With reference to vegetative propagation in plants, consider the following statements: 1. It can result in earlier flowering and fruiting than seed propagation. 2. It enables multiplication of plants that no longer produce seeds. 3. It helps maintain parental traits due to genetic similarity. 4. It is not used for grapes. Which of the statements given above are correct?

Correct Option The correct option is 1, 2 and 3 only. Explanation Vegetative propagation is a form of asexual reproduction in plants where new individuals arise from vegetative parts such as roots, stems, or leaves, rather than from reproductive organs (seeds). This process produces offspring that are genetically identical to the parent plant. Statement-wise Analysis - Statement 1 is Correct: Plants produced through vegetative propagation bypass the initial seed germination and seedling establishment phases. Consequently, they mature faster and produce flowers and fruits earlier than plants grown from seeds. - Statement 2 is Correct: This method is essential for the multiplication of plants that have lost the capacity to produce viable seeds or produce seeds that are difficult to germinate. Common examples include banana, rose, jasmine, and seedless oranges. - Statement 3 is Correct: Since vegetative propagation involves mitotic cell division without the fusion of gametes, there is no genetic recombination. The offspring are clones of the parent, ensuring that desirable parental traits are preserved generation after generation. - Statement 4 is Incorrect: Grapes are widely propagated using vegetative methods, particularly through stem cuttings and layering. This ensures the consistency of fruit quality and variety, which might vary if grown from seeds. Key Takeaway Key Takeaway: Vegetative propagation allows for the rapid multiplication of plants, preservation of genetic purity (cloning), and propagation of species that cannot produce viable seeds.

With reference to vegetative propagation… - NCERT Class 10 Science MCQ

NCERT Class 10 Science — Chapter 3: How do Organisms Reproduce?

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With reference to vegetative propagation in plants, consider the following statements:

It can result in earlier flowering and fruiting than seed propagation.
It enables multiplication of plants that no longer produce seeds.
It helps maintain parental traits due to genetic similarity.
It is not used for grapes.

Which of the statements given above are correct?

NCERT textbook question

From NCERT Science - class 10 · Page 6

Options

A1 and 4 only
B1, 2, 3 and 4
C2, 3 and 4 only
D1, 2 and 3 only

Did you get this right?

Solution

Correct Option

The correct option is 1, 2 and 3 only.

Explanation

Vegetative propagation is a form of asexual reproduction in plants where new individuals arise from vegetative parts such as roots, stems, or leaves, rather than from reproductive organs (seeds). This process produces offspring that are genetically identical to the parent plant.

Statement-wise Analysis

Statement 1 is Correct: Plants produced through vegetative propagation bypass the initial seed germination and seedling establishment phases. Consequently, they mature faster and produce flowers and fruits earlier than plants grown from seeds.
Statement 2 is Correct: This method is essential for the multiplication of plants that have lost the capacity to produce viable seeds or produce seeds that are difficult to germinate. Common examples include banana, rose, jasmine, and seedless oranges.
Statement 3 is Correct: Since vegetative propagation involves mitotic cell division without the fusion of gametes, there is no genetic recombination. The offspring are clones of the parent, ensuring that desirable parental traits are preserved generation after generation.
Statement 4 is Incorrect: Grapes are widely propagated using vegetative methods, particularly through stem cuttings and layering. This ensures the consistency of fruit quality and variety, which might vary if grown from seeds.

Key Takeaway

Key Takeaway: Vegetative propagation allows for the rapid multiplication of plants, preservation of genetic purity (cloning), and propagation of species that cannot produce viable seeds.

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