Strategies for Enhancement in Food Production MCQ Questions & Answers in Botany

91. Botanical name of bajra is

A Triticum aestivum

B Pennisetum typhoides

C Zea mays

D Sorghum vulgare

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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

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93. Which amongst the following is fibre yielding

A Triticum aestivum

B Crotalaria juncea

C Cicer arietinum

D Impatiens balsamina

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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

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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

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96. Maximum fat contents are present in the meat of

A Park

B Mutton

C Beef

D Chicken

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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

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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

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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

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100. To increase milk yield, cow is given

A Sorbitol

B Stilbesterol

C Prolaction

D Ganodotrophin

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91. Botanical name of bajra is

92. Which part would be most suitable for raising virus-free plants for micropropagation?

93. Which amongst the following is fibre yielding

94. Sesbania rostrata is preferred as green manure over other species beceuse

95. Methods of selection in plants showing vegetative propagation is

96. Maximum fat contents are present in the meat of

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 ?

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:

99. In crop improvement programme haploids are of great importance , because they

100. To increase milk yield, cow is given

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