EASY
Earn 100

In plants, mosaic formation, leaf rolling and curling, yellowing and vein clearing are the symptoms of
(a)Viral diseases
(b)Bacterial diseases
(c)Protozoan diseases
(d)Fungal diseases

50% studentsanswered this correctly
Important Questions on Strategies for Enhancement in Food Production
EASY
Which one of the following is NOT enriched by vitamin C by IARI?

EASY
The oil content and quality of groundnut variety were improved by plant breeding techniques. This is an example of

EASY
Golden rice is genetically engineered to have greater content of _________.

EASY
Identify two rice varieties used developed as semi dwarf variety of rice:

MEDIUM
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:

EASY
Which of the following is not an objective of biofortification in crops?

EASY
'Sonalika' and Kalyansona' are the high yielding 'semi-dwarf varieties of wheat, introduced from ________.

HARD
Study the given table and identify a, b, c, d, e and f:


MEDIUM
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

EASY
Germplasm collection refers to

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Identify the correct combination from the following crops their variety and effect.

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Which one of the following is not a bacterial disease?

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Pusa Gaurav variety of Brassica is resistant to:

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Mutations in plant cells can be induced by:

HARD
A corn farmer has perennial problem of corn-borer infestation in his crop. Being environmentally conscious he does not want to spray insecticides. Suggest solution based on your knowledge of biotechnology. Write the steps carried out to achieve it.

MEDIUM
Sukhvinder used conventional farming practices to eradicate pests from his farm. Inspite of that, his hybrid crop yield declined over the years as the seed set was affected. This is due to

HARD
What are bio pesticides? Write briefly on bio pesticides with examples.

EASY
Now-a-days agricultural practice is expensive to the farmers as they need to purchase hybrid seeds every year. Which of the following strategies can be employed to overcome this problem?

EASY
White rust resistant variety of Brassica is

EASY
In mung bean, resistance to yellow mosaic virus and powdery mildew were induced by:

