Home
Class 12
BIOLOGY
Assertion Phosphours and nitrogen compou...

Assertion Phosphours and nitrogen compounds in a lake, favour the luxuriant growth of algae.
Reason Water bloom condition occurs in eutrophic ponds.

A

Both Assertion and Reason are true, but Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is false

D

Assertion is false, but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
In polluted water, the concentration of phosphorus and nitrogen compounds increases. These compounds favour the luxurient growth of algae which generate an overproduction of these algae called water bloom.
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    ARIHANT NEET|Exercise Chapter exercises ( C) Medical entrances gallery (Collection of Questions Asked in NEET & in Various Medical Entrance Exams)|97 Videos

  • ENVIRONMENTAL ISSUES

    ARIHANT NEET|Exercise Chapter exercises (B) Medical entrances special format questions (Matching)|5 Videos

  • ECOSYSTEM

    ARIHANT NEET|Exercise Exercises C Medical entrances gallery (collection of questions Asked in NEET & Various Medical Entrance Exams)|77 Videos

  • EVIDENCES OF EVOLUTION

    ARIHANT NEET|Exercise Chapter exercises (Medical entrances gallery)(Collection of questions Asked in NEET & Various Medical Entrance Exams )|58 Videos

Similar Questions

Explore conceptually related problems

Main reason of water bloom in rivers, lakes, sea etc. is:

Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications

During the downpour in a village, the rain water carried away excess of nitrogenous and other compounds present in the soil to a pond. How will they affect the growth of algae and phytoplankton in the pond ?

Assertion : Proto-oncogenes are cellular genes required for normal growth. Reason : Under normal conditions they could lead to the oncogenic transformation of the cell.

Assertion :- Plant growth and development is intimately linked with the water status of plant cell. Reason:- Water provides the medium for enzymatic activities.

Assertion: The biological diversity is unchangeable with the change in latitude. Reason: Environmental conditions are favourable in speciation.

Assertion. Arthropods undergo periodic ecdysis during their growth. Reason. Arthropods have compound eyes.