Mutations in plant cells can be induced by:
1. Gamma rays
2. Zeatin
3. Kinetin
4. Infrared rays
Which of the following is not an objective of Biofortification in crops?
1. Improve vitamin content
2. Improve micronutrient and mineral content
3. Improve protein content
4. Improve resistance to diseases
Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?
1. | Cow is fertilized by artificial insemination |
2. | Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage |
3. | Cow is administered hormone having LH like activity for superovulation |
4. | Cow yields about 6-8 eggs at a time |
Which of the following crops have been brought to India from the New World:
1. Cashewnut, potato, rubber
2. Mango, tea
3. Tea, rubber, mango
4. Coffee
Which of the following secretes toxins during storage conditions of crop plants:
1. Aspergillus
2. Penicillium
3. Fusarium
4. Colletotrichum
Which fungal disease spreads by seed and flowers:
1. Loose smut of Wheat
2. Corn stunt
3. Covered smut of Barley
4. Soft rot of Potato
India's wheat yield revolution in the 1960s was possible primarily due to:
1. Increased chlorophyll content
2. Mutations resulting in plant height reduction
3. Quantitative trait mutations
4. Hybrid seeds
Why is vivipary an undesirable character for annual crop plants?
1. | It reduces the vigour of the plant |
2. | The seeds exhibit long dormancy |
3. | It adversely affects the fertility of the plant |
4. | The seeds cannot be stored under normal conditions for the next season |
The world's highly prized wool-yielding 'Pashmina' breed is:
1. Kashmir sheep-Afghan sheep cross
2. Goat
3. Sheep
4. Goat-sheep cross
Three crops that contribute maximum to global food grain production are:
1. Wheat, rice, and maize
2. Rice, maize, and sorghum
3. Wheat maize, and sorghum
4. Wheat, rice, and barley