Q. With reference to coral reefs consider the following statements:
1.They are called rainforest of the ocean.
2.They are the primary source of food in the marine ecosystem.
3.They grow in deep oceanic waters.
Which of the statements given above are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: A
Notes:

Corals are important to marine life because of the following reasons:

  1. The health of the marine ecosystem is dependent on corals.
  2. They support a wide range of ecosystems and hence, are called the
  3. Corals provide a place to live for a huge variety of fish.
  4. Corals are a primary source of food in the marine ecosystem.

The ideal conditions for growing corals are – a) shallow water, b) Clear water, c) semi-hard or hard surface, d) Saline-filled waters, e) warm water
﷟HYPERLINK “https://www.drishtiias.com/images/uploads/1639463612_Coral_Reefs_of_India_1_drishti_IAS_english.webp”

Source: https://www.indiatoday.in/science/story/scientists-warn-of-ice-sheet-collapse-coral-die-off-climate-tipping-points-teetering-on-edge-1998309-2022-09-09