CBSE Class 12 Air-Conditioning And Refrigeration Compartment Question Paper 2022 with Answer Key (August 23, Set 4- 351)

CBSE Class 12 Air-Conditioning And Refrigeration Compartment Question Paper 2022 with Answer Key Set 4- 351 is available for download. The exam was conducted by the Central Board of Secondary Education on August 23, 2022 in the Morning Session Session 10:30 AM to 12:00 PM. The medium of paper was English & Hindi. The question paper comprised a total of 25 questions divided among 3 sections.

CBSE Class 12 Air-Conditioning And Refrigeration Set 4- 351 Compartment Question Paper 2022 with Answer Key (August 23)

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CBSE Class 12 Previous Year Question Papers

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CBSE CLASS XII Questions

1.
You are Dr. Ria Sen, a renowned environmentalist. You have received an invitation to speak at an inter-school conclave on ‘Climate change – the Role of Youth’. Draft a reply consenting to attend the event.
(Write in about 50 words.)

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2.
Write the name of basic building units of proteins and nucleic acids. How can you differentiate between Fibrous and Globular proteins on the basis of their structures ?

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3.
Draw the structure of 'X' in the following reaction:

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4.
Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

P - Seed, Q - Thalamus, R - Mesocarp, S - Endocarp
P - Thalamus, Q - Seed, R - Endocarp, S - Mesocarp
P - Seed, Q - Thalamus, R - Endocarp, S - Mesocarp
P - Thalamus, Q - Seed, R - Mesocarp, S - Endocarp

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5.
(i) How does a farmer use dormancy of seed to his advantage ?
(ii) Differentiate between pea seed and castor seed.

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6.
The books of Mehul and Barkha showed that their capital employed on 31st March, 2025 was Rs 6,00,000. If the normal profits are Rs 60,000 and super profits are Rs 20,000, then the normal rate of return is:

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CBSE Class 12 Air-Conditioning And Refrigeration Compartment Question Paper 2022 with Answer Key (August 23, Set 4- 351)

CBSE Class 12 Air-Conditioning And Refrigeration Set 4- 351 Compartment Question Paper 2022 with Answer Key (August 23)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.
You are Dr. Ria Sen, a renowned environmentalist. You have received an invitation to speak at an inter-school conclave on ‘Climate change – the Role of Youth’. Draft a reply consenting to attend the event.
(Write in about 50 words.)

2.
Write the name of basic building units of proteins and nucleic acids. How can you differentiate between Fibrous and Globular proteins on the basis of their structures ?

3.
Draw the structure of 'X' in the following reaction:

4.
Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

5.
(i) How does a farmer use dormancy of seed to his advantage ?
(ii) Differentiate between pea seed and castor seed.

6.
The books of Mehul and Barkha showed that their capital employed on 31st March, 2025 was Rs 6,00,000. If the normal profits are Rs 60,000 and super profits are Rs 20,000, then the normal rate of return is:

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CBSE Class 12 Air-Conditioning And Refrigeration Set 4- 351 Compartment Question Paper 2022 with Answer Key (August 23)

CBSE Class 12 Previous Year Question Papers

CBSE CLASS XII Questions

1.You are Dr. Ria Sen, a renowned environmentalist. You have received an invitation to speak at an inter-school conclave on ‘Climate change – the Role of Youth’. Draft a reply consenting to attend the event.(Write in about 50 words.)

2.Write the name of basic building units of proteins and nucleic acids. How can you differentiate between Fibrous and Globular proteins on the basis of their structures ?

3.Draw the structure of 'X' in the following reaction:

4.Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

5.(i) How does a farmer use dormancy of seed to his advantage ?(ii) Differentiate between pea seed and castor seed.

6.The books of Mehul and Barkha showed that their capital employed on 31st March, 2025 was Rs 6,00,000. If the normal profits are Rs 60,000 and super profits are Rs 20,000, then the normal rate of return is:

Comments

SUBSCRIBE TO OUR NEWS LETTER

1.
You are Dr. Ria Sen, a renowned environmentalist. You have received an invitation to speak at an inter-school conclave on ‘Climate change – the Role of Youth’. Draft a reply consenting to attend the event.
(Write in about 50 words.)

2.
Write the name of basic building units of proteins and nucleic acids. How can you differentiate between Fibrous and Globular proteins on the basis of their structures ?

3.
Draw the structure of 'X' in the following reaction:

4.
Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.

5.
(i) How does a farmer use dormancy of seed to his advantage ?
(ii) Differentiate between pea seed and castor seed.

6.
The books of Mehul and Barkha showed that their capital employed on 31st March, 2025 was Rs 6,00,000. If the normal profits are Rs 60,000 and super profits are Rs 20,000, then the normal rate of return is: