Plant Growth

IMPORTANT

Plant Growth: Overview

This topic covers concepts, such as, Open Form of Growth, Characteristics of Growth in Plants, Growth Kinetics & Decelerating Phase of Growth Curve etc.

Important Questions on Plant Growth

EASY
IMPORTANT

Auxanometer is used to measure

MEDIUM
IMPORTANT

Enlist factors that affect the decelerating phase of the growth curve.

HARD
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Name the parts labelled as i), (ii) and (iii).

HARD
IMPORTANT

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The graph shown in the picture represents a growth curve in which fastest phase is the log phase.

HARD
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In the log phase, growth is

HARD
IMPORTANT

The exponential phase of the plant growth can be characterised by 

HARD
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The formation of interfascicular cambium and cork cambium is called

HARD
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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

EASY
IMPORTANT

Choose the correct mathematical expressions of linear growth and sigmoid growth and number of progeny that undergo division in both growth curves.

MEDIUM
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Mathematically, growth rate is expressed as

MEDIUM
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To perform unique functions, the cells break from root apical and shoot apical meristems and cambium discern the essence. It is called?

MEDIUM
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Both growth and differentiation in higher plants are open.

MEDIUM
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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.

MEDIUM
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What is the meaning of open form of growth?

EASY
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Cell differentiation is accompanied during period of

EASY
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The respiratory activity in "cell maturation" phase as compared to other phases is

MEDIUM
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What are the parameters used to measure growth of plants?

MEDIUM
IMPORTANT

The CORRECT sequence of cellular growth stages is

EASY
IMPORTANT

Measurement and comparison of total growth per unit time is called ________

EASY
IMPORTANT

Constant linear growth can be represented mathematically as