PAPER-PEN TEST :

Author:Subha Raghavan & E Annapurna

Subha Raghavan Biology Solutions for Exercise - PAPER-PEN TEST :

Simple step-by-step solutions to PAPER-PEN TEST : questions of Our Environment from CBSE Concise Biology Part 3. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from PAPER-PEN TEST : with Hints & Solutions

EASY
10th CBSE
IMPORTANT

What is the structural and functional unit of a biosphere?

HARD
10th CBSE
IMPORTANT

Give any four methods of waste disposal.

MEDIUM
10th CBSE
IMPORTANT

Explain the concept of the food chain with an example.

MEDIUM
10th CBSE
IMPORTANT

Give any one example of the two-step food chain.

MEDIUM
10th CBSE
IMPORTANT

Give any one example of the three-step food chain.

MEDIUM
10th CBSE
IMPORTANT

Give any one example of the four-step food chain.

HARD
10th CBSE
IMPORTANT

Explain the flow of energy in an ecosystem.

MEDIUM
10th CBSE
IMPORTANT

Explain the different trophic levels in an ecosystem by giving examples in pond and grassland ecosystems.