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Lateral meristem contributes to the primary growth in plants.

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Important Questions on Plant Growth and Development

HARD
Within the exponential phase of growth, if the initial surface area and the growth rate of a leaf are 10 mm2 and 0.015 mm2/hour  respectively, the area of the leaf after 4 days would range from
HARD
Write the types of induced plant movements by an external and directional stimulus with example.
EASY

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

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EASY
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
Which among the following is not dedifferentiated?
EASY
Identify the exponential growth expression among the following.
HARD
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
In which of the following, there is no differentiation of bark, sapwood and heartwood?
EASY
An irreversible increase in volume is called _____.
EASY
Klinostat is employed in the study of
EASY

Fill in the blank with the correct option provided in the brackets.

Plants that avoid sunlight are called _____(photophobic/photogenic/photophilic) plants.

EASY
Why is vivipary an undesirable character for annual crop plants?
MEDIUM

Fill in the blank with the correct option provided in the bracket.

A phase of growth which is maximum and fastest is _____(exponential/lag/stationary).

EASY
What does an absence of light during the growth in plants leads to?
EASY

Fill in the blank with the correct word given in the bracket.

Elongation of shoot just before flowering is called _____(bolting/salting).

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The form of growth in which new cells are always added to the plant body by the activity of _____ (Meristematic tissue/ Permanent tissue) is called the open form of growth.
EASY

Fill in the blank with the correct option provided in the bracket.

The rate of growth of the plant follows the _____(S/J/I) curve.

MEDIUM

Fill in the blank with the correct option from the bracket.

Exponential growth of cells occurring during _____ phase of the growth curve. (asymptote, lag, stationary, log)