Home
Class 12
BIOLOGY
Assertion: Ecological sanitation is a su...

Assertion: Ecological sanitation is a sustainable system for handling human excreta.
Reason: It is a practical and hygienic method of using dry composting toilets.

A

If both Assertion and Reason are true and the reason is the correct explanation of the assertion, then mark (1).

B

If both Assertion and Reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

If Assertion is true but Reason is false, then mark (3).

D

If both Assertion and Reason are false, then mark (4).

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|45 Videos

  • ENVIRONMENTAL ISSUES

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES|45 Videos

  • ECOSYSTEM

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (CHOOSE THE CORRECT OPTION)|41 Videos

  • EVOLUTION

    CENGAGE BIOLOGY ENGLISH|Exercise Archives|38 Videos

Similar Questions

Explore conceptually related problems

Ecological sanitation is a sustainable system for handling human excreta, using dry composting toilets. Such 'EcoSan' toilets are working in many areas of:

Assertion : Sterilisation is a terminal method used only for males Reason : Sterilisation is highly effective and its reversibility is very good.

Assertion :- Sterilization is a terminal method used only for males. Reason :- This technique is highly effective and reversibility is good.

Assertion :- Lactic acid bacteria are useful for human. Reason :- Lactobacillus can perform retting.

Assertion: Amplification is necessary to compensate for the attenualtion of the signal in communication system. Reason: Amplification is the process of increasing the amplitdue and consequently the strength of a signal using an electronic circuit.

Assertion : Surgical methods of contraception are practiced to space two successive conceptions. Reason : During surgical methods, ovaries from females or testes from males are removed.

Assertion : van Arkel method is used for refining of Zinc. Reason : In this method impure is evaporated to obtain the pure metal as distillate .

Assertion :- Haemodialysis method is used in case of kidney failure. Reason :- Malfunctioning of kidney leads to uremia.

Assertion : Zone refining method is very useful for producing semiconductors. Reason : Semiconductors are of high purity.

Assertion: Vector addition is commutative. Reason: Two vectors may be added graphically using head- to-tail method or parallelogram method.