UGC NET Paper 1 — Environmental Science

Which of the following statements are true about the world's forests? (A) Forests act as huge carbon sinks. (B) Most of the world's forests are concentrated in the sub-tropical reg...

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): Geothermal fluids are rich in salts and other contaminants...

Geothermal field requires combination of following three conditions (A) A natural underground source of water (B) A mountain in the vicinity (C) An impermeable layer (D) A coal min...

The only energy source which is not in anyway related to Sun is

Given below are two statements: Statement I : To qualify as a biodiversity hotspot. an area must have at least 15000 species of vascular plants. Statement II : To qualify as a biod...

Given below are two statements: One is labelled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): Energy produced from biomass is considered 'carbon neutral'....

Which of the following statements about World's forests are correct? (A) Forests act as a huge carbon sink. (B) Most of the World's forests are concentrated in the subtropical belt...

Identify the biodiversity hot-spot regions from the following: (A) Western Ghats (B) Central India (C) Sundaland (D) Indo-Burma Choose the correct answer from the options given bel...

Wind energy (A) is an intermittent energy (B) is extremely useful at remote and isolated places (C) does not depend upon weather (D) is a clean energy (E) does not have any environ...

Solar ponds A. produce potable water B. are thermal energy collectors C. use salt gradient to inhibit heat loss D. are used for swimming in cold regions E. produce heated water Cho...

Match List I with List II List I Energy Source (A) Wind Energy (B) Thermal Energy (C) Hydroelectric Energy (D) Photovoltaic energy List II Environmental Impacts (I) Emission of Gre...

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Geothermal energy is not a renewable source of energy. Reas...

What is the correct sequence of various components of biogas in terms of their abundance? (A) Ammonia (NH3) (B) Hydrogen Sulfide (H2S) (C) Methane (CH4) (D) Carbon dioxide (CO2) Ch...

Given below are two statements: Statement I: Biodiesel can significantly reduce sulfur emissions compared to gasoline. Statement II: The energy density of biodiesel is much lower t...

Which of the following statements are true about the International Solar Alliance? A. It was founded in 2012. B. India is one of the founding countries. C. Its headquarters are in...

Given below are two statements Statement I: Biodiesel can reduce Sulphur emissions significantly in comparison to gasoline. Statement II: Energy density of biodiesel is much less t...

Which of the following statements are correct in this context of energy crops? A. They are fast growing plants B. They require specific season to grow C. They necessarily require f...

Arrange the following renewable energy sources in increasing order of their potential in India. (A) Solar Energy (B) Biomass Energy (C) Wind Energy (D) Geothermal Energy Choose the...

Which of the following statements about biodiversity are correct? A. Biodiversity can support ecosystem stability. B. Human activities have sharply increased species extinctions. C...

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Geothermal energy is not a renewable source of energy. Reas...

Arrange the following fossil fuels in increasing order of their carbon intensities (gC/MJ): (A) Natural gas (B) Coal (C) Petroleum Choose the correct answer from the options given...

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Biomass is considered carbon neutral. Reason (R): The amoun...