UGC NET 2023 Environmental Sciences Question Paper (15-Jun-2023) (Shift 2)

Question 1

Second law of thermodynamics states that

A. Energy flows from higher concentration to lower concentration.
B. Order becomes disorder during energy transformations.
C. The quality of energy degrades as it is transformed.
D. Degraded energy is entropy, dessipated as waste products or heat.
E. Enthalpy is wasted in energy transformation.

Choose the most appropriate answer from the options given below:

Accepted Answer

A, B, C, D and E only

Answer

A, B and C only

Answer

B, C and D only

Answer

A, C, D and E only

Question 2

Arrange the following as a progression of relations from disciplinary reductionism to holism.

A. Cross disciplinary
B. Disciplinary
C. Interdisciplinary
D. Multi disciplinary
E. Transdisciplinary

Choose the correct answer from the options given below:

Accepted Answer

B. D. A, C, E

Answer

B, A, C, D, E

Answer

E, C, D, A, B

Answer

E. C. A. D. B

Question 3

Which one of the following gas was not released through volcanoes around 4 billion years ago?

Accepted Answer

Oxygen

Answer

Hydrogen

Answer

Nitrogen

Answer

Carbon dioxide

Question 4

When reduction in the ambient temperature with height $r_t$, is greater than the change in temperature with height induced by a dry adiabatic process, $r_d$ atmosphere is said to be

Accepted Answer

absolutely unstable.

Answer

absolutely stable.

Answer

dry neutral.

Answer

conditionally unstable.

Question 5

Absolute humidity in atmosphere at $ 10^\circ $ is $5.0$ g/m$^3$ and maximum amount of water air can hold at same temperature is $ 10$ g m$^3$. What will be the relative humidity at the same temperature?

Accepted Answer

~50%

Answer

~20%

Answer

~200%

Answer

~2%

UGC NET 2023 Environmental Sciences Question Paper (15-Jun-2023) (Shift 2)

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