Chapter Practice

Author:Rashmi Gupta & Gitika Bhati

Rashmi Gupta Biology Solutions for Exercise - Chapter Practice

Simple step-by-step solutions to Chapter Practice questions of Ecosystem from ISC Biology Class XII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Chapter Practice with Hints & Solutions

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 9

If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following food chain?

Plant→Mice → Snake →Peacock

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 10

The pyramid of numbers is

MEDIUM
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 11

The ecological pyramid that is always upright.

HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 12

Identify the stage common between the hydrarch and xerarch succession.

HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 14

Which one of the following is correct for xerarch succession?

HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 15

Phosphorus is needed for the production of

HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 16

Which of the following is an ecosystem service provided by a natural ecosystem?

HARD
12th ICSE
IMPORTANT
ISC Biology Class XII>Chapter 14 - Ecosystem>Chapter Practice>Q 38

Why are sedimentary cycles slower than gaseous cycles? Explain giving reasons.