Q101. In plant cells, RNA is present in
(a) cytoplasm only
(b) nuclei and cytoplasm only
(c) nuclei, cytoplasm, mitochondria, chloroplast and endoplasmic reticulum
(d) nuclei, cytoplasm, mitochondria, chloroplast and ribosomes
Q102. In grasses, intercalary meristem is usually located at
(a) root tip
(b) lateral sides of stem
(c) base of leaves
(d) shoot tip
Q103. Xylem is a type of complex tissue in plants for upward conduction of water. Which one of the following xylem tissues consists of living cells?
(a) Tracheid
(b) Vessel
(c) Xylem parenchyma
(d) Xylem fibre
Q104. Three resistors of resistances 11 Ω, 22 Ω and 33 Ω are connected in parallel. Their equivalent resistance is equal to
(a) 66 Ω
(b) 22 Ω
(c) 12 Ω
(d) 6 Ω
Q105. The r.m.s. potential difference between the red live wire and black neutral wire in Indian domestic electric supply is
(a) 160 V
(b) 220 V
(c) 300 V
(d) 410 V
Q106. The hydrogen bomb and the uranium bomb are based, respectively on
(a) nuclear fusion and fission
(b) fission and thermonuclear fusion
(c) geothermal fission and fusion
(d) geothermal fusion and fission
Q107. Sound and light waves are
(a) respectively longitudinal and transverse in air
(b) respectively transverse and longitudinal in air
(c) both longitudinal in air
(d) both transverse in air
Q108. A car moving with a speed of 12 m/s is subjected to brakes which produces a deceleration of 6 m/s2. The car takes 2s to stop after the application of brakes. What is the distance covered. by the car after the application of brakes?
(a) 12 m
(b) 24 m
(c) 36 m
(d) 48 m
Q109. What is the chemical composition of a soda-acid type fire extinguisher?
(a) Solution of sodium hydrogen carbonate and sulfuric acid
(b) Solution of sodium carbonate and sulfuric acid
(c) Solution of carbon dioxide and sulfuric acid
(d) Solution of sodium chloride and sulfuric acid
Q110. Consider the following statements
While diluting concentrated nitric acid solution
- the concentration of [H3O+] ions/ volume increases
- water must be added slowly to concentrated acid
- acid must be added slowly to water
Which of the statements given above. is/are correct?
(a) 1, 2 and 3
(b) 1 and 2 only
(c) 3 only
(d) 2 and 3 only
Q111. Which one of the following is the correct order of pH for the given substances?
(a) Coffee < Lemon juice < Milk of magnesia < Blood
(b) Milk of magnesia < Blood < Coffee < Lemon juice
(c) Lemon juice < Blood < Coffee < Milk of magnesia
(d) Lemon juice < Coffee < Blood < Milk of magnesia
Q112. Which one of the following is not true for anodizing process?
(a) It makes aluminium corrosion resistant.
(b) Metals like aluminium, titanium and magnesium can be anodized.
(c) Clean aluminium article is the anode and oxygen gas is evolved at the cathode.
(d) It is used in aircraft industry.
Q113. Naphthalene burns with a yellow sooty flame. This is because
(a) carbon to hydrogen ratio is low
(b) there is incomplete combustion
(c) there is excess supply of air
(d) of presence of impurities of nitrogen and sulfur
Q114. Which of the following statements are true for the reaction of Fe 203 with aluminium?
- It is known as the thermite reaction.
2 The heat evolved is used for welding purpose. - Aluminium metal acts as an oxidizing agent.
- Molten Fe and Al are formed at the end of the reaction.
Select the correct answer using the code given below.
(a) and 2
(b) 1 and 3
(c) 2 and 4
(d) 1 and 4
Q115. Vicky told his friends about his visit to Stewart Island, Bay of Plenty and Hawke Bay. Which country did Vicky visit?
(a) Canada
(b) Australia
(c) New Zealand
(d) Ireland
Q116. Manav is planning to visit all UNESCO World Heritage Sites in Delhi. He will be visiting
(a) Red Fort, Qutab Minar, Jama Masjid
(b) Red Fort, India Gate, Qutab Minar
(c) Red Fort, Qutab Minar, Humayun Tomb
(d) Red Fort, Humayun Tomb, India Gate
Q117. What will be the correct sequence of cities on the bank of river Ganga if someone moves from west to east?
(a) Prayagraj, Kanpur, Bhagalpur, Patna
(b) Prayagraj, Bhagalpur, Kanpur, Patna,
(c) Kanpur, Prayagraj, Bhagalpur, Patna
(d) Kanpur, Bhagalpur, Prayagraj, Patna,
Q118. Which one among the following States has the longest extension in north- south direction?
(a) Jharkhand
(b) Telangana
(c) Odisha
(d) Chhattisgarh
Q119. Match List-I with List-II and select the correct answer using the code given below the Lists :
List – I (Day) List – II (Date)
A. World Wetlands Day 1. 29 July
B. International Tiger Day 2. 22 April
C. World Water Day 3. 2 February
D. International Mother Earth Day 4. 22 March
Code:
. A B C D
(a) 3 4 1 2
(b) 3 1 4 2
(c) 2 1 4 3
(d) 2 4 1 3
Q120. Which one of the following States/UTS is not among the top five in the Performance Grading Index (PGI), published by the Ministry of Education for the year 2020-2021?
(a) Kerala
(b) Punjab
(c) NCT of Delhi
(d) Chandigarh
