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Phosphates an...

Question

Phosphates and nitrates entering a lake cause an explosive growth of algae, this is called

A

Aestivation

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B

Mutualism

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C

Humus

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D

An algal bloom.

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Solution

The correct option is C An algal bloom.
Algal bloom is a rapid increase or accumulation in the population of algae in an acquatic system. The nutrients like potassium and nitrogen are key nutrients for the growth of algae. The presence of these materials and availability of sunlight are key factors for the growth of algae.

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Q. High concentration of nutrients in water, especially nitrates and phosphates, can accelerate which of the following phenomena?

(i) Algal Bloom
(ii) Eutrophication
(iii) Biomagnification

Q. Q55. With reference to Algal Blooms, Consider the following statements:
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2. Algal blooms can be of any color
3. Most algal blooms are not harmful but some produce toxins
Which of the above statement(s) is/are correct?

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