111. ‘Naseem-Al-Bahr’ is a bilateral naval exercise between India and
(a) United Arab Emirates
(b) Iran
(c) Saudi Arabia
(d) Oman
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112. Koneru Humpy excels in which one of the following sports ?
(a) Boxing
(b) Table Tennis
(c) Chess
(d) Billiards
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113. Which one of the following was the official mascot of Khelo India Youth Games, 2020?
(a) Vijaya
(b) Yaya
(c) Rongmon
(d) Ammu
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Vijaya Tiger
114. In January 2020, a passenger aircraft crashed in Iran soon after taking off from Tehran’s Imam Khomeini airport killing about 170 people onboard. The airplane belongs to
(a) Qatar Airways
(b) Ukraine International Airlines
(c) Singapore Airlines
(d) Cathay Pacific
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115. MILAN, a multilateral naval exercise, 2020 was hosted by which one of the following cities?
(a) Port Blair
(b) Kochi
(c) Visakhapatnam
(d) Panaji
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116. The correct relation between the radius of curvature R and focal length f of a spherical mirror is
(a) R = f
(b) R = 2f
(c) R = 35
(d) R = 4f
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117. A lemon kept in water in a glass tumbler appears to be larger than its actual size. It is because of
(a) reflection of light
(b) scattering of light
(c) refraction of light
(d) polarization of light
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118. Light enters the eye through a thin membrane called
(a) retina
(b) cornea
(c) pupil
(d) iris
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119. Name the scientist who first used a glass prism to obtain the spectrum of sunlight
(a) C. V. Raman
(b) Lord Rayleigh
(c) Isaac Newton
(d) S. Chandrasekhar
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120. The cost of energy to operate an industrial refrigerator that consumes 5 kW power working 10 hours per day for 30 days will be (Given that the charge per kW.h of energy ₹ = 4)
(a) ₹ 600
(b) ₹ 6,000
(c) ₹ 1,200
(d) ₹ 1,500
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121. Which one of the following statements regarding magnetic field is NOT correct?
(a) Magnetic field is a quantity that has direction and magnitude
(b) Magnetic field lines are closed curves
(c) Magnetic field lines are open curves
(d) No two magnetic field lines are found to cross each other
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122. Which one of the following statements is NOT correct?
(a) Buckminsterfullerene is an allo trope of carbon
(b) Diamond is a good conductor of electricity
(c) Graphite is a good conductor of electricity each carbon atom
(d) In graphite, each is linked to three other carbon atoms
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123. How many covalent bonds are present in a Chloropropane molecule having molecular formula, C3H7CI ?
(a) 6
(b) 8
(c) 9
(d) 10
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124. Which one of the following is the most fundamental characteristic of an element?
(a) Melting point
(b) Atomic number
(c) Colour
(d) Atomic weight
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125. Neutrons were discovered by
(a) James Chadwick
(b) Ernest Rutherford
(c) J. J. Thomson
(d) John Dalton
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126. Atomic mass of an element is equal to the sum of number of
(a) electrons and protons only
(b) protons and neutrons only
(c) electrons and neutrons only
(d) electrons, protons and neutrons
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127. Which one of the following element’s isotope is used in the treatment of cancer?
(a) Uranium
(b) Cobalt
(c) Sodium
(d) Iodine
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128. Which one of the following cell organelles may play a role in expelling excess water and wastes in case of unicellular organisms?
(a) Lysosome
(b) Vacuole
(c) Golgi body
(d) Endoplasmic reticulum
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129. Which one of the following terms describes the practice of growing two or more crops simultaneously on the same piece of land?
(a) Crop rotation
(b) Mixed cropping
(c) Intercropping
(d) Mixed farming
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130. Which one of the following statements is correct about effects of antibiotics on viruses?
(a) Viruses are “non-living” entities but it can interact with antibiotics
(b) Taking antibiotics cures infections viral
(c) Viruses do not possess metabolic pathways on which antibiotics can function, whereas bacteria have such pathways
(d) Viruses are resistant to antibiotics
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Thank you sir
Sir mujhe dono paper ke answer key beej dijye please
the official answer key is not available.