Eco System- 7th Std Science 3rd Term
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Question 1 |
Forest is an area with high density of _____
Trees | |
Grass |
Question 2 |
_________ is an example of a natural ecosystem.
Paddy field | |
desert |
Question 3 |
The third trophic level in a food chain is called as
herbivore | |
Carnivore |
Question 4 |
A network of interlinked food chain is called a _______
Food web | |
Food cycle |
Question 5 |
The festival of “Vanamahostav” is celebrated in the month of
June | |
July |
Question 6 |
One of the following is an example for natural eco system
Lake | |
Park | |
Paddy field | |
aquarium |
Question 7 |
One of the following is an example for artificial eco system
Pond | |
Lake | |
Park | |
forest |
Question 8 |
Bacteria and fungi are known as ______
Producers | |
Consumers | |
autotrophs | |
decomposers |
Question 9 |
Pick odd one out
soil | |
water | |
plant | |
air |
Question 10 |
The ________ is the ultimate source of energy to all living things.
Glucose | |
food | |
plants | |
sun |
Question 11 |
The third trophic level is of _____
Producers | |
consumers | |
carnivores | |
decomposers |
Question 12 |
The fourth trophic level is of _____
Caraivores | |
top carnivores | |
consumers | |
producers |
Question 13 |
Tropical rain forest is found in ________
South America | |
South Africa | |
Australia | |
eastern Pakistan |
Question 14 |
Savannah is found in ______
Western Australia | |
Western ghats | |
Assam | |
West Bengal |
Question 15 |
The annual rainfall in temperate grassland is _______
10-50 cm | |
20-60 cm | |
25 – 100 cm | |
30-60 cm |
Question 16 |
In India Temperate Grassland is found in ________
Tamil nadu | |
Delhi | |
Uttar Pradesh | |
Mumbai |
Question 17 |
The annual rainfall in Deciduous forests is ________
60-70 cm | |
75-100 cm | |
10-20 cm | |
40-60 cm |
Question 18 |
Taiga is mostly found in ________
Russia | |
India | |
Japan | |
China |
Question 19 |
Number of mega biodiversity centers in the world is _______
6 | |
10 | |
12 | |
8 |
Question 20 |
Oak, maple, acacia, pine and fir plants are normally present in this forest
Tundra | |
desert | |
deciduous forest | |
sarannan |
Question 21 |
Polar bears, penguins and wolves are present in _______
Tundra | |
deciduous forest | |
grass land | |
sarannan |
Question 22 |
- Fill in the blanks.
Forest | |
Jungle | |
Grassland |
Question 23 |
A community of organisms living together with its no-living environment constitutes an _______
Environnment | |
Ecology | |
eco system |
Question 24 |
_________ may be natural or artificial.
Environment | |
Ecology | |
eco system |
Question 25 |
An aquarium, a park, a paddy field, etc. are example of ________ eco system.
Natural | |
Artificial |
Question 26 |
An eco system consists of _________ main components.
two | |
Three | |
Four |
Question 27 |
The living components are broadly classified into ______ categories.
Two | |
Three | |
Four |
Question 28 |
The _______ is the ultimate source of energy to all living things.
Moon | |
Sun | |
mars |
Question 29 |
The path of energy transfer from one organism to another in a single direction is called a _______
food chain | |
Food Web | |
Food Pyramid |
Question 30 |
The position of organisms in a food chain is called _______
trophic level | |
Food Chain |
Question 31 |
The first trophic level is ______
Autotrophs | |
Producers |
Question 32 |
The second trophic level is ______
herbivores | |
Carnivores |
Question 33 |
The third trophic level is _______
Herbivores | |
carnivores |
Question 34 |
A net work off interlinked food chains is called a _______
Food Chain | |
food web |
Question 35 |
________ trap the solar energy and convert it into chemical energy.
Green plants | |
Chordates | |
Non Green plants |
Question 36 |
The amount of energy _________ from one trophic level to another.
Increases | |
decreases |
Question 37 |
The flow of energy is always in _______ direction only.
one | |
Two | |
Three |
Question 38 |
Vast geographical area is called _________
Biota | |
biome | |
Biosphere |
Question 39 |
Rainfall is plentiful in ________ forest.
trophical rain | |
Fazeberry |
Question 40 |
In India, grassy plains are found in the __________
Nilgiris and Naga hills | |
Ooty and Kodaikanal |
Question 41 |
The Thar Desert is found in _______
Uttar Pradesh | |
Rajasthan | |
Assam |
Question 42 |
Taiga are also called __________ Forest.
Coniferous | |
Boreal | |
Garcia |
Question 43 |
Tudra is found south of the ice covered poles in the ________ hemisphere.
Eastern | |
Southern | |
Northern |
Question 44 |
_________ are considered as God’s first temples.
Forests | |
Grasslands | |
Corniferous |
Question 45 |
________ is an annual Indian tree planting festival celebrated in the month of July.
Vanamahotsav | |
Clean India |
Question 46 |
The _________ have a variety of plants and animals.
Eco System | |
biomes | |
Biosphere |
Question 47 |
Match the following
- 1.Tropical rain forest a. kangaroos
- Savannah b. penguins
- Desert c. large cats
- Taiga d. camels
- Tundra e. wolves
2 5 1 3 4 | |
3 4 1 5 2 | |
1 5 2 4 3 | |
1 4 3 2 5 |
Question 48 |
Match the following
- Paddy a. decomposer
- Mouse b. top carnivore
- Snake c. herbivore
- Eagle d. carnivore
- Bacteria e. producer
1 5 2 4 3 | |
5 4 2 3 1 | |
2 5 1 3 4 | |
1 4 3 2 5 |
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There are 48 questions to complete.
