PLANT SCIENCES (ICAR JRF 2005)

 

 

 

1. India with 2.4% of worlds are has global biodiversity of

(A) 25% (B) 8%

(C) 60% (D) 2.5%

 

2. M.S. Swaminathan Research Foundation is located at

(A) Coimbatore (B) Bangalore

(C) Hyderabad (D) Chennai

 

3. Contribution of Agriculture to the gross domestic product (GDP) of India is

(A) 24.7% (B) 8.0%

(C) 14.0% (D) 35.0%

 

4. The term “Green Revolution” was coined by

(A) Norman E. Borlaug (B) M.S. Swaminathan

(C) C. Subramanyam (D) William Gaud

 

5. C4 plants differ from C3 plants in having different

(A) Photosynthetic pigments

(B) Initial acceptor of CO2

(C) Assimilatory power

(D) End product

 

6. Which pigment is absent in chloroplast

(A) Anthocyanin (B) Chlorophyll

(C) Carotene (D) Xanthophyll

 

7. Apomixis means reproduction from

(A) An unfertilized egg (B) somatic cells

(C) Both(A and B) (D) Fusion of gametes

 

8. Visible light forms part of electromagnetic spectrum between wavelengths of

(A) Violet and Red

(B) Ultra violet and Infra-Red

(C) Ultra violet and Red

(D) Violet and Infrared

 

9. Who discovered that during photosynthesis, O2 comes from water and not from CO2

(A) Van Niel (B) Ruben and Kamen

(C) Warburg (D) Blackman

 

10. Which of the following causes seed dormancy

(A) Ethylene (B) Abscisic acid

(C) Gibberellins (D) Starch

 

11. If pollen falls on stigma belonging to different flower borne on the same plant, it is

(A) Genetically self pollination

(B) Cross pollination

(C) Ecological cross pollination

(D) None of the above

 

12. Maize is

(A) Cleistogamous (B) Anemophilous

(C) Entomophilous (D) Hygrophilous

 

13. Microscopic structure of flower that contains usually 8 nuclei is

(A) Pollen grain (B) Pollen tube

(C) Embryo Sac (D) Embryo

 

14. The stress hormone is

(A) IAA (B) GA3

(C) ABA (D) None of the above

 

15. Nitrogen is mainly absorbed by plants from soil in the form of

(A) N2 (B) NH4+

(C) NO2- (D) NO3

 

16. Chlorosis due to deficiency of Nitrogen in crop plants become visible first in

(A) Old leaves

(B) Young leaves

(C) Young leaves followed by old leaves

(D) Middle leaves

 

17. Growth hormone that results in apical dominance is

(A) Auxin (B) Gibberellin

(C) Cytokinin (D) Ethylene

 

18. A segment of DNA molecule that specifies a protein is

(A) Intron (B) Gene

(C) Exon (D) Codon

 

19. Who coined the term “gene”?

(A) W. Johannsess (B) Gregor Mendel

(C) Robert Hook (D) Louis Pasteur

 

20. In DNA, the amount of adenine equal the amount of

(A) Cytosine (B) Thymine

 

(C) Guanine (D) Thymine + cytosine

 

21. Part of gynoecium which receives pollen is

(A) Ovule (B) Ovary

(C) Style (D) Stigma

 

22. Ovule is attached to placenta by means of

(A) Pedicel (B) Funicle

(C) Petiole (D) Stalk

 

23. Mitochondria are not present in the living cells of

(A) Bacteria (B) Fungi

(C) Algae (D) Protozoa

 

24. Rough- surface endoplasmic reticulum in a living cell bear

(A) Microsomes (B) Ribosome’s

(C) Lysosomes (D) Mitochondria

 

25. An individual having one less that the usual diploid number of chromosome (2n-1)

(A) Monotrichae (B) Monotonic

(C) Monosomic (D) Adiploid

 

26. Extremely long term seed storage facility is possible by low temperature freezing by

(A) Cryostorage

(B) Cold storage

(C) Deep-Freeze storage

(D) Thermolabile storage

 

27. Soil containing a relatively equal mixture of sand and silt and little of clay is

(A) Loam (B) Sand clay

(C) Silty clay (D) Gravel clay

 

28. amino acids found in proteins have the same general structure +H3N- RCH-COO except

(A) Glycine (B) Alanine

(C) Lysine (D) Proteine

 

29. DNA is usually double stranded, the two chains being

(A) Parallel (B) Antiparallel

(C) Semi-parallel (D) Asymmertric

 

30. When cells prepare to divide, the chromosomes double and become visible in

(A) Metaphase (B) Anaphase

(C) Interphase (D) Prophase

 

31. The products of meiosis are single-celled haploid nuclei collectively termed as

(A) Spermatia (B) Eggs

(C) Gametes (D) Monokaryons

 

32. Structure of base pairs in DNA is

(A) A: T (B) G: C

(C) Both (A and B) (D) A: U

 

33. The first Director General of ICAR was

(A) M.S Swaminathan (B) B.P. Pal

(C) M.S Randhava (D) A.B. Joshi

 

34. The system of minimum support price (MSP) for cereal crops in India has been in operation since the year

(A) 1962 (B) 1965

(C) 1974 (D) 1991

 

35. The maximum growth rate of an organism occurs in

(A) Exponential phase (B) Lag phase

(C) Stationary phase (D) Senescence phase

 

36. A devastating outbreak of an infectious disease in population of plants is

(A) Epidemic (B) Epibiotic

(C) Epiphytotic (D) Endemic

 

37. Plants that have separate male and female individual (Plants) are termed as

(A) Monoecious (B) Dioecious

(C) Autoecious (D) Heteroecious

 

38. The first two dwarf Mexican wheat varieties imported in India were

(A) Kalyan Sona and Sonalika (B) UP 301 and RR21

(C) Lerma Rojo and Sonora 64 (D) None of the above

 

39. The test of significance of experimental results are generally based on minimum error degree of freedom of

(A) 5-10% (B) 10-15%

(C) 15-20% (D) 20-25%

 

40. Which one refers to wheat aphid

(A) Myzus persicae (B) Aphis gossypii

(C) Brevicoryne brassicae (D) Macrosiphum granarium

 

41. The Great Bengal Famine mainly due to the brown spot of rice occurred in

(A) 1942 (B) 1885

(C) 1947 (D) 1965

 

42. The class of enzymes wich catalyse the linking togetherof two molecules:

(A) Ligases (B) Empimerases

(C) Isozymes (D) Synthetase

 

43. A virus particle is

(A) Viroid (B) virion

(C) prion (D) virusiod

 

44. One of the following is not an essential amino aci

(A) Methionine (B) Lysine

(C) Alanine (D) Phenylalanine

 

45. The production of a complementary strand of RNA from a segment of DNA is

(A) Rransduction (B) Translation

(C) Transcription (D) Transformation

 

46. Maltose is composed of

(A) Glucose and glucose (B) Glocose and galactose

(C) galactose and galactose (D) Glucose and fructose

 

47. The most widely used egg parasitoid in pest management is

(A) Telenomus (B) Tetrastichus

(C) Trichogramma (D) trichospilus

 

48. Codons wich code for an amino acid are

(A) Non-sense codons (B) Sense codons

(C) Anticodons (D) Introns

 

49. ‘Erineum’ patches are the characteristic symptom of damage caused by

(A) Mites (B) White flies

(C) Aphids (D) Leafhoppers

 

50. A cell lacking a membrane bound nucleus is

(A) Prokaryotic cell (B) Eukaryotic cell

(C) protozoan cell (D) Amoeboid cell

 

51. During 1965- 66, before Green Revolution, India produced wheat to the extent of

(A) 71 million tonnes (B) 17 million tonnes

(C) 10 million tonnes (D) 110 million tonnes

 

52. The vitamin that is not found in plants

(A) niacin(B6) (B) Thiamine(B1)

(C) Vitamin K (D) Vitamin B12

 

53. Non- symbiotic nitrogen fixation in plants is mediated by

(A) Rhizobium (B) Azotobacter

(C) Bacillus (D) Mycorrhiza

 

54. The first All India ICAR- spoasored coordinated Crop Improvement Research project was on

(A) Wheat (B) Maize

(C) Rice (D) Oilseeds

 

55. Out of the total arable land area in india, rainfed area comes to about

(A) 70% (B) 30%

(C) 50% (D) 20%

 

56. The pyridoxine nucleotides are co-enzymes for the enzymes

(A) Carboxylases (B) Esterases

(C) DNA polymerases (D) Dehydrogenases

 

57. The number of Known non sense codons concerning protein synthesis are

(A) Three (B) Twenty

(C) Two (D) Six

 

58. The fungus Ustilaginoidea virens causes

(A) Flase smut of rice (B) Loose smut of wheat

(C) Whip smut of sugarcane (D) Flag smut of wheat

 

59. Mungbean yellow mosaic virus causing soybean’s yellow mosaic disease is a

(A) Badna Virus (B) Geminnivirus

(C) Tenuivirus (D) None of the above

 

60. The generation of seeds obtained through multiplication of nuclear seed is

(A) Foundation seed (B) Registered seed

(C) Breeder seed (D) certified seed

 

61. One of the following is a cross pollination crop

(A) Rice (B) Wheat

(C) Groundnut (D) Sugarcane

 

62. The secretary of Department of Agricultural Research and Education (DRAE) is usually the

(A) DG of ICAR, New Delhi (B) DG of CSIR, New Delhi

(C) Director IARI, New Delhi (D) Agricultural Production Commissioner

 

63. Who is considered as father of Plant Pathology in India?

(A) B.B Mundkur (B) K.C Mehta

(C) E.J Butler (D) J.E DAstur

 

64. Sunflower necrosis disease as reported to occur recently in Andhra Pradesh and Karnataka is caused by

(A) Fungus (B) Bacterium

(C) Virus (D) Boron deficiency

 

65. The causal organism of stripe rust of wheat is

(A) Puccinia glumarum (B) Puccinia recondita

(C) Puccinia graminis tritici (D) Ustilago segetum tritici

 

66. Starch is hydrolysed by

(A) Catalase (B) Hexokinase

(C) Peroxidase (D) Amylase

 

67. Nitrogen Fixation is:

(A) Conversion o NH3 to NO2 (B) Conversion of NO3 to N2

(C) Reduction of N2 to NH4 (D) Conversion of NO2 to NO3

 

68. Zinc is used up by the plants as:

(A) Zn (B) Zn(NO3)2

(C) ZnSO4 (D) Zn++

 

69. Minimum isolation distance for certified seed production of groundnuts is

(A) 100 meter (B) 50 meter

(C) 400 meter (D) 03 meter

 

70. Standard deviation (S) is expressed as

(A) S=…………. (B) S=V2

(C) S=V3 (D) None of the above

 

71. Muriate of potash contains

(A) 48-50%K2O (B) 60% K2O

(C) 12-30%K2O (D) 46% K2O

 

72. Tungro disease of rice is caused by a virus transmitted

(A) Green leaf hopper (B) Brown plant hopper

(C) Gall midge (D) White fly

 

73. India, with 2.4% of world’s land supports world population to the extent of

(A) 2.6% (B) 16%

(C) 30% (D) 42%

 

74. Minimum isolation distance for certified seed production of wheat is

(A) 400 meter (B) 150 meter

(C) 10 meter (D) 100 meter

 

75. An effective seed treatment fungicide for control of loose smut of wheat is

(A) Thiram (B) Captan

(C) Mancozep (D) Carboxin

 

76. The best method for detection of presence of seed –borne virus is

(A) Direct seed inspection (B) Washing seed test

(C) Blotter test (D) Indicator plant test

 

77.The product of two single cross hybrid is

(A) Monohybrid (B) Dihybrid

(C) Double cross hybrid (D) Trihybrid

 

78. The identification mark of certified seed is

(A) Purple tag (B) White tag

(C) Red Tag (D) Blue tag

 

79. An otherwise diploid organism with an extra pair of chromosomes (2n+2) is

(A) Tetrasoic (B) Trisomic

(C) Monosomic (D) Disomic

 

80.The increase vigor or function over the parents resulting from crossing is

(A) Heterosis (B) Dorninance

(C) Epistasis (D) None of the above

 

81. A set of chromomes as contained within a gamete is

(A) Germplasm (B) Genotype

(C) Genome (D) Gene

 

82. A circular extrachromosal body within a bacterial cell

(A) Plasmid (B) Nucleoid

(C) Genome (D) Nucleoli

 

83. A plant cell devoid of cell wall

(A) Phytoplasama (B) Protoplast

(C) Sporoplast (D) None of the above

 

84. Symbol used to designate the original selfed plant

(A) S1 (B) SO

(C) SO (D) S+

 

85. The rules for experimental proof of pathogenicity of a micro organism are given by

(A) Louis pasteure (B) Robert Koch

(C) Anton de bary (D) Edward Jenner.

 

86.The scientific name of a bacterium ,Bacillus thuringienis, owners its origin to Thuringia region in

(A) France (B) Germany

(C) England (D) USA

 

87. Cotton rust disease is caused by

(A) Fungus (B) Algae

(C) Deficiency of potassium (D) Other than above

 

88.Which of the following fungal genus is not the cause of downy mildew disease in plants

(A) Peronospora (B) Plasmopara

(C) Sphaerotheca (D) Sclerospora

 

89. The cell resulting from the fusion of gametes

(A) Seed (B) Embryo

(C) Zygote (D) Endosperm

 

90. A cross of hybrid to a genetically homozygous recessive parents

(A) Test cross (B) Back cross

(C) Top cross (D) Double cross

 

91. The inflorescence of rice plant is

(A) Cymose (B) Panicle

(C) Capitulum (D) Umbel

 

92. The potential of an undifferential plant cell (protoplast) to develop into a plant is referred to as

(A) Alternation of generation (B) Totipotency

(C) Resurgence (D) Regeneration

 

93. Lines that are generatically similar except for one gene

(A) Pure lines (B) Homozygous lines

(C) Multilines (D) Isogenic lines

 

94. Quality of water required by wet paddy crop to produce 1kg of rice is about

(A) 2000 liters (B) 5000 liters

(B) 1000 liters (C) 2500 liters

 

95. Common bread wheat is

(A) Triticum monoccum (B) Triticum dicoccum

(C) Triticum estivum (C) Triticum durum

 

96. Plants that have separate male and female individual (plants) are termed as

(A) Monoecious (B) Dioecious

(C) Autoecious (D) Centrial America

 

97. The rice crop species Oryza glaberrima is most predominantly cultivated in

(A) Australia (B) Middle East

(C) Africa (D) Centeral Amarica

 

98. First irrigation in Mexican dwarf wheat crop is recommend between

(A) 7-15 days after sowing (B)15-20 days after sowing

(C) 21-25 days after sowing (D) 30 days after sowing

 

99. The amount of nitrogen fixed by blue green algae(BGA) in wet paddy fields ranges from

(A) 15 to 45Kg ha-1 (B) 10 to 15 Kg ha-1

(C) 40 to 50 Kg ha-1 (D) 5 to 10 Kg ha-1

 

100. JL-24 is a varity of

(A) Cotton (B) Rice

(C) Ground (D) Soybean

 

101. A plant growth regular which promotes cell division, enlargement and apical dominance is called

(A) auxin (B) coleoptile

(C) essential fatty acid s (D) essential amino acids

 

102. Maximium peimissible limit of aflatoxins in food products or oil cakes is in the range of

(A) 5-30 ppb (B) 5-30 ppm

(C) 100 ppb (D) 100 ppm

 

103. The phosphours solubilising bacterium is

(A) Bacillus subtills (B) Bacillus polymyxa

(C) Bacillus cereus (D) None of the above

 

104. The DIP Act in india was passed in the year

(A) 1947 (B) 1914

(C) 1946 (D) 1952

 

105.Inheritance of a plant to the pathogen was first discovered by

(A) E.C Stakman (B) J.C .Walker

(C) H.H. Flor (D) R.H.Biffen

 

106. The most popular and efficient spicies of earthwarm for vermicompost S

(A) Eudrilus eugeniae (B) Eisenia fetida

(C) Lumbricus rubelus (D) Lumbricus terrestis

 

107. The seed rate of Indian cotton normally is

(A) 12-15 Kg ha -1 (B) 25-30Kg ha-1

(C) 15-20 Kg ha-1 (D) 30-40 Kg ha-1

 

108. One of the following is the plan growt retardant

(A) Planofix (B) CCC

(C) Apron (D) Kineitn

 

109.Excessive growth due to an enlargement of individual cell is

(A) Hyperplasia (B) Hypertrophy

(C) Enation (D) Atropy

 

110. In India Mango occupies about

(A) 14.2 Lakh ha (B) 60 Lakh ha

(C) 25 Lakh ha (D) 9 Lakh ha

 

111. An abnoramal proliferation of shoots due to phytoplasma or virus infection is termed as

(A) Witche’s broom (B) Phyllody

(C) Epinasty (D) None of the above

 

112. Pisatin is related to

(A) Maize (B) Peas

(C) rice (D) wheat

 

113. The average oil-content of soybean seed is about

(A) 20% (B) 30%

(C) 10% D) 40%

 

114. The virus causing leaf curl disease of cotton is transmitted by

(A) Aphid (B) Leaf hopper

(C) Beetle (D) White fly

.

115. The first high yielding dwart varity of rice introducing into india through IRRI

(A) IR 18 (B) IR 8

(C) IR 36 (D) IR 20

 

116.In india ,presentaly per capita net availability of edible oils including vanaspati is

(A) 6.5 kg/person/year (B) 10 Kg/person/year

(C) 30 kg/person /year (D) 14/Kg/person/year

 

117. The sterility mosaic disease of pigeon pea is caused by

(A) Virus (B) Phytoplasma

(C) Bacterium (D) Iron deficiency

 

118. The precursor of auxin (IAA) in higer plant is

(A) Tryptophan (B) Tyrosine

(C) Phenylalanine (D) Histidine

 

119. Killing of bacteria in water by applying strong magnetic field is

(A) Lysis (B) Plasmolysis

(C) Lysing (D) Denaturing

 

120. The principle nematode species causing root knot of groundnuts is

(A) Meloidogyne hapla (B) Meloidogyne arenaria

(C) Rotylenchus reniformis (D) Helicotylenchus arachisi

 

121. All cell of an organism have virtually the same amount of DNA in cellular nuclei with exception of

(A) Pollen (B) Egg

(C) Both (A&B) (D) Meristem cell

 

122. A molecule of RNA that carries an amino acid molecule to the ribosome for use in protein

Synthesis

(A) r-RNA (B) m-RNA

( C) r-RNA (D) None of the above

 

123. Nilaparvate lugens is the scientific name of

(A) Green leaf hopper (B) Brown plant Hopper

(C) White-backed plant (D) Rice water weevil

 

124. Below poverty line population in india is defined to achived a nutritional norms upto or

Below

(A) 1000 calories/per person/day (B) 1500 calories/per person/day

(C) 2400 calories/per person/day (D) 3200 calories/per person/day

 

125. Besides India, major investment in research in mango breeding and improvement is underway in

(A) Iran (B) Israel

(C) Syria (D) Sri Lanka

 

126. when the ph of a solution in decreased one unit from 5 to 4, the[h+] ion concentration will be increased

(A) two folds (B) one folds

(C) ten folds (D) three folds

 

127. the term Ph for expression of the [H+] ion concentration was given by

(A) Henderson (B) Sorensen

(C) Hassel balch (D) Henderson and Hassel balch

 

128. Most commonly the buffer solution consists of a mixture of

(A) Water and strong acid (B) Water and weak acid

(C) weak acid and weak base (D) weak acid and its conjugate base

 

129. The national Bereau of plant Genetic Resorce (NBPGR) is located at

(A) Lucknow (B) Karnal

(C) New Delhi (D) Hyderabad

 

130. in india, the issue of approval of release of transgenic/ genetically modified crop is finalized by the agency.

(A) GEAC (B) ICAR

(C) NBPGR (D) CSIR

 

131. Soils with pH less than 8.5, EC more than 4 dSM-1 and exchangeable sodium percent (ESP) less than 15 are

(A) saline soils (B) Alkali soils

(C) saline- alkali soils (D) black alkali soils

 

132. soils wich respond positively to liming?

(A) acid soils (B) saline soils

(C) Alkali soils (D) sodic soils

 

133. Mitosis and meiosis always differ in respect of the presence of

(A) chromatids (B) Homologs

(C) Centromeres (D) Bivalents

 

134. The following does not happen in Prophase l of meiosis

(A) chromosome condensation (B) Pairing of homology

(C) Chiasma formation (D) Segregation

 

135. One of the following is not the chain termination codon

(A) UUC (B) UAG

(C) UAA D) UGA

 

136. Acid rain is precipitation with a low pH due to the presence of air pollutants

(A) NO2 and SO2 (B) CO2 and H2S

(C) NO and CO2 (D) CO and CO2

 

137. An embryonic shoot of a plant composed of meristem and leaf primordial and offen protected by scales

(A) Gall (B) Nodule

(C) Bud (D) Knot

 

138. The alternation of different crip species in the same soilm is

(A) Intercropping (B) Mixed cropping

(C) Realy cropping (D) Rotational cropping(crop rotation)

 

139. Extrachromosal inheritance is due to non-nuclear genes in

(A) Mitochondria (B) Chloroplasts

(C) Both (A and B) (D) None of the above

 

140. The system of triplet codons is composed of nucleotides of

(A) r-RNA (B) m-RNA

(C) Both (A and B) (D) t-RNA

 

141. Prokaryotes that lack cell wall are

(A) Bacteria (B) Phytoplasmas

(C) Spiroplasmas (D) Mollicutes

 

142. pistil of a seed-bearing flower is composed of

(A) Ovary (B) Style

(C) Ovary and style (D) ovary, style and stigma

 

143. A combination of pest control strategies based on environmental and ecological consideration is best known as

(A) Ecological pest control (B) Environmental pest control

(C) Intergrated pest management (D) pest control

 

144. presence of plasmid is observed

(A) Only in bacteria (B) also in a few yeast fungi

(C) Both in (A+B) (D) Viruses

 

145. Natural auxin is

(A) IIA (B) NAA

(C) ABA (D) GA3

 

146. with 70% seed germination, optimal seed rate of soybean is

(A) 25kg seed ha.1 (B) 75kg seed ha.1

(C) 100kg seed ha.1 (D) 15kg seed ha.1

 

147. wheat protein is deficient in one of the amino acids

(A) Glycine (B) Methionine

(C) Lysine D) Phenyalanine

 

148. Soybean crop has the ability to derive its nitrogen requirement from symbiotic

(A) 25% (B) 70%

(C) 90% (D) 10%

 

149. The Gene-for-Gene theory of plant host-parasite interaction was discovered by

(A) Jacob and Monod (B) H.HFlor

(C) E.C.Stakman (D) N.E. Borlaug

 

150. soybean protein is deficient in one of the amino acids

(A) Tyrosine (B) Leucine

(C) Methionine (D) Phenylalanine

 

151. I. Herbicide (A) DBCP/DD

II. Fungicide (B)Oxydemeyon-methyl

III. Insecticide (C) Fluchloralin

IV.Nematicide (D)Thiophanate methy

V. Groeth retardant (E)CCC

 

152. I. Tomato (A) Khaira

 

II.Rice (B)iron chlorosis

III.groundnut (C) Black- tip

IV.Mango (D)Blossom-end rot

V.oat (E)Greay speak

 

153. I. m RNA (A) Mitochondira

II. t RNA (B)ribosome

III. r RNA (C) virus

IV. circular DNA (D)anticodon

V. single stranded DNA (E)Poly A tail

 

154. I. Groundnut (A) Chiio infuscatellus

 

II. Rice (B) Helicoverpa armigera

III.Chick-pea (C) Holotrichea consannguinea

IV.Sugarcane D) Mayetiola destructor

V. Wheat (E) Nilaparvata lugens

155. I. CIMMYT (A) Syria

 

II. CIAT (B) india

III.AVRDC (C) colombia

IV.ICARDA D) Mexico

V. ICRISAT (E) Taiwan

 

 

156. I. Wheat (A) Taichung Native

 

II. Sugarcane (B) Co-1148

III. Bengal gram (C) TMV-2

IV. Groundnuts (D) Norin 10

V. Rice (E) C-235

 

157. I. Soybean (A) Ramularia areola

II. wheat (B) Cercospora kikuchii

III. Rice (C) Bipolaris sorokiniana

IV.Chick-pea (D) Ascochyta rabiei

V.cotton (E) Magnaphorthe grisea

 

158. I. NRC for women Agriculture (A) pune

 

II. NRC for onion and Garlic (B) anand

III. NRC for weed science (C) junagadh

IV.NRC for medicinal and aromatic plants (D) jabalpur

V. NRC for Groundnuts (E) Bhubaneswar

 

159. I. Cotton Asiatic(Gossypium arboretum) (A) 2n=26

 

II. Bread wheat(triticum estivum) (B) 2n=52

III. Groundnut(Arachis hypogaea) (C) 2n=40

IV. Cotton American (gossypium hirsutum) (D) 2n=42

V. Durum wheat(Triticum turgidum) (E) 2n=28

 

160. I. Anindividual with missing or extra chromosomes (A) diploid

 

II. A polyploidy containing three or more basic (B) Monoploid

chromosome from the same species

III. An individual having more than twice the (C) polyploid

normal haploid number of chromosomes

IV.A haploid plant produced from a diploid species (D) autoploid

V. An individual prossessing two sets of (E) aneuploid

Chromosomes, one set coming from each parent