EASY
Earn 100
Match the following:
(1) Fennec fox
(a) Webbed feet
(2) Jaguar
(b) Leaf insect
(3) Drip tips
(c) Deserts
(4) Camouflage
(d) Deciduous forests
(5) Frogs and ducks
(e) Rainforests
Important Questions on The Living Organisms - Characteristics and Habitats
MEDIUM
Explain with three points how recycling waste materials help in maintaining ecological balance.
MEDIUM
Use of solar energy operated devices instead of LPG for preparation of food is an example of:
EASY
Which radiation coming from the sun, is prevented by the Ozone layer from falling on the earth’s surface?
MEDIUM
Mention any three adverse effects of fishing with chemicals.
EASY
How will you reuse the waste water in your houses?
MEDIUM
What do you mean by the three R's to save the environment? Write in brief.
MEDIUM
An environmentalist on a visit to your school suggested various methods to save the environment.
a) What does the term ‘Reduce’ refer to?
b) List any two advantages of water harvesting.
EASY
The presence of following kind of bacteria in water indicates contamination by disease causing micro-organisms
MEDIUM
Name the group of bacteria, found in human intestines, whose presence in water indicates contamination by diseases causing microorganisms?
MEDIUM
To save the environment you have come across the words ''Reuse'' and ''Recycle''. What do they refer to?
EASY
Everyone of us can do something to reduce our consumption of various natural resources. List any two such activities based on the 3-R approach.
MEDIUM
Give the biological reasons for the following statement:
Water pollution is a major cause of concern in our country.
MEDIUM
“A lot of indiscriminate activities of humans pollute the environment”- Support the statement by giving three examples in favour of it. Give examples of a national park and a biosphere reserve in West Bengal.
EASY
The following very short answer type question of marks may be answered in a few words or few sentences or as may be required:
Why is better to 'Re-use' the things?
EASY
The three R’s to save the environment are
EASY
Sacred groves found in several regions in India are an example of
EASY
Amazon Rain Forest is known as __ .
MEDIUM
One student makes a kaleidoscope using pieces of coloured glass. Which 'R' he has used to protect the environment?
HARD
What is the importance of reduce, recycle and reuse to save the environment? What changes can you make in your habits to become more environment-friendly?
MEDIUM
How are the special features of RBC in camels related to their ability to withstand extreme loss of water? Give examples of the ways Chimpanzees solve their problems intelligently for procuring food and preventing disease.
