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121. Mycorrhiza is a symbiotic association between :
(a) Bacteria and roots of higher plants.
(b) Fungi and roots of higher plants.
(c) Algae and roots of orchids.
(d) Bryophytes and orchid roots.
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122. The vector of malaria is :
(a) Aedes aegypti mosquito
(b) Culex pipiens mosquito
(c) Anopheles gambiae female mosquito
(d) Tse-tse fly
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123. Which part of cinnamon tree is used in condiments and medicines ?
(a) Roots
(b) Wood
(c) Flower buds
(d) Bark
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124. Thiamine deficiency may result in :
(a) Beri Beri
(b) Scurvy
(c) Sterility
(d) Rickets
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125. Name the largest gland found in human body :
(a) Adrenal
(b) Thyroid
(c) Liver
(d) Pancreas
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126. Central Potato Research Institute is situated at :
(a) New Delhi
(b) Shimla
(c) Pant Nagar
(d) Cuttack
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127. Tendons and Ligaments are
(a) Muscular tissues
(b) Epithelial tissues
(c) Connective tissues
(d) Skeletal tissues
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128. Which blood group has no antibodies ?
(a) AB
(b) A
(c) O
(d) B
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129. Which of the following hormones is released in excess quantity during excitement ?
(a) Vasopressin
(b) Relaxin
(c) Adrenaline
(d) Testosterone
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130. Which one of the following is responsible for nuclear fission?
(a) Neutron
(b) Proton
(c) Deutron
(d) Electron
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131. The insecticide gammexane is chemically known as:
(a) DDT
(b) Benzene hexachloride
(c) Chloral
(d) Hexachlorobenzene
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132. Which one of the following is a natural substitute for common sugar?
(a) Basil leaves
(b) Aloe vera leaves
(c) Cinnamon bark
(d) Stevia leaves
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133. The percentage of nitrogen in urea is :
(a) 46
(b) 63
(c) 70
(d) 28
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134. 100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?
(a) 0°C
(b) 20°C
(c) 40°C
(d) 90°C
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135. If you climb a mountain from foot hills upwards in Uttarakhand, the likely sequence of trees will be :
(a) Devdar → Chirpine → Bhojpatra → Sal
(b) Chirpine → Sal → Bhojpatra → Devdar
(c) Sal → Bhojpatra → Chirpine → Devdar
(d) Sal → Chirpine → Devdar → Bhojpatra
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136. Who is regarded as the founder of binomial nomenclature of plants and animals?
(a) Charles Darwin
(b) Carl Linnaeus
(c) A.R. Wallace
(d) J.D. Hooker
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137. The principle hormone for elongation growth in plants is :
(a) Cytokinin
(b) Ethylene
(c) Gibberellin
(d) Auxin
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138. Which of the two temperature scales are same ?
(a) Celsius and Fahrenheit
(b) Fahrenheit and Kelvin
(c) Kelvin and Celsius
(d) None of these
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139. Extra number of which chromosome is responsible for Down’s syndrome (Mongoloid Idiot) in man.
(a) Chromosome No. 21
(b) X-Chromosome
(c) Y – Chromosome
(d) 15 + X Chromosome
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140. The sky appears blue, because
(a) there is more blue light in sunlight.
(b) scattering of sunlight by air particles in the atmosphere.
(c) scattering of sunlight by pollution in the atmosphere.
(d) other colours are absorbed by heavenly bodies.
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0° is GMT not 82.30
Qn no. 7 ka answer C h, 0 degree
Question 63 Right answer is FRI not survey of India..survey was founded in 1767 in Bengal and transferred to ddun in 1942 but FRI was estb in 1878 as school and later as FRI in 1906 .
95 question absolutely wrong …..because the anglo-indian community are nominated by president in India to the rajya Sabha 12 members artical 80(४)
Yes Dear, But it is the official answer key.