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EcoSystem

Winmeen WinmeenAugust 9, 2018
0 176 Less than a minute

Eco System- 7th Std Science 3rd Term

Congratulations - you have completed Eco System- 7th Std Science 3rd Term. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1
Forest is an area with high density of _____
A
Trees
B
Grass
Question 2
_________ is an example of a natural ecosystem.
A
Paddy field
B
desert
Question 3
The third trophic level in a food chain is called as
A
herbivore
B
Carnivore
Question 4
A network of interlinked food chain is called a _______
A
Food web
B
Food cycle
Question 5
The festival of “Vanamahostav” is celebrated in the month of
A
June
B
July
Question 6
One of the following is an example for natural eco system
A
Lake
B
Park
C
Paddy field
D
aquarium
Question 7
One of the following is an example for artificial eco system
A
Pond
B
Lake
C
Park
D
forest
Question 8
Bacteria and fungi are known as ______
A
Producers
B
Consumers
C
autotrophs
D
decomposers
Question 9
Pick odd one out
A
soil
B
water
C
plant
D
air
Question 10
The ________ is the ultimate source of energy to all living things.
A
Glucose
B
food
C
plants
D
sun
Question 11
The third trophic level is of _____
A
Producers
B
consumers
C
carnivores
D
decomposers
Question 12
The fourth trophic level is of _____
A
Caraivores
B
top carnivores
C
consumers
D
producers
Question 13
Tropical rain forest is found in ________
A
South America
B
South Africa
C
Australia
D
eastern Pakistan
Question 14
Savannah is found in ______
A
Western Australia
B
Western ghats
C
Assam
D
West Bengal
Question 15
The annual rainfall in temperate grassland is _______
A
10-50 cm
B
20-60 cm
C
25 – 100 cm
D
30-60 cm
Question 16
In India Temperate Grassland is found in ________
A
Tamil nadu
B
Delhi
C
Uttar Pradesh
D
Mumbai
Question 17
The annual rainfall in Deciduous forests is ________
A
60-70 cm
B
75-100 cm
C
10-20 cm
D
40-60 cm
Question 18
Taiga is mostly found in ________
A
Russia
B
India
C
Japan
D
China
Question 19
Number of mega biodiversity centers in the world is _______
A
6
B
10
C
12
D
8
Question 20
Oak, maple, acacia, pine and fir plants are normally present in this forest
A
Tundra
B
desert
C
deciduous forest
D
sarannan
Question 21
Polar bears, penguins and wolves are present in _______
A
Tundra
B
deciduous forest
C
grass land
D
sarannan
Question 22
  • Fill in the blanks.
_______ is an eco system.
A
Forest
B
Jungle
C
Grassland
Question 23
A community of organisms living together with its no-living environment constitutes an _______
A
Environnment
B
Ecology
C
eco system
Question 24
_________ may be natural or artificial.
A
Environment
B
Ecology
C
eco system
Question 25
An aquarium, a park, a paddy field, etc. are example of ________ eco system.
A
Natural
B
Artificial
Question 26
An eco system consists of _________ main components.
A
two
B
Three
C
Four
Question 27
The living components are broadly classified into ______ categories.
A
Two
B
Three
C
Four
Question 28
The _______ is the ultimate source of energy to all living things.
A
Moon
B
Sun
C
mars
Question 29
The path of energy transfer from one organism to another in a single direction is called a _______
A
food chain
B
Food Web
C
Food Pyramid
Question 30
The position of organisms in a food chain is called _______
A
trophic level
B
Food Chain
Question 31
The first trophic level is ______
A
Autotrophs
B
Producers
Question 32
The second trophic level is ______
A
herbivores
B
Carnivores
Question 33
The third trophic level is _______
A
Herbivores
B
carnivores
Question 34
A net work off interlinked food chains is called a _______
A
Food Chain
B
food web
Question 35
________ trap the solar energy and convert it into chemical energy.
A
Green plants
B
Chordates
C
Non Green plants
Question 36
The amount of energy _________ from one trophic level to another.
A
Increases
B
decreases
Question 37
The flow of energy is always in _______ direction only.
A
one
B
Two
C
Three
Question 38
Vast geographical area is called _________
A
Biota
B
biome
C
Biosphere
Question 39
Rainfall is plentiful in ________ forest.
A
trophical rain
B
Fazeberry
Question 40
In India, grassy plains are found in the __________
A
Nilgiris and Naga hills
B
Ooty and Kodaikanal
Question 41
The Thar Desert is found in _______
A
Uttar Pradesh
B
Rajasthan
C
Assam
Question 42
Taiga are also called __________ Forest.
A
Coniferous
B
Boreal
C
Garcia
Question 43
Tudra is found south of the ice covered poles in the ________ hemisphere.
A
Eastern
B
Southern
C
Northern
Question 44
_________ are considered as God’s first temples.
A
Forests
B
Grasslands
C
Corniferous
Question 45
________ is an annual Indian tree planting festival celebrated in the month of July.
A
Vanamahotsav
B
Clean India
Question 46
The _________ have a variety of plants and animals.
A
Eco System
B
biomes
C
Biosphere
Question 47
Match the following
  1. 1.Tropical rain forest                       a. kangaroos
  2. Savannah                    b. penguins
  3. Desert                   c. large cats
  4. Taiga                d. camels
  5. Tundra              e. wolves
A
2 5 1 3 4
B
3 4 1 5 2
C
1 5 2 4 3
D
1 4 3 2 5
Question 48
Match the following
  1. Paddy a. decomposer
  2. Mouse b. top carnivore
  3. Snake c. herbivore
  4. Eagle d. carnivore
  5. Bacteria e. producer
A
1 5 2 4 3
B
5 4 2 3 1
C
2 5 1 3 4
D
1 4 3 2 5
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There are 48 questions to complete.
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Winmeen WinmeenAugust 9, 2018
0 176 Less than a minute
Winmeen

Winmeen

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