Q. No.A collection of plants and seeds having diverse alleles of all the genes of a crop is called:
1. germplasm
2. gene library
3. genome
4. herbarium
1. germplasm
2. gene library
3. genome
4. herbarium
1. Brassica
2. Zea maize
3. Jatropha
4. Pongamia
1. maize
2. sugarcane
3. wheat
4. chilli
1. transformation
2. splicing
3. metamorphosis
4. heterosis
Breeding of crops with high levels of minerals, vitamins, and proteins is called:
| 1. | somatic hybridization |
| 2. | biofortification |
| 3. | biomagnification |
| 4. | micropropagation |
Which one is the wrong pairing for the disease and its causal organism?
1. Late blight of potato: Alternaria solani
2. Black rust of wheat-Puccinia graminis
3. Loose smut of wheat-Ustilago nuda
4. Root-knot of vegetables-Meloidogyne sp
Consider the following four measures (A.D) that could be taken to successfully grow chickpeas in an area where bacterial blight disease is common:
| (A) | spray with Bordeaux mixture |
| (B) | control of the insect vector of the disease pathogen |
| (C) | use of only disease-free seeds |
| (D) | use of varieties resistant to the disease |
Which two of the above measures can control the disease?
1. B and C
2. A and B
3. C and D
4. A and D
1. Bacterial leaf blight of rice
2. Downy mildew of grapes
3. Loose smut of wheat
4. Black rust of wheat
1. Xanthomonas
2. Pseudomonas
3. Alternaria
4. Erwinia
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