Chapter 13: Plant Growth and Development MCQs | biology Class 11 CBSE

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Chapter 13: Plant Growth and Development MCQs | biology Class 11 CBSE | ByteNotes.in

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Question 1

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Which of the following is the correct definition of growth in plants?

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Question 2

Objective

The ability of plants to grow throughout their life is due to:

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Question 3

Objective

Secondary growth (increase in girth) in dicotyledonous plants is brought about by:

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Question 4

Objective

A single maize root apical meristem can produce how many new cells per hour?

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Question 5

Objective

In arithmetic growth, plotting the length of an organ against time gives:

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Question 6

Objective

The mathematical expression for arithmetic growth is:

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Question 7

Objective

In geometric growth, the 'r' in the equation W1 = W0e^rt represents:

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Question 8

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A sigmoid growth curve consists of which of the following phases in correct order?

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Question 9

Objective

Which of the following is NOT a characteristic of cells in the meristematic phase of growth?

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Question 10

Objective

Increased vacuolation and new cell wall deposition are characteristics of cells in which phase of growth?

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Question 11

Objective

Which of the following is the correct definition of differentiation?

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Question 12

Objective

Cork cambium is formed from differentiated parenchyma cells by the process of:

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Question 13

Objective

The ability of plants to follow different developmental pathways in response to environment or phases of life is called:

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Question 14

Objective

Heterophylly in buttercup is an example of:

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Question 15

Objective

Auxin was first isolated by F.W. Went from:

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Question 16

Objective

Which of the following is a synthetic auxin used as a herbicide to kill dicotyledonous weeds?

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Question 17

Objective

Apical dominance is the result of which PGR inhibiting lateral bud growth?

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Question 18

Objective

The 'bakanae' (foolish seedling) disease of rice, which led to the discovery of gibberellins, was caused by:

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Question 19

Objective

Spraying sugarcane with gibberellins increases yield by increasing:

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Question 20

Objective

GA3 is used in the brewing industry to:

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Chapter 13: Plant Growth and Development | MCQs

Which of the following is the correct definition of growth in plants?

The ability of plants to grow throughout their life is due to:

Secondary growth (increase in girth) in dicotyledonous plants is brought about by:

A single maize root apical meristem can produce how many new cells per hour?

In arithmetic growth, plotting the length of an organ against time gives:

The mathematical expression for arithmetic growth is:

In geometric growth, the 'r' in the equation W1 = W0e^rt represents:

A sigmoid growth curve consists of which of the following phases in correct order?

Which of the following is NOT a characteristic of cells in the meristematic phase of growth?

Increased vacuolation and new cell wall deposition are characteristics of cells in which phase of growth?

Which of the following is the correct definition of differentiation?

Cork cambium is formed from differentiated parenchyma cells by the process of:

The ability of plants to follow different developmental pathways in response to environment or phases of life is called:

Heterophylly in buttercup is an example of:

Auxin was first isolated by F.W. Went from:

Which of the following is a synthetic auxin used as a herbicide to kill dicotyledonous weeds?

Apical dominance is the result of which PGR inhibiting lateral bud growth?

The 'bakanae' (foolish seedling) disease of rice, which led to the discovery of gibberellins, was caused by:

Spraying sugarcane with gibberellins increases yield by increasing:

GA3 is used in the brewing industry to:

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