Biology 10th class board pattern paper
Biology Chapter No 16 Important questions/biology 10th class notes , if you attempt these question you will get InshaAllah 100% marks its guaranteed
10th Biology
Chapter 16
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Q. 1 Choose the Correct Answer. [1
x 10 = 10]
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|||||
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Q
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Questions
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(A)
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(B)
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(C)
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(D)
|
|
1
|
Consumers
were eaten by ______.
|
Producers
|
Consumers
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Decomposers
|
None of these
|
|
2
|
Thickness
of biosphere is ______ km.
|
10
|
20.
|
30
|
40
|
|
3
|
Human
is:
|
Herbivore
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Carnivore
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Omnivore
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Frugivour
|
|
4
|
Total
organic matter at a place in ecosystem are called:
|
Living
Organisms
|
Non-Living
Organisms
|
Biomass
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Pyramid
|
|
5
|
Biogeochemical
cycles are also called:
|
Carbon
Cycles
|
Nitrogen
Cycles
|
Both A &
B
|
Nutrient
Cycles.
|
|
6
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Parasite
can’t survive without:
|
Host
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Human
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Guest
|
All of these
|
|
7
|
Which
is more complex?
|
Food Chain
|
Food Web
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Pyramid
|
Flow Of
Energy
|
|
8
|
Basic
reason of global warming is disturbing of:
|
Carbon
Cycle.
|
Nitrogen
Cycle
|
Water Cycle
|
Oxygen Cycle
|
|
9
|
Since
1800, the amount of CO2 in atmosphere has increased about ______
%.
|
10
|
20
|
30.
|
40
|
|
10
|
Which
statement was not true according to food web but true according to food
chain?
|
Cow eat Grass
|
Wheat was not eaten by Humans
|
Hawk is Omnivorous
|
None of these
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SECTION II ----- (SHORT QUESTIONS)
Q. 2 Briefly Answer the Following Questions. [2 x 8 = 16]
1 Difference between mutualism and commensalism.
2 Write about the four “R’s” of conservation of nature.
3 Write two effects each for acid rain and deforestation.
4 What is global warming? How it is caused?
5 Define ecosystem and biosphere.
6 Define population and community.
7 Define ecology.
8 What is eutrophication?
SECTION III ----- (EXTENSIVE QUESTIONS)
Question No. 3 ----- [7 Marks]
1 What we can do to conserve our environment? Write at-least four points. (4)
2 How we can control air pollution? (3)
Question No. 4 ----- [7 Marks]
1 Explain nitrogen cycle with diagram. (7)
SECTION IV ----- (PRACTICAL QUESTIONS)
Q. 5 Draw a single food web showing at-least 12 organisms linked with each other through different food chains and food webs. [5]
Q. 6 Give examples of following Interactions other than of book. Book examples contain ZERO marks.
● Competition ● Predation ● Parasitism ● Mutualism ● Commensalism [5]
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