Download App

Wastewater Story — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceWastewater Story1 Mark
MCQ
Assertion (A) Eucalyptus trees should be planted along the sewage ponds.
Reason (R) Eucalyptus trees absorb surplus wastewater rapidly.
  • ✓
    Both A and R are true and R is the correct explanation of A
  • B
    Both A and R are true, but R is not the correct explanation of A
  • C
    A is true, but R is false
  • D
    A is false, but R is true
✓

Answer

Correct option: A.
Both A and R are true and R is the correct explanation of A
(A)Both A and R are true and R is the correct explanation of A.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from Wastewater Story→Wastewater Story — all question types→Science STD 7 question papers→Gujarat Board STD 7 question papers→Gujarat Board question paper generator→

Similar questions

Assertion (A): All parts of a plant, green or non-green, carry out respiration.
Reason (R): Water is broken down in the presence of oxygen during respiration.
→
Assertion (A) The leaves of cactus plant are reduced to spines.
Reason (R) It is an adaptation in cactus plant to increase the rate of photosynthesis.
→
Assertion (A): Erosion is a chemical change.
Reason (R): During erosion, natural forces like wind and flowing water breaks down the rocks to form soil.
→
Assertion (A) The time taken by a pendulum to complete one oscillation is called its time period.
Reason (R) Time period of a simple pendulum does not depend upon the length of pendulum.
→
Assertion (A): Non-metals form acidic oxides.
Reason (R): Non-metallic oxides turn blue litmus paper red.
→
Assertion (A): Speedometers and odometers are used together in vehicles.
Reason (R): One measures the speed, the other the total distance travelled.
→
Assertion (A): Adolescents often experience mood swings.
Reason (R): Mood swings during adolescence are caused by hormonal changes in the body.
→
Assertion (A) In a cell, the longer line represents positive terminal and shorter line represent negative terminal.
Reason (R) A battery is a combination of two or more cells.
→
Assertion (A) Seeds are dispersed to different places.
Reason (R) Drumstick and maple have winged seeds.
→
Assertion (A) Fungi are decomposers.
Reason (R) They maintain the balance of oxygen and carbon dioxide in the atmosphere.
→