JMI PHD ENTRANCE Paper 2024 and Answer Key

71. Which of the following gases is known as “Laughing Gas”?

A. Nitrous oxide

B. Nitrogen peroxide

C. Nitrogen

D. Nitric oxide

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72. Which of the following is the first man-made plastic that is a bad conductor of heat?

A. Teflon

B. Polythene

C. Bakelite

D. Nylon

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73. Which ministry recently launched the ‘National Apprenticeship and Training Scheme (NATS) 2.0 Portal’?

A. Ministry of Urban Development

B. Ministry of Home Affairs

C. Ministry of Education

D. Ministry of Defence

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74. Which of the following are called “Key Industrial animals”?

A. Producers

B. Tertiary consumers

C. Primary consumers

D. Decomposers

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75. Which of the given is a disease caused by protozoa?

A. Cancer

B. Typhoid

C. Kala-azar

D. Chicken Pox

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