Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 4: EXERCISES

Author:Shobhita Johari, Pankaj Tyagi & Parminder Chopra

Shobhita Johari Science Solutions for Exercise - Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 4: EXERCISES

Attempt the practice questions from Exercise 4: EXERCISES with hints and solutions to strengthen your understanding. I Explore 3rd EDITION A Science Textbook 8 solutions are prepared by Experienced Embibe Experts.

Questions from Shobhita Johari, Pankaj Tyagi and, Parminder Chopra Solutions for Exercise 4: EXERCISES with Hints & Solutions

EASY
8th CBSE
IMPORTANT

What are unicellular and multicellular organisms? Give two examples of each.

MEDIUM
8th CBSE
IMPORTANT

Why are cells called the building blocks of life?

HARD
8th CBSE
IMPORTANT

What are cell organelles? Name the various cell organelles and list their functions.

HARD
8th CBSE
IMPORTANT

List differences between plant cell and animal cell. Draw a well-labelled diagram of anyone.

HARD
8th CBSE
IMPORTANT

Define and explain the functions of cell membrane. Give experiment to explain semi-permeability.

MEDIUM
8th CBSE
IMPORTANT

What is the process of cell death called?  If cells die, then how do new cells form?

MEDIUM
8th CBSE
IMPORTANT

Whenever you touch a hot object, you remove your hand immediately. What tells your hands to remove itself from hot object? Which cell takes part in this process? What is this process called?

MEDIUM
8th CBSE
IMPORTANT

Mitochondria and chloroplasts are organs whose functions are contradictory in nature. Justify.