

Column I	Column II
P. Abscisic acid	i. Promotes disease resistance
Q. Ethylene	ii. Maintains seed dormancy
R. Cytokinin	iii. Promotes seed germination
S. Gibberellins	iv. Promotes fruit ripening
	v. Inhibits leaf senescence