EASY
Earn 100

Define hybridization in plants.

Important Questions on Crop Production and Management

EASY
Science>Biology>Crop Production and Management>Agricultural Practices
What is meant by emasculation? How is it useful in plant breeding programme?
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
What is the meaning of biofortification? Explain.
EASY
Science>Biology>Crop Production and Management>Agricultural Practices
What is interspecific hybridization? Write an example.
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
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
Science>Biology>Crop Production and Management>Agricultural Practices
Define artificial selection, natural selection and adaptation.
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
"Nowadays biofortification is considered as the most practical means to improve health". Analyse by giving two points.
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
Explain the Interspecific hybridization with example.
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
Why is self-pollination procedure essential among different progeny hybrids for the selection of new recombinants in plant breeding programme?
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices

Give reasons for the following:

Bagging is essential in artificial hybridisation.

EASY
Science>Biology>Crop Production and Management>Agricultural Practices
Identify the correct order of steps involved in Artificial hybridization in plants:
HARD
Science>Biology>Crop Production and Management>Agricultural Practices
Which options shows the correct sequence of artificial hybridisation/pollination?
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
In plant A, 2n = 12 and in plant B, 2n = 16 then the ploidy number of cross breeding plant is:
EASY
Science>Biology>Crop Production and Management>Agricultural Practices
The new varieties of plants are produced by
EASY
Science>Biology>Crop Production and Management>Agricultural Practices
What is meant by emasculation? When and why does a plant breeder employ this technique?
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices

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
Science>Biology>Crop Production and Management>Agricultural Practices
Triticale has been evolved by intergeneric hybridization between
MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
Give a reason for the hybrid seeds have to be produced year after year.
HARD
Science>Biology>Crop Production and Management>Agricultural Practices
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
Science>Biology>Crop Production and Management>Agricultural Practices

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}

MEDIUM
Science>Biology>Crop Production and Management>Agricultural Practices
Plan an experiment and prepare a flow chart of the steps that you would follow to ensure that the seeds are formed only from the desired sets of pollen grains. Name the type of experiment that you carry out.  Write the importance of such experiments.