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Domesticated plants that provide food and another benefit to humans themselves rely on humans.

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Important Questions on Plant Breeding

EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
The chemical used in the field to eradicate weeds is:
MEDIUM
Biology>Economic Botany>Plant Breeding>Domestication of Plants
What is the meaning of biofortification? Explain.
EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
What is interspecific hybridization? Write an example.
EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
What is meant by emasculation? How is it useful in plant breeding programme?
MEDIUM
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Define artificial selection, natural selection and adaptation.
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Biology>Economic Botany>Plant Breeding>Domestication of Plants
Assertion (A): Hybrid breeding led to the development of high-yielding bajra with resistance to water stress.
Reason (R): In millet crops, yield is low under drought conditions.
The correct option among the following is:
MEDIUM
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Explain the Interspecific hybridization with example.
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Biology>Economic Botany>Plant Breeding>Domestication of Plants
"Nowadays biofortification is considered as the most practical means to improve health". Analyse by giving two points.
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Biology>Economic Botany>Plant Breeding>Domestication of Plants
Why is self-pollination procedure essential among different progeny hybrids for the selection of new recombinants in plant breeding programme?
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Biology>Economic Botany>Plant Breeding>Domestication of Plants

Give reasons for the following:

Bagging is essential in artificial hybridisation.

EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Identify the correct order of steps involved in Artificial hybridization in plants:
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Biology>Economic Botany>Plant Breeding>Domestication of Plants
The new varieties of plants are produced by
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Biology>Economic Botany>Plant Breeding>Domestication of Plants
In plant A, 2n = 12 and in plant B, 2n = 16 then the ploidy number of cross breeding plant is:
HARD
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Which options shows the correct sequence of artificial hybridisation/pollination?
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Biology>Economic Botany>Plant Breeding>Domestication of Plants

Arrange the following events in the correct sequential order as observed in artificial hybridisation program and select the correct option.

1. Re-bagging
2. Selection of parents
3. Bagging
4. Dusting the pollen on stigma
5. Emasculation
6. Collection of pollen from the male parent

EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
What is meant by emasculation? When and why does a plant breeder employ this technique?
EASY
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Triticale has been evolved by intergeneric hybridization between
MEDIUM
Biology>Economic Botany>Plant Breeding>Domestication of Plants
Give a reason for the hybrid seeds have to be produced year after year.
HARD
Biology>Economic Botany>Plant Breeding>Domestication of Plants
As a senior biology student, you have been asked to demonstrate to the students of secondary level in your school, the procedure(s) that shall ensure cross pollination in a hermaphrodite flower. List the different steps that you would suggest and provide reason for each one of them.
MEDIUM
Biology>Economic Botany>Plant Breeding>Domestication of Plants

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}