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(GIST OF SCIENCE REPORTER) MCQs July 2024

(GIST OF SCIENCE REPORTER) MCQs

(JULY-2024)

MCQs

1. The term “Gyre” in oceans refers to the extensive system of spiralling oceanic currents. Which of the following are the five significant gyres?

a) North Pacific Subtropical, South Pacific Subtropical, North Atlantic Subtropical, South Atlantic Subtropical, and Indian Ocean Subtropical

b) North Arctic Subtropical, South Arctic Subtropical, North Atlantic Subtropical, South Atlantic Subtropical, and Indian Ocean Subtropical

c) Only a

d) Both a & b

2. “Great Pacific Garbage Patch” — the largest accumulation of oceanic garbage patch — lies in which of the following oceanic divisions.

a) South Pacific Ocean

b) North Pacific Ocean

c) West Pacific Ocean

d) East Pacific Ocean

3. Which of the following stretches of the “Great Pacific Garbage Patch” has a high concentration of marine trash?

a) Hawaii and California

b) San Francisco and California

c) Los Angeles and Hawaii

d) San Diego and Hawaii

4. Factors such as water ________,________ & __________ restrict the geographic distribution of reef-building corals. __________ Ocean basin has the most corals.

a) Temperature, Salinity & Clarity and Pacific

b) Temperature, Salinity & Clarity and Atlantic

c) Only a

d) Both a & b

5. Higher rates of evaporation result in increased salinity of the ocean. The saltiest areas in the sea are typically regions with high evaporation rates or large water bodies with no outlet to the sea. Identify the saltiest ocean basin from the following options.

a) Atlantic Ocean

b) Pacific Ocean

c) Indian Ocean

d) Arctic Ocean

e) Southern Ocean

6. This sea’s high salinity increases the water’s density, making objects in the water more buoyant. This makes swimming in the sea difficult. Which of the following natural waters is known for having the saltiest water and containing the most mineral content, in the world? a) Black Sea

b) Baltic Sea

c) Salton Sea

d) Dead Sea

7. Select the right option for the units used in measuring the distance travelled and speed in water, respectively.

a) Kilometre & Mile

b) Knot & Nautical miles

c) Nautical miles & Knot

d) Mile & Kilometre

8. The “Ring of Fire”, around the edges of the Pacific Ocean, is the home of the majority of the Earth’s active volcanoes and is defined as the_______________.

a) String of underwater volcanoes and earthquake sites b) Magma on land

c) Only a

d) Both a & b

9. The globally recognised regime “United Nations Convention on the Law of the Sea” (UNCLOS) deals with ____________.

a) “Matters relating to the law of the sea”

b) “Cleaning the world’s oceans only”

c) Only a

d) Both a & b

10. The UNCLOS came into force in accordance with its article 308 on ______________________

a) 17 November 1994

b) 16 November 1994

c) 20 November 1994

d) 15 November 1994

11. UNEP, primarily through its ___________________, aims to safeguard oceans and seas while promoting the sustainable use of marine resources. ___________________ is the sole legal framework in the world that protects oceans & seas at the regional level.

a) Regional Seas Programme & Regional Seas Conventions and Action Plans

b) United Nations Convention on the Law of the Sea & Regional Seas Programme

c) Only a

d) Both a & b

12. Which of the following is the UN’s institution responsible for creating a “fair and effective, generally accepted and implemented legal framework for the shipping industry”?

a) The International Maritime Organisation (IMO)

b) Global Oceanographic Data Archaeology and Rescue (GODAR)

c) National Oceanic & Atmospheric Administration

d) None of the above

13. In which year was the Coastal Regulation Zone (CRZ) established, a regulatory framework for India’s coastal areas aimed at conserving ecosystems and resources?

a) 1990

b) 1992

c) 1993

d) 1991

14. What plan does the Indian Coast Guard (ICG) have to respond to oil spills in Indian waters that apply to shipping, ports, and oil industries?

a) National Oil Spill Disaster Contingency Plan (NOSDCP)

b) Coast Guard Act

c) Coastal Regulation Zone

d) All above

15. Which of the following is the ocean’s twilight zone, found between lighter and darker areas? It is a layer of water stretching around the whole globe.

a) Mesopelagic zone

b) Torrid zone

c) Abyssal zone

d) All above