UGC NET Paper 1 — Environmental Science

Which among the followings are the renewable energy resources? A. Biodiesel B. Nuclear Energy C. Solar Energy D. Hydroelectric Energy E. Wind Energy Choose the correct answer from...

Which of the following are biofuels?

Given below are two statements: Statement-I: India is currently the President of the International Solar Alliance. Statement-II: The United States of America is not a member of the...

Given below are two statements: Statement I: Flat plate collectors are example of simplest and most economic solar collectors. Statement II: Some of the solar concentrating collect...

Match List I with List II List I (Solar energy system) List II (Function) A. Solar Ovens I. Drying B. Solar Ponds II. De-salination of water C. Solar Stills III. Cooking D. Solar K...

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...

A coal fired thermal power plant has an efficiency of 35%. The electricity from the power plant is used entirely for lighting purposes with average efficiency of 20%. What is the o...

Which of the following types of power plants provide electricity consistently running 24 hrs per day, 7 days a week?

The second highest concentration in biogas is that of

Small hydro power potential in India is estimated approximately as

Given below are two statements: Statement I: Wind farms are generally set up on exposed hilltops or coasts in remote areas. Statement II: Wind velocities are steady in these remote...

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Production of electricity from Renewable Energy sources is withou...

The optimal range of wind speeds for wind power generation is:

The main environmental concern associated with geothermal energy is the release of

'Solar water still' is a device to

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: As a rule of thumb, sites of average wind speed 8 m/s or above can...

Tidal range (R) is a critical factor in determining whether an estuary would be useful for tidal power generation as energy (E) available per tidal cycle depends on scales with R a...

Which of the following countries has not signed/ratified the International Solar Alliance Framework Agreement?

At present, in India, the total installed renewable power capacity is accounted for by: (a) Solar Power (b) Wind Power (c) Hydropower (d) Urban and industrial waste to energy conve...

Given below are two Statements, one is labelled as Assertion A and other is labelled as Reason R. Assertion A: Carbon dioxide emissions from bioenergy production have traditionally...

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: Energy production from biomass has traditionally been considered...

For wind power electricity generation which among the following type of rotors is most commonly used?

'Solar Water Still' is a device to:

A dish solar cooker: (i) has reflecting material of anodized aluminum sheet. (ii) has a reflectivity of less than 50%. (iii) needs to track the sun to deliver power of about 0.6 kW...

The contribution of renewable energy sources including large hydropower projects in the total installed electric power capacity of India at present (June 2019) is approximately

The fast paced dwindling of certain unique species of birds can be seen:

Identify the correct sequence of biomass fuels in terms of their energy content per unit mass

Indian Government's target for share of renewable energy in the total installed capacity of electric power in India by the year 2030 is:

The target set by Indian government for generating power from wind energy by the year 2022 is: