True-False

Question 11 Mark

Tissue culture is the most modern method of vegetative propagation. [True/ False]

Answer

True.
Explanation:
This is a modern method of vegetative reproduction. In this method a piece of tissue is cut from the plant the removed tissue is called explant.

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Question 21 Mark

Asexual reproduction is the complex method of reproduction. [True/ False]

Answer

False.
Explanation:
In asexual reproduction, an individual can reproduce without involvement with another individual of that species. The division of a bacterial cell into two daughter cells is an example of asexual reproduction.

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Question 31 Mark

Ultimate cause of variations among living beings is alteration in DNA sequence in the genes. [True/ False]

Answer

True.
Explanation:
A mutation is a permanent alteration to a DNA sequence. In this course we focus on heritable genetic variation, i.e. variation that occurs in germ cells.

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Question 41 Mark

Number of chromosomes in gametes is equal to the chromosomes in parental cells. [True/ False]

Answer

True.
Explanation:
The purpose of meiosis is to shuffle genetic information and cut the cellular chromosome number in half, from 46 chromosomes to 23 chromosomes.

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Question 51 Mark

Yeast reproduces through binary fission. [True/ False]

Answer

False.
Explanation:
Yeast cells reproduce through budding or binary fission which are both methods of asexual reproduction.

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Question 61 Mark

Reproduction give rise to more organisms with the different basic characteristics. [True/ False]

Answer

True.
Explanation:
The process of reproduction ensure continuity of life on earth. Reproduction give rise to more organism with the same basic characteristics as their parents.

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