10th Samacheer Quiz

Q1. The 3Rs are Reduce, Reuse and Recycle.

Reduce, Reuse, Recycle Read, Repeat, Recall Rise, Run, Rest Repair, Remove, Return

Q2. Why is community participation important in forest conservation?

Local cooperation can make conservation sustainable It stops rainfall It destroys all organisms It must increase fuel use

Q3. Biodiversity refers to variety of living organisms.

Biodiversity Humidity Velocity Pressure

Q4. What environmental impact can increase with deforestation?

Soil erosion Soil fertility always increases Rainfall always increases Biodiversity increases

Q5. What is a major benefit of rainwater harvesting?

Helping recharge groundwater Polluting air Increasing soil erosion Creating waste

Q6. What is a main purpose of recycling?

Converting waste into reusable materials Increasing waste Evaporating water Stopping air

Q7. Which statement is most directly related to Unit 22: Environmental Management?

Biodiversity Cell wall Gravity Photosynthesis