Home
Class 12
BIOLOGY
Assertion a : Azolla is used as bioferti...

Assertion a : Azolla is used as biofertilzer in rice fields
Reason r: Azolla contains nitrogen fixing cyanobacteria in its root nodules

A

Both a and r true, but r is not correct explanation of a

B

a is true but r is false

C

a is false but r is true

D

Both a and r are true and r is correct explanation of a

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise CYG|13 Videos

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise Brain Teasers-VIII|60 Videos

  • MICROBES IN HUMAN WELFARE

    DINESH PUBLICATION|Exercise Brain Teasers-VIII|60 Videos

  • MAMMALIA [MAMMA - BREAST]

    DINESH PUBLICATION|Exercise Brain Teasers - I|101 Videos

  • MOLECULES OF THE CELL

    DINESH PUBLICATION|Exercise CYG|33 Videos

Similar Questions

Explore conceptually related problems

Assertion. Azolla pinnata is used as a biofertilizer in rice cultivation. Reason. Azolla performs dinitrogen fixation with the help of symbotic bacterium Bacillus sp.

Nitrogen-fixing enzyme found in root nodules is

A nitrogen-fixing cyanobacteria found in coralloid root of cyacas is

Azolla pinnata is allowed to grow in rice fields because

Nitrogen fixing enzyme in root nodule is

Nitrogen fixing enzyme in root nodule is

What is the name of nitrogen fixing bacterium found in the root nodules of legumes ?