EASY
Earn 100

What is the plant breeders kit?

Important Questions on Improvement in Food Production

MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Choose the correct combinations
I) Pusa swarnim - Brassica - White rust resistance
II) Pusa gaurav - Brassica - Fruit borer resistance
III Pusa sawani - Bhindi - Fruit borer resistance
IV) Pusa sadabahar - Chilli - Leaf curl resistance
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
What is the meaning of biofortification? Explain.
EASY
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
In mung bean, resistance to yellow mosaic virus and powdery mildew were induced by:
HARD
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Describe in brief the outbreeding devices for cross pollination in angiosperms with example. Mention any two characteristics of insect pollinated flower.
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Define artificial selection, natural selection and adaptation.
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding

Match the following lists:

  List-I   List-II
  Crop bred by hybridization   Resistance to disease
(A) Wheat (I) Block rot and curl blight black rot
(B) Brassica (II) Mosaic virus, leaf curl
(C) Cauliflower (III) Leaf and stripe rust, hill bunt
(D) Cowpea (IV) White rust
    (V) Bacterial blight

The correct match is:

MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Explain the Interspecific hybridization with example.
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding

What is biofortification?

MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Why is self-pollination procedure essential among different progeny hybrids for the selection of new recombinants in plant breeding programme?
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
"Nowadays biofortification is considered as the most practical means to improve health". Analyse by giving two points.
EASY
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
What is meant by emasculation? How is it useful in plant breeding programme?
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
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>Biology and Human Welfare>Improvement in Food Production>Plant Breeding

Give reasons for the following:

Bagging is essential in artificial hybridisation.

EASY
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Identify the correct order of steps involved in Artificial hybridization in plants:
HARD
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Which options shows the correct sequence of artificial hybridisation/pollination?
EASY
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Triticale has been evolved by intergeneric hybridization between
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding

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

MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
Give a reason for the hybrid seeds have to be produced year after year.
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
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.
MEDIUM
Biology>Biology and Human Welfare>Improvement in Food Production>Plant Breeding
In maize, hybrid vigour is exploited by: