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Strategies for Enhancement in Food Production Test - 28

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Strategies for Enhancement in Food Production Test - 28
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  • Question 1
    1 / -0
    In bees, dance is meant for 
    Solution
    The honey bees exhibit 2 types of dance, the round dance and the tail-wagging or waggle dance.
    It is meant for communication the location for the sources of food. 
    Therefore, the correct answer is option D.
  • Question 2
    1 / -0
    Which one of the following pairs is not correctly matched?
    Solution
    Correct option: C
    Explanation:
    • Serratia is a human pathogen causing urinary tract infections.

    • Drug addiction is caused due to regular and overconsumption of drugs such as weeds, heroin, marijuana, etc.
    • It greatly affects our nervous system and makes us dull.
  • Question 3
    1 / -0
    In poultry broiler, finish mash is fed to the chicks between .......... weeks.
    Solution
    In poultry farm, there is two type of bird egg producing layers and meet producing broilers. Broilers are domesticated fowl, bred and raised specifically for meat production. Finish mash is fed to the chicks between 7-10 weeks. It helps to build the muscles which are mainly used for meat production.
    Therefore, the correct answer is option B.
  • Question 4
    1 / -0
    European bee is called as 
    Solution
    Apis mellifera also known as the western honey bee or European honey bee is a species of honey bee. It naturally occurs in Europe, the Middle East, and Africa. It is so named because it produces large amounts of honey. European honey bees are variable in color but are some shade of black or brown intermixed with yellow. Hence, option D is correct.
  • Question 5
    1 / -0
    SCP made for human consumption as a balanced diet by CFTRI, Mysore is a
    Solution
    • The dried cells of microorganisms such as bacteria, fungi, yeasts and algae that are grown in large-scale culture systems as proteins for human or animal consumption are collectively known as single-cell protein. 
    • SCP made for human consumption as a balanced diet by CFTRI, Mysore is a dried mass of Spirulina.
    • Spirulina is considered the best source. The composition of the biomass, including the high protein content, low content in nucleic acids, the occurrence of high concentrations of vitamins and other growth factors, and the presence of cell wall that is more easily digestible than that of other microbes indicate that Spirulina is a promising source of food or feed.

    So, the correct answer is option C.
  • Question 6
    1 / -0
    ............ is a breeding of closely or distantly related individuals to produce new crop varieties.
    Solution
    • Cross breeding is the breeding of closely or distantly related individuals to produce new crop varieties or lines with desirable properties. 
    • Inbreeding is the mating of organisms closely related by ancestry.
    • Outbreeding refers to matings between individuals from different populations, subspecies, or species. 
    • Mating of animals within the same breed, but having no common ancestors on either side of their pedigree up to 4-6 generations is called outcrossing. The resulting offsprings are called outcross.
    • Interspecific hybridization is the crossing of two species from the same genus. This allows the exploitation of useful genes from wild, unimproved species for the benefit of the cultivated species.
    So, the correct answer is 'Cross breeding'.
  • Question 7
    1 / -0
    Why haploids are preferred in breeding programmes?
    Solution
    Haploid cell is a cell having a single set of  chromosomes. Because a haploid plant contains only one set of chromosomes, there is no such phenomenon, as dominant characters mask recessive characters. Recessive characters, therefore, emerge rather frequently.
    Thus, the correct answer is option A.
  • Question 8
    1 / -0
    In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called as _____.
    Solution
    Germplasm is the living genetic resources that fulfill the purpose of animal and plant breeding, preservation and other research use. Germplasm contains all the diverse alleles for all genes in a given organism.
    So, the correct answer is 'Germplasm collection'
  • Question 9
    1 / -0
    In culture fishery, the fingerlings are developed in
    Solution
    Juvenile fish are called as fingerlings and are typically the size of human fingers. A culture fishery is  a method of cultivation of selected fish in confined areas so as to get maximum yield. The procedure which involves stocking of seeds, nursing and rearing in confined waters, usually takes place in ponds. Up to the fingerling stages, these are developed in nursery ponds. 
  • Question 10
    1 / -0
    Why are haploids selected for inducing mutation in plant breeding?
    Solution
    Mutation techniques have already proven their potential for generating useful variability for plant breeding. haploids are selected for inducing mutation in plant breeding because it exhibits the recessive traits and the dominant traits are expressed.
    So the correct option is B.
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