21. Match the following columns –
Column-I
(a) Smoke
(b) Gel
(c) Emulsion
(d) Foam
Column-II
(i) Dispersion of gas in liquid
(ii) Dispersion of solid in solid
(iii) Dispersion of liquid in liquid
(iv) Dispersion of liquid in solid
(v) Dispersion of solid in gas
Code –
(A) (a)-(v), (b)-(iv), (c)-(iii), (d)-(i)
(B) (a)-(ii), (b)-(iv), (c)-(i), (d)-(v)
(C) (a)-(iv), (b)-(ii), (c)-(iii), (d)-(i)
(D) (a)-(v), (b)-(ii), (c)-(i), (d)-(iii)
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22. The reaction between an acid and a base to give salt and water is –
(A) Double Displacement reaction
(B) Neutralisation reaction
(C) Single Displacement reaction
(D) Combination reaction
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23. Which is not correctly matched?
(A) Ammeter – Electric current
(B) Anemometer – Wind speed
(C) Barometer – Air pressure
(D) Pyrometer – Amount of rainfall
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24. A plant which has green leaves, when placed in red light will appear –
(A) Violet
(B) Red
(C) Black
(D) Green
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25. Which of the following is the smallest bone in the human body?
(A) Vomer
(B) Malleus
(C) Incus
(D) Stapes
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26. Match List-I with List-II and select the correct answer using the code given below –
List-I List-II
(a) Acceleration (i) Joule
(b) Force (ii) Newton-second
(c) Work done (iii) Newton
(d) Impulse (iv) Metre per second2
Code –
(A) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(B) (a)-(iii), (b)-liv), (c)-(i), (d)-(ii)
(C) (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(D) (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
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27. In which of the following pairs are the Isoelectronic ions?
(A) K+, Ne
(B) Na+, O2
(C) Mg2+, Ar
(D) Al3+, Cl–
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28. Who invented the safety lamp?
(A) Maxwell
(B) Faraday
(C) Humphry Davy
(D) Alfred Nobel
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29. Consider the following statements about visible light, UV light and X-rays –
(I) The wavelength of visible light is more than that of X-rays.
(II) The energy of X-ray photons is higher than that of UV light photons.
(III) The energy of UV light photons is less than . that of visible light photons.
Which of the statement(s) given above is/are correct?
(A) (ll) and (III).
(B) (I) and (II)
(C) Only (I)
(D) (I), (II) and (III)
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30. A plane glass slab is kept over colored letters, the letter which appears least raised is –
(A) Green
(B) Voilet
(C) Red
(D) Blue
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31. ‘Thar Mahotsav 2022’ was organized in which district of Rajasthan?
(A) Jaipur
(B) Barmer
(C) Bikaner
(D) Jaisalmer
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32. In which district of Rajasthan is Garhmora, the city of Raja Mordhwaj in which recently the Rajasthan government has issued a financial sanction for development work and maintenance of historical sites?
(A) Karauli
(B) Bundi
(C) Udaipur
(D) Ajmer
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33. Where has the foundation stone of Rajasthan’s first Ayurvedic Medical Center, Health and Wellness Center been laid?
(A) Khamnor
(B) Karanpur
(C) Kotra
(D) Khimsar
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34. Which body of Rajasthan was conferred with IBC Excellence Award, 2021 in April 2022?
(A) Rajasthan Housing Board
(B) Rajasthan Urja Vikas Nigam Ltd.
(C) Rajasthan Tourism Development Corporation Ltd.
(D) Rajasthan Medical Services Corporation
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35. in which city was the National Co-operative Spices Fair, 2022 organized?
(A) Chittorgarh
(B) Dholpur
(C) Alwar
(D) Jaipur
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36. Ghazi Khan Barna was presented the Sangeet Natak Akademi Award by Vice President Shri. M. Venkaiah Naidu for his contribution in the field of folk music, he is related to which instrument?
(A) Khartal
(B) Bhapang
(C) Sitar
(D) Sarangi
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37. Rajasthan Tourism Department organized ‘Folk Safar’ in collaboration with which institute?
(A) ASEAN
(B) UNESCO
(C) IMF .
(D) UNICEF
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38. Who e-inaugurated the first virtual court of Rajasthan?
(A) Tikaram Jully
(B) Ashok Gehlot
(C) S. S. Shinde
(D) Vasundhara Raie
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39. Rajasthan’s rank in the Fourth State Food Safety Index (SFSI) of the Food Safety and Standards Authority of India (FSSAI) released in June 2022 is –
(A) Twelfth
(B) Tenth
(C) Nineth
(D) Fourth
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40. Where has the DRDO successfully test-fired Helina, Anti-Tank-Guided Missile, in April 2022?
(A) Osian
(B) Gajner
(C) Kolayat
(D) Pokhran
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