PLANT SCIENCES-2008

 

1. Generally pulses are deficient in

(A)  Methionine and lysine 

(C) Tryptophan  

2. The modern wheat varieties are

(A)  Photoinsensitive  

(C)  Photo-and thermo-sensitive

(B) Tryptophan and methionine

(D) Lysine

(B) Thermoinsensitive

(D) Photo-and termo-insensitive

3. The Source of reduced height (rht) genes used in wheat breeding is

(A)  Norin 10   

(B) Tom Thumb

(C) Norin 10 and Tom Thumb

(D) Dee-geo-woo-gen

4. CPRI (Shimla) stands for

(A) Central Pulses Research Institute  

(B)  (B) Central Potato Research Institute

(C) Central Peanut Research Institute  

(D) Central Plantation Research Institute

(C)B and R lines  

5. Which of the following three generation systems of multiplication is followed for seed

production in India?

(A) Nucleus seed-foundation seed-certified seed

(B) Breeder seed-foundation seed-certifies seed

(C) Breeder seed-foundation seed-registered seed

(D) Nucleus seed-registered seed-certifies seed

6. Two line system of hybrid seed production is based on 

(A) A and B lines  

(B) A and R lines

(D) A line and B or R line

7. The factors responsible for cytoplasmic male sterility are located in 

(A)  DNA   

(B)  Nuclear DNA

(C) Mitocholndrial DNA 

(D) Chloroplast DNA

8. The world’s first high yielding semidwarf aromatic rice variety is

(A) Texamati   

(B) T 9

(C)Taraori Basmati  

9. Texamati rice was patented by 

(A) Monsanto   

(C) Agracetus   

(D) Pusa Basmati 1

(B) Delta-Pine Land

(D) Ricetek

10. Heterosis due to dominance gene effects is best exploited by

(A) Synthetic varieties 

(B) Composite varieties

(C) Hybrid varieties  

(D) Open-pollinated varieties 

 

 

 

11. Germplasm is also called

(A) Gene pool    (B) Genetic resource

(C)Gene Bank               (D) World collection 

 

12. NBPGR is responsible for the introduction and maintenance of germplasm of 

(A) Agricultural Crops

(B) Agricultural and horticultural crops

(C) Horticultural crops

(D) Agricultural, horticultural and forest plant species

 

13. The cultivated banana is a

(A) Diploid    (B) Autotriploid

(C) Allotriploid   (D) Allotetraploid

 

14. Genetic drift is also called

(A) Genetic erosion   (B) Random drift

(C) Genetic slippage   (D) Genetic loss

 

15. Which is the most correct about cells present in an embryo sac?

(A) Egg cell, two antipodal cells, a secondary nucleus and two synergids

(B) Egg cells, two synergids and a secondary nucleus

(C) A 2n secondary nucleus, one egg cell and three antipodal cells

(D) Three antipodal cells, two synergids, one egg cell and one 2n secondary nucleus

 

16. Which is the most common source of  commercially used male sterility?

(A) Induced mutations

(B) Spontaneous mutations

(C) Genetic engineering

(D) Interspecific hybridization

 

17. In case a dihybrid crosses, how many types of gametes will be produced by F1?

(A) 2     (B) 4

(C) 9     (D)16

 

18. Crossing over occurs during

(A) Leptotene    (B) Zygotene

(C)Pachytene    (D) Diptotene

 

19. The number of single crosses in a full diallel is equal to 

(A) N(n-1)    (B) 2n (n-1)

(C) n2     (D) n(n-1)/2

 

20. The terms genotype and phenotype were given by

(A) Bateson    (B) Mendel

(C) Johannsen    (D) Morgan

 

 

 

21. Self-pollination increases

(A) Homozygosity  

(C) Heterogeneity  

(B) Heterozygosity

(D) Homogeneity 

22. Purity of existing pureline varieties can be maintained by following

(A) Pureline selection  

(B) Mass selection

(C) Pedigree selection 

23. Pusa baisakhi is a variety of 

(A) Cowpea   

(C) Mungbean  

(D) Recurrent selection 

(B) Frenchbean

(D) Urdbean

24. In case of barley, one chief character is

(A) Chapati making quality 

(B) Milling quality

(C) Baking quality  

(D) Malting quality 

25. An off-season crop of wheat and barley may be grown at

(A) Wellington (Tamil Nadu)

(B) Kulu valley (Himachal Pradesh)

(C) Bikaner (Rajasthan)

(D) Jorhat (Assam)

26. HUW-234 is a variety of

(A)Pea   

(C)Wheat    

(C)T. timopheevi  

28. Ratooning is practiced for cultivation of

(A) Maize   

(C)Apple   

(B) Rice

(D) Pigeonpea 

27. Leaf rust resistance in wheat (Triticum aestivum)hass been transferred from 

(A) T. monococcum  

(B) Aegilops speltoides

(D) All of above 

(B) Mango

(D) Sugarcane  

29. The chief weakness of Single Seed Descent (SSD) scheme is

(A) High demand on resources

(B) Lack of opportunity for selection

(C) Plant loss   

30. Referred as

(A) Extra chromosome 

(C) Alien chromosome 

(D) Loss of high yielding segregants  

(B) Additional chromosome

(D) Iso chromosome 

31. In bulk method, the bulk populations are

(A) Space planted  

(B) Planted at commercial rates

(C) Densely planted  

(D) Also grown in off-season nurseries 

 

 

 

 

32. Self-and often-cross pollinated crops show considerable extent of

(A) Inbreeding depression  (B) Heterosis and additive variance

(C) Additive variance   (D) Heterosis 

 

33. Populations of cross-pollinated crop species are highly

(A) Heterozygous and heterogeneous

(B) Heterozygous and homogeneous

(C) Homozygous and heterogeneous

(D) Homozygous and homogeneous

 

34. The simplest form of progeny selection is

(A) Recurrent selection for gca (B) Mass slection

(C) Ear-to-row method  (D) Simple recurrent selection 

 

35. Selection for simply inherited traits is started from

(A) F2     (B) F3

(C) F4     (D) F5

 

36. In crop improvement programmes which is the most commonly used

(A) Intergeneric hybridization

(B) Interspecific hybridization

(C) Intervarietal hybridization

(D) Distant hybridization

 

37. Triticale was first produced by

(A) Karpechenko   (B) Darwin

(C) Rimpau    (D) Ladzinske 

 

38. Somatic (2n) chromosome number in breadwheat is

(A) 14     (B) 28

(C) 42     (D) 56

 

39. ????

(A) Prevent selfing   (B) Promote crossing

(C)Promote seed set   (D) Prevent outcrossing

 

40. Sugarcane varieties are ordinarily developed through

(A) Mutation breeding   (B) Intervarietal hybridization

(C) Interspecific hybridization (D) Intergeneric hybridization 

 

41. Selfing reduces heterozygosity in each generation by the factor

(A) 1/8     (B) 1/4

(C) 1/3     (D) 1/2

 

42. Totepotency refers to 

(A) Ability of somatic cells to develop into a whole palnt

(B) Ability of dormant seed to produce seedling

 (C) Ability of parthenocarpic seed to produce seedling

(D) Ability of dormant seed to produce a whole plant 

43. When a single cross hybrid is crossed with an open pollinated variety, it is termed as

(A) Test cross   

(B) Top cross

(C) Double top cross  

(D) Three-way cross 

44. India is the second country after China to have developed hybrids in

(A) Maize   

(B) Castor

(C) Cotton   

45. Varalaxmi is a

(A) Inter hirsutum cotton hybrid

(C) Inter specific cotton hybrid

(D) Rice 

(B) Inter arborium cotton hybrid

(D) O.P. cotton variety 

46. In India, the crop in which a hybrid variety was first developed was

(A) Cotton   

(B) Maize

(C) Sorghum   

47. Transcription redress to

(A) DNA synthesis  

(C) Protein synthesis  

(C) 2:4   

49. Generally cereals are deficient in

(A) Methionine  

(C) Lysine   

(D)Bajra 

(B) m-RNA synthesis

(D) Cell division 

48. The present single cross hybrid varieties of maize are produced by planting male and

female inbreds in the ration of 

(A) 1:4    

(B) 2:2

(D) 2:6

(B) Proline

(D) Tryptophan 

50. Groundnut (Agachis hypogea L.) us 

(A) Self pollinated  

(C) Often cross pollinated 

(B) Cross pollinated

(D) Vegetatively propagate

51. Which male sterility system is the most general in its application?

(A) Genetic   

(B) Polygenic traits

(C) Cytoplasmic-genetic 

(D) Chemically induced

52. The backcross method of inbred improvement is used for the transfer of

(A) Oligogenic traits  

(B) Polygenic traits

(C) Disease resistance 

(D) Chemically induced  

53. The concept of gene-for gene relationship between host and pathogen was proposed by  

(A) Van der Plank  

(B) Flor

(C) Browning   

(D) Marshall 

54. Inability of plants to resist the attack of a given pathogen is referred as

(A) Resistance   

(B) Tolerance

(C) Susceptibility  

(D) Severity 

55. The terms vertical and horizontal resistance were introduced by

(A) Van der Plank  

(B) Flor

(B) Browning   

(D) Marshall 

56. Excessive cell division resulting in overgrowth of the diseased plant part is known as

(A) Hyperplasia  

(B) Hypertrophy

(C) Atrophy   

(D) Hypotrophy

57. The causal organism of leaf rust in wheat is

(A) Puccinia striformis 

(B) P. graminis pv. tritici

(C) P. recondite pv. tritici 

(D) P. graminis maydis 

58. Genetics of pathogenicity progresses due to discovery of new

(A) Genes for resistance 

(B) Hosts for pathogens

(C) Genes for virulence 

59. The gene cry 1Ac was isolated from

(A) Bacillus thuringienses 

(C) Escherichia coli  

61. Wheat variety C 306 is resistant to

(A) Saline soil   

(C) Alkali soil   

(D) Genes for resistance and for virulence 

(B) Agrobacterium tumefaciens 

(D) Rhizobium sp. 

60. Which of the following cases of insect resistance is governed by polygenes?

(A) Cereal leaf beetle(wheat)

(B) Spotted alfalfa aphid

(C) Greenbug (wheat)

(D) Cereal leaf beetle and greenbug

(B) Acidic Soil

(D) drought 

62. Loose smut of wheat disease can be controlled by seed treatment with

(A) GA   

(B) Vitavax

(C) Thiram   

(D) Metalaxyl

63. The term mutation was introduced by

(A) Bateson   

(B) Gustafsson

(C) Muller   

64. Nullisomics produce gametes with

(A) n+1   

(C) n    

(D) Hugo de Vries 

(B) n-1

(D) n+1-1

65. recessive mutations can be earliest selected in

(A) M1 generation  

(B) M2 generation

(C) M3 generation  

(D) M4 generation 

 

 

66. The frequency of spontaneous mutations is generally

(A) 10-4    (B) 10-5

(C) 10-6    (D) 10-7

 

 

67. Breadwheat has genomic constitution of

(A) ABC    (B) ABD

(C) ADR    (D) BDR

 

68. Genes suppressing homoeologous pairing in wheat have been located on chromosome

(A) 5A     (B) 5B

(C) 5D     (D) 2A

 

69. The largest number of mutant varieties have been developed in

(A) Cereal crops   (B) Pulse crops

(C) Cash crops              (D) Oilseed crops 

 

70. The gigas mutant of Oenothera lamarckiana was on 

(A) Allopolyploid   (B) Autotetraploid

(C) Allotetraploid   (D) Autotriploid 

 

71. Which of the following is a popular wheat variety?

(A) Mansuri    (B) Jaya

(C) PBW343    (D) Pusa Baisakhi

 

72. Wheat variety Sharbati Sonora is a gamma ray induced mutant of the cultivar

(A) NP 799    (B) Lerma Rojo

(C) K 68    (D) Sonora 64

 

73. The term central dogma refers to the flow of information in which of the following

orders?

(A) DNA-RNA   (B) DNA-RNA-Protein

(C) DNA-Protein-RNA  (D) RNA-DNA-RNA

 

74. Which of the following is transition?

(A) A→T    (B)A→C

(C) A→G    (D)G→T

 

75. One gram of nitrogen is present in how many grams of protein?

(A) 3.25    (B) 6.25

(C) 8.25    (D) 9.25

 

76. Frame-shift mutations are produced by base

(A) Substitution   (B) Deletion

            (C) Addition    (D) Deletion and addition

 

77. Opaque 2 mutant of maize possesses 

(A) High proptein and high lysine

(B) High protein and high tryptophan

 (C) High lysine and low tryptophan

(D) High lysine and high tryptophan 

78. The father of plant tissue culture is

(A) E.C Cocking  

(C) R.J. Gausheret  

(B) P.R White

(D) G. Haberlandt 

79. Recalcitrant seeds

(A) Can be dried at low temperature

(B) Can be stored at low temperature

(C) Cannot be dried

(D) Cannot be dried and stored at low temperature

80. RAPD markers show

(A) Co-dominance  

(C) Over dominance  

(B) Partial dominance

(D) Complete dominance

81. In 3-line hybrid seed production male sterile line is referred as

(A) A-line   

(B) B-line

(C) C-line   

(D) R-line

82. The most commonly used vector for gene transfer in plant is

(A) Ti plasmid  

(C) Ri plasmid  

83. An autotetraploid with all recessive alleles at a locus is known as

(A) Quadriplex   

(C) Simplex   

84. The frequency of crossing over in determined by

(A) Parental genotype

(B) Thickness of chromosomes

(C) Length of chromosomes

(D) Distance between genes

(B) Agrobacterium tumefasciens

(D) Cauliflower mosaic virus 

(B) Duplex

(D) Nulliplex

85. The first seed testing laboratory was established by

(A) Nobbe   

(B) Mendel

(C) Neergard   

(D) Harrington

86. DNA-dependent RNA polymerase binds to

(A) Operator gene  

(B) Promoter gene

(C) Regulator gene  

87. Crop ideotype redress to 

(A) Ideal plant type  

(C) Both   

(D) Structural gene

(B) Model plant type

(D) Neither

88. Dee-gee-woo-gen is the source of dwarfing gene in  

(A) Pearl millet  

(B) Sorghum 

(C) Rice   

(D) Wheat

 

 

89. Drought resistance is associated with

(A) Morphological features  (B) Physiological features

(C) Biochemical factors  (D) All of the above

 

90. Under drought conditions, there is an increase in

(A) Abscisic acid content   (B) Ethylene level

(C) Proline level   (D) All of the above

 

91. Salinity tolerant variety of rice is 

(A) IR 8    (B) IR 20

(C) Mohan    (D) IR 36

 

92. In gametophytic system of self incompatibility, partial fertility will result from a cross

between

(A) S1S2 x S1S2    (B) S1S2 xS1S3

(C) S1S2 x S3S4              (D) None of the above 

 

93. Both additive and none additive gene action is involved in 

(A) Simple recurrent selection

(B) Recurrent selection for gca

(C) Recurrent selection for sca

(D) Reciprocal recurrent selection

 

94. The population of F1 hybrid is 

(A) Homogeneous and homozygous

(B) Homogeneous and heterozygous

(C) Heterogeneous and homozygous

(D) Heterogeneous and heterozygous 

 

95. When heterosis is estimated over the standard commercial check variety, it is called as

(A) Average heterosis   (B) Heterobeltiosis

(C) Useful heterosis   (D) Standard heterosis

 

96. The maximum varieties through mutation breeding in India have been developed by

using

(A) X rays    (B) Gamma rays

(B) UV light    (D) EMS

 

97. Within a cell, the site of aerobic respiration is

(A) Ribosome    (B) Golgi bodies

(C) Mitochondria   (D) Endoplasmic reticulum

 

98. A true fruit develops only from

(A) Thalamus    (B) Nucellus

(C) Ovary    (D) Ovule

 

99. The stomata are shrunken in

(A) Hydrophytes   (B) Mesophytes

(C) Xerophytes   (D) Halophytes

 

     100.Oxygen evolved during photosynthesis comes from

 (A) Atmosphere   (B) Carbon dioxide

            (C) Water    (D) Soil

 

    101.Photosynthesis is measured by

 (A) Photometer   (B) Potometer

     (C) Potentiometer   (D) IRGA

 

    102. The name bacteria was first given by

 (A) Pasteur    (B) Linnaeus

 (C) Ehrenberg    (D) Robert Koch

 

   103. In green plants, photosynthesis taken place in

 (A) Mitochondria   (B) Ribosomes

 (C) Nucleus    (D) Chloroplasts

 

   104. After fertilization, embryo develops from

 (A) Ovary wall   (B) Egg Cell

 (C) Ovary    (D) Synergids

 

   105. Which one is a short day plant?

 (A) Tomato    (B) Pepper

 (C) Soybean    (D) Sunflower

 

   106. Cleistogamy refers to

 (A) Fertilization between distant plants 

 (B) Pollination within the unopened flower

 (C) Fertilization between the flowers of the same plant

 (D) Failure of fertilization upon pollination within the same plant

 

   107. The physical basis of life is

 (A) Cytoplasm    (B) Protoplasm

 (C) Nucleoplasm   (D) Endoplasm

 

   108.  When phloem and cambium are present on both sides of xylem, the vascular bundle

 (A) Collateral    (B) Bicollateral

 (C) Concentric    (D) Radial

 

   109. Kreb’s cycle taken place in

 (A) Chloroplast   (B) Ribosome

 (C) Endoplasmic reticulum  (D) Mitochondria

 

   110. The edible part of mango is

 (A) Endocarp    (B) Mesocarp

 (C) Epicarp    (D) Embryo

 

   111. Which one of the following is a nitrogen fixing bacterium?

 (A) Escherichia   (B) Diplococcus

 (C) Azotobacter   (D) Tuberulosis

112. Which of the following is an essential macronutrient element?

(A) Sulphur   

(B) Iron

(C) Zinc   

(D) Copper

113. ermplasm can be obtained as a

(A) Gift or exchange   

(B) Gift or purchase

(C) Gift or purchase through exchange 

(D) Gift through exchange or purchase or collected through exploration

114. Gene bank is best maintained as

(A) DNA bank  

(B) Seed bank

(C) Field bank  

115. Golden rice is a rich source of

(A) Vitamin A  

(C) Vitamin K  

116. Tetrazolium test is used to determine

(A) Seed quality  

(C) Seed germination  

(D) Shoot tip bank

(B) Vitamin B

(D) Ascorbic acid

(B) Seed viability

(D) Seed purity

117. Green revolution has been most successful in

(A) Wheat and potato  

(C) Wheat and rice  

118. Which crop is known as vegetable meat?

(A) Pea   

(C) Frenchbean  

(C) Synthetic variety  

(C) Lysine       

(B) Rice and barely

(D) Tea and coffee

(B) Soybean

(D) Cowpea

119. An example of heterozygous but homogeneous population is

(A) Pureline   

(B) Open pollinated variety

(D) Hybrid variety 

120. What one of  the following is not a sulphur  containing amino acid ?

(A) Cystiin                            

(B) Cystine

(D) Methionin

121. What will be the  order of  damage caused by various  organism ?

(A) Fungi >virus >bacteria >nematodes

(B)Fungi> bacteria >viruses.nematodes

(C)Bacteria >fungi >nematodes>viruses

(D)Fungi >virus >nematodes.>bacteria 

122. Rust is a 

(A)Soil  borne disease 

(B) Air borne disease 

(C) Seed borne disease

 (D) Insect transmitted disease

123. (A)

(B) Mechanical mixtures

(C) Chromosomal aberrations and mutations

(D) All of above 

124.Which of the following has highest genetic purity?

(A) Foundation seed  

(B) Nucleus seed

(C) Breeder seed  

(D) Certifies seed

125. Which of the following pairs is not correctly matched?

(A) Onion-bulb  

(B) Garlic-clove

(C) Cauliflower-head  

(D) Sweet potato-tuber

126. Which of the following pairs is not correctly matched?

(A) Maize   

(B) Cotton

(C) Soybean   

127. Downy Mildew can be controlled by

(A) Butachlor   

(C) Vitavax   

(D) Mustard

(B) Metalaxyl

128. Progeny of a single plant obtained by asexual reproduction is

(A) Inbred   

(C) Strain   

129. A common crop of natural autopolyploid is

(A) Potato   

(C) Mustard   

(D) Indosulfan

(B) Pureline

(D) Clone

(B) Cotton

(D) Wheat

130. Sorghum is a 

(A) Self-pollinated crop 

(C) Often cross-pollinated crop

131. Bulk method can be used for

(A) Isolation of homozygous lines

(B) Mass selection for certain traits

(B) Cross-pollinated crop

(D) None of the above 

(C) Natural selection to change composition of population

(D) All of the above

132. Which of the following does not beling to family Gramineae (Poaceae)

(A) Wheat   

(B) Rice

 (C) Buckwheat  

133. Photosynthesis occurs more in

(A) Red light   

(C) Orange light  

(D) Oat

(B) Green light

(D) Yellow light

134. Which one of the following is not correctly matched?

(A) Inhibitors-Kinetin 

(B) Auxin-Naphthalene acetic acid

(C) Cytokinins-Zeatin 

(D) Gibberellins-Gibberellic acid 

135. Which of the following pairs is not correctly matched?

(A) Potato tuber moth-Grubs

(B) Rive weevil-Grubs and adults

(C) Pulse beetles-Grubs

(D) Lesser grain borer-Grubs and adults

136. Raising crops with least tillage operation is called

(A)Zero tillage  

(B) No tillage

(C) Minimum tillage  

137. Which one of the following is relay cropping system?

(A) Maize-Mustard-Pearlmillet-Cowpea

(B) Maize-Potato-Wheat-Greengram

(C) Blackgram-Wheat-Greengram

(D) Pearknukket-Mustard-Greengram

(C) Recombination  

(D) Heavy tillage

138. Separation of alleles into different gametes during meiosis is known as

(A) Independent assortment 

(B) Segregation

(D) Cytokinensis

139. Kalyan sona and Sonalika varieties of wheat were developed using introductions from 

CIMMYT through

(A) Acclimatization  

(B) Hybridization

(C) Selection   

140.  

(D) Mutation

The Government of India signed WTO agreement in

(A) 1981   

(B) 1994

(C) 1995   

(D) 1996

141. The genetic purity of the Breeder seed should be

(A) 100%   

(B) 99%

 (C) 98%   

(D) Above 95%

142. Non-traditional areas of rice cultivation include

(A) Uttar Pradesh and Bihar

(B) West Bengal and Orissa

(C) Punjab and Haryana

(D) Tamil Nadu and Andhra Pradesh

143. Epigel germination occurs when

(A) Cotyledons emerge above the soil

(B) Cotyledons remain below the soil

(C) Cotyledons decay during germination

(D) Cotyledons appear only when germinated on blotter paper

144. Which one is essential micronutrient element?

(A) Nitrogen   

(B) Phosphorus

(C) Potash   

145. Capsule is a fruit of

(A) Chickpea   

(C) Brassica   

(C) Tetrasome→2n=44 

(C) Seeds Act   

(D) Iron

(B) Cotton

(D) Trapa

146. Given that the somatic chromosome number of Triticum aestivum is 2n=6x=42 which one 

Of the following pairs is correctly matched?

(A) Monosome→2n=40 

(B) Trisome→2n=42

(D) Nullisome→2n=41

147. Regulation of access to genetic resources is governed by

(A) PPV & FR Act  

(B) Biodiversity Act

(D) Environment Protection Act

148. The plans bearing male and female flowers separately on the same are

(A) Protogynou  

(B) Protoandrous

(C) Dioecious   

149. The Urea fertilizer contains

(A) 16%nitrogen  

(C) 36% nitrogen  

(D) Monoecious

(B) 26% nitrogen

(D) 46% nitrogen

150. Square root of the variance is referred to as

(A) Coefficient of variation  

(B) Standard error

(C) Standard deviation 

(D) Range

Cross matching type questions(nos. 151 to 160) Each sub-question carries ONE mark,

Choose the correct answer(A,B,C,D,E) for each sub-question (i,ii,iii,iv,v) and enter your choice

in the circle in the circle(by shading with a HB pencil) on the OMR-answer sheet. For each

wrong answer 0.20mark will be deducted

151. (i) Pushkarnath  

(ii)C T Patel   

(iii)B.P. Patel   

(iv)K. Ramiah   

(v) T S Venkatraman  

152. (i)         

(A)Rice Breeder

(B) Potato Breeder

(C) Cotton Breeder

(D) Sugarcane Breeder

(E) Wheat Breeder 

(A)

(ii) Indian Institute of Vegetable Research     

(iii)Central Rice Research Institute    

(iv) Indian Institute of Horticultural Research   

(D) Varanasi

(v) Indian Grassland and Fodder Research Institute   (E)Cuttack 

153.    (i) Callus               

(ii) Transgenic pants    

(III) Auxins     

(iv) Azardirachtin     

(v) Explant    

154. (i). Jumping genes    

(ii) Bar locus    

(iii) Alkaptonuria   

(iv) Base analogue   

(v)  Centre of origin   

155. (i) Dr.Y.S Parmar uni.of horticulture and foresty              

(ii) Maharana pratap university of Agriculture and               

Technology

(iii) Rajendra Agricultural university                              

(iv) C.S Azahad Univ.of Agriculture and technology           

(v) Indira Gandhi Krisshi Vishwa Vidhyalaya                       

(B) Bangalore

(C) Kanpur

(A) Foreign DNA         

(B) Plant part used for regeneration

(C) A mass of  unorganized cells 

(D) Plant growth hormone

(E)  Biopestcide

(A) N.I Vavilov

(B) 5 bromouracil

(C) Maize

(D) Drosophila

(E)  Excretion of alkapton in urine

156. (i) International Institute for Tropical Agriculture(IITA)          

(ii) Interanational Crop Res.Institute for Semiarid Tropical      

(A)Raipur

(B)Pusa Bihar

(C) Kanpur

(D) Udaipur

(E) Solan

(A) Philippines

(B) Italy  

 (ICRISAT)                      

(iii) International Plant  Genetic Resources  Institute (IPGRI)    (C) Peru

(iv) International Potato Centre (CIP)                                          

(v) International Rice Research  Institute(IRRI)                         

(D) India 

(E) Nigeria

157. (i) Pure Line                   

(ii) Multilines    

(iii) Isogenic  lines    

(iv) Pleiotropy               

(v) Land races    

158.   (i)  Jatropa     

(ii) Azotobacter    

(iii) Rhzobium                

(iv) Tobacco Mosaic Virus    

159. (i) Apple scab disease   

(ii) Leaf  blight of sugarcane                            

(iii) Leaf  rust of wheat                           

(iv) Natural genetic engineer  

(v) N2 fixing blue –green alga               

160. (i) Rice     

(ii) Maize     

(iii) Tomato    

(iv) Wheat    

(v) Cottton    

(A) One  gene  difference

(B) Manyfold effects of a gene

(C) Narrow genetic  base 

(D) Primitive cultivars 

(E) Broad genetic  base 

(A) Asymbiotic N2fixer

(B) Biofuel

(C) Gum 

(D) Symbiotic N2fixer 

(A) Puccina recondite pv tritici

(B) Anabaena variabilis

(C) Agrobacterium tumefasciens

(D) Venturia inaequalis 

(E) Helminthosprium sacchari

(A) Flavr Savr

(B) Kalyan Sona 

(C) Bikaneri nerma

(D) Ganga Safed-1

(E) Pusa Basmati-1