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Daily-static-mcqs 18 May 2024
Q1:
Which of the following is the main component of biogas? 1. Methane 2. Carbon dioxide 3. Hydrogen and 4. Nitrogen How many of the above statements are correct?
A: Only one
B: Only two
C: Only three
D: All four
Answer: b
Explanation:
Biogas consists primarily of methane (CH4) and carbon dioxide (CO2) with small amounts of nitrogen, hydrogen, hydrogen sulfide and oxygen. Hence, option (b) is correct.
Q2:
Asola Bhatti Wildlife Sanctuary is situated in which of the following?
A: Assam
B: Delhi
C: Punjab
D: Arunachal Pradesh
Answer: b
Explanation:
Aravalli mountain range on Delhi-Haryana border Spread over an area of 32.71 sq km on the South Delhi Ridge, Asola-Bhati Wildlife Sanctuary is located in South Delhi as well as the northern parts of Faridabad and Gurugram districts of Haryana. Hence, option (b) is correct.
Q3:
Consider the following statements regarding life forms in aquatic ecosystem : 1. Benthos: Benthic organisms are those which live in the bottom of water. 2. Nekton: These are such organisms which remain attached to the stems and leaves of rooted plants. 3. Neuston: These are non-attached organisms that live at the interface of air and water. How many of the above statements are correct?
A: Only one
B: Only two
C: All three
D: None
Answer: b
Explanation:
Benthos: Benthic organisms are those that live at the bottom of the water. Well-developed benthos are found in practically every aquatic ecosystem. Hence, statement 1 is correct.
Nekton: This group contains animals that swim. Nektons are relatively large and powerful because they have to cross water currents. Hence, statement 2 is incorrect.
Organisms range in size from swimming creatures (about 2 mm long) to the largest creature, the blue whale.
Neuston: These are non-attached organisms that live at the interface of air and water, such as floating plants etc. Hence, statement 3 is correct.
Q4:
Consider the following about Conservation International (CI): 1. It is an inter-governmental environmental organization based in The Hague. 2. Its work focuses on science, policy and partnerships with businesses and communities in relation to climate change and the environment. Which of the above statements is/are correct?
A: 1 only
B: 2 only
C: Both 1 and 2
D: Neither 1 nor 2
Answer: b
Explanation:
Conservation International is an American non-profit environmental organization headquartered in Crystal City, Arlington, Virginia. Hence, statement 1 is incorrect.
Conservation International's work focuses on science, policy and partnerships with businesses, governments and communities. Hence, statement 2 is correct.
Q5:
Consider the following statements regarding Ice Sheets: 1. Ice sheets also affect weather and climate. 2. At present only two ice sheets exist on Earth, namely Greenland and Antarctica. 3. Snow sheets are formed in those areas where snow falls in winter but it does not melt completely in summer. How many of the above statements are correct?
A: Only one
B: Only two
C: All three
D: None
Answer: c
Explanation:
Ice sheets remain in constant motion and slowly flow along the slopes. The Greenland and Antarctic ice sheets also influence weather and climate. Hence, statement 1 is correct.
Ice sheets are glacial ice that extends over an area of 50,000 square kilometers (20,000 square miles). Currently only two ice sheets exist on Earth, namely Greenland and Antarctica. Hence, statement 2 is correct.
Ice sheets are formed in areas where snow falls in winter but does not melt completely in summer. Over thousands of years, ice sheets accumulate as thick layers of ice and become denser and thicker as new ice is deposited on top of old ice. Hence, statement 3 is correct.
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