STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
STRATEGIES FOR ENHANCEMENT IN FOOD PRODUCTION
Questions
Consider the following sentences regarding Dairy Farm management. I. The quantity of breeds in the farm primarily determines the milk yield. II. It deals with processes and systems that increase yield and improve quality of milk. III. The quality and quantity of milk produce is dependent upon the quantity of food, the cattle consumes. Which of the above statements is/are incorrect?
- Only I
- Only II
- Only III
- Both I and II
- Both I and III
Continued inbreeding, especially close inbreeding, usually reduces fertility and even productivity. This is called __________.
- Homozygosity
- Inbreeding depression
- Pureline
- Improved breed
- Heterozygosity
Which of the following statement(s) is/are incorrect?I. Out-crossing allows the desirable qualities of two different breeds to be combined.II. Hisardale is a new breed of sheep developed in Punjab by crossing Bikaneri ewes and Marino rams.III. Cross-breeding is the best breeding method for animals that are below average in productivity in milk production, growth rate in beef cattle, etc.
- Only I
- Only II
- Only III
- Both I and II
- Both I and III
The main steps in breeding a new genetic variety of a crop are:
- Collection of variability
- Cross hybridization among the selected parents
- Testing, release and commercialization of new cultivars
- Evaluation and selection of parents
- Selection and testing of superior recombinants
What is the correct sequence of these steps?
- 1, 2, 3, 4, 5
- 1, 4, 2, 5, 3
- 1, 4, 5, 2, 3
- 1, 5, 4, 3, 2
Consider the following statements and find out the correct ones.I. One of the alternate sources of proteins for animal and human nutrition is Single Cell Protein (SCP).II. Microbes like Spirulina can be grown easily on materials like waste water from potato processing plants (containing starch), straw, molasses, animal manure and even sewage.III. Methylotrophus, because of its high rate of biomass production and growth, can be expected to produce 25 tonnes of protein.
- Only I and II
- Only II and III
- Only I
- Only I and III
- All I, II and III
Consider the following statements:I. Crosses between different breeds are called out-breeding.II. The practice of mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4-6 generations, is known as Cross-breeding.III. The method in which superior males of one breed are mated with superior females of another breed is known as Out-crossing.Which of the above statement(s) is/are correct?
- Only I
- Only II
- Only III
- Both I and II
- Both I and III
The capacity to generate a whole plant from any cell is called __________.
- Explant
- Totipotency
- Mutation
- Hybridization
- Breeding
Consider the following varieties of crops.I. Pusa GauravII. Pusa Sem 2III. Pusa Sem 3IV. Pusa SawaniV. Pusa A-4Which of the above varieties of crop are not of Okra (Bhindi)?
- IV, V only
- I, IV, V only
- I, II, III only
- II, III only
- I, III, V only
Consider the following sentences regarding Animal Husbandry.I. It is the agricultural practice of breeding and raising livestock.II. It deals with the care and breeding of livestock like buffaloes, cows, pigs, horses, cattle, sheep, camels, goats, etc., that are useful to humans.III. It is estimated that more than 70 per cent of the world livestock population is in India itself.Which of the above statements is/are correct?
- Only I
- Only II
- Only III
- Both I and II
- Both II and III
Brassica is resistant to which of the following diseases?
- Leaf and stripe rust
- Hill bunt
- White rust
- Black rot
- Bacterial blight
Which of the following is a variety of ‘cowpea’?
- Himgiri
- Pusa Swarnim
- Pusa Shubhra
- Pusa Komal
- Pusa Sadabahar
In mung bean, resistance to yellow mosaic virus and powdery mildew was induced by
- heterozygosity
- pure line
- mutation
- homozygosity
- None of these