Home
Class 12
BIOLOGY
Assertion (A): Plains and valleys are ri...

Assertion (A): Plains and valleys are rich in vegetation
Reason (R): Slow drain of surface water and better water retention is noticed.

A

A is true R is false

B

R explains A

C

A and R are false

D

A and R are true. But R doesnot explains A

Text Solution

Verified by Experts

The correct Answer is:
B
R explains A
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF ECOLOGY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (2-MARK QUESTIONS)|37 Videos

  • PRINCIPLES OF ECOLOGY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (3-MARK QUESTIONS)|14 Videos

  • PRINCIPLES OF ECOLOGY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (HIGHER ORDER THINING SKILLS (HOTs) QUESTIONS)|4 Videos

  • PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|4 Videos

  • REPRODUCTION IN ORGANISMS

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs ) Questions|7 Videos

Similar Questions

Explore conceptually related problems

The plains and valleys are rich in vegetation due to.

Assertion (A) : Iron ball sinks in water. Reason(R) : Water is denser than iron.

Assertion (A) : Prawn is an aquatic crustacean Reason (R) : Macrobrachium rosenbergii is used in fresh water culture.

Assertion (A) : It is easier to swim in sea water than in river water. Reason (R): Density of sea water is more than that of river water.

Assertion (A): Aquaporins are water permeable channels Reason (R) : Aquaporins allow water to move across the epithelial cells in relation to the osmotic difference from the lumen to the interstitial fluid.

Assertion (A): Only one parent is required for natural vegetative propagation. Reason (R ): New individual plants produced are genetically identical.

Assertion : The cells of endothecium are hygroscopic in nature. Reason : They absorb water from air.