91. Botanical name of bajra is

A Triticum aestivum
B Pennisetum typhoides
C Zea mays
D Sorghum vulgare
Answer :   Pennisetum typhoides
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92. Which part would be most suitable for raising virus-free plants for micropropagation?

A Bark
B Vascular tissue
C Meristem
D Node
Answer :   Meristem
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93. Which amongst the following is fibre yielding

A Triticum aestivum
B Crotalaria juncea
C Cicer arietinum
D Impatiens balsamina
Answer :   Crotalaria juncea
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94. Sesbania rostrata is preferred as green manure over other species beceuse

A It grows quickly
B It has well developed root system
C It possesses leaf nodules
D It possess nodules on both stem & root
Answer :   It possess nodules on both stem & root
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95. Methods of selection in plants showing vegetative propagation is

A Clonal selection
B Mass selection
C Pureline selection
D Pedigree selection
Answer :   Clonal selection
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96. Maximum fat contents are present in the meat of

A Park
B Mutton
C Beef
D Chicken
Answer :   Beef
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97. Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield ?

A Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
B Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid
C Application of iron and magnesium to promote synthesis of chlorophyll
D Frequent irrigation of the crop
Answer :   Application of iron and magnesium to promote synthesis of chlorophyll
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98. In plant breeding programmes, the entire collection (of plants/seeds) having all the diverse alleles for all genes in a given crop is called:

A cross-hybridisation among the selected parents
B evaluation and selection of parents
C germplasm collection
D selection of superior recombinants
Answer :   germplasm collection
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99. In crop improvement programme haploids are of great importance , because they

A Grow better under adaverse conditions
B Are useful in studies for meiosis
C Require only about half the amount of chemical fertilizers compared to diploids
D Give homozygous lines following diplodisation
Answer :   Give homozygous lines following diplodisation
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100. To increase milk yield, cow is given

A Sorbitol
B Stilbesterol
C Prolaction
D Ganodotrophin
Answer :   Stilbesterol
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