Biology 10 Chapter 16 Challenge MCQs Test

ByMuhammad Zaman

In Biology 10 Chapter 16 Challenge MCQs Test, there are 74 MCQs. This test contains all the Chapter 16 MCQs of practice tests. So just do the practice of all the 5 MCQs Tests then come to do this test. All these MCQ tests are for Federal Board students.

Biology 10 Chapter 16 Challenge MCQs Test

Challenge MCQs Test

11

Class 10 Biology
Chapter 16
Full Chapter Challenge Test

1 / 74

__________ atom is the principal building block of many kinds of biomolecules.

2 / 74

More than normal denitrification change the richness of soil as:

3 / 74

The temperature of Earth's surface has Increased _____________ per decade in the past 30 years;

4 / 74

In 1927, ______________ developed the concept of ecological pyramids.

5 / 74

Graphic representation of the number of individuals per unit area at various trophic levels of a food chain is called;

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The type of symbiotic relationship in which one member get benefit and other is harmed is called:

7 / 74

A symbiotic interaction in which both partners get benefits;

8 / 74

The utilization of nitrates by organisms is called:

9 / 74

Nitrogenous waste includes;

10 / 74

The current level of urbanization in Pakistan is about _________ which is not high by global standards.

11 / 74

In the food chain tree --- caterpillar ---robin --- hawk --- coyote, which is secondary consumer?

12 / 74

The major process that brings carbon from atmosphere into living world is:

13 / 74

Which one of the following is not a temporary parasite?

14 / 74

When we eat the onion, our trophic level is;

15 / 74

Which of the following organisms are decomposers?

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Which of the following Is not an example of green house gas?

17 / 74

Flow of energy is always;

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The favourable variations tend to be;

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A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called:

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Water, soil, air, temperature, wind and sunlight are examples of:

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The consumers that eat animal flesh as well as plants and plant products are called:

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An epiphyte is an example of:

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The lowest trophic level of an ecosystem always includes:

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The base of food chain is always formed by:

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Which one is not an example of abiotic factor?

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A network of all the feeding relationships In an ecosystem is called:

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The self-sufficient unit of an environment that is formed as a result of Interaction between ifs biotic community and its abiotic components is known as:

28 / 74

Which one is an example of epiphyte?

29 / 74

In the food chain "grass --- rabbit ---fox --- bear mushroom", how many types of decomposers are present?

30 / 74

The type of environment in which a particular species lives is called;

31 / 74

Organisms in the ecosystem that are responsible for the recycling of plant and animal wastes are;

32 / 74

Since 1800, amount of \(CO_{ 2 }\) in atmosphere has Increased about;

33 / 74

________ get solar energy and transform it into chemical energy by the process of photosynthesis

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Nitrogen is an important component of:

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Organism that make their own food with help of sunlight, \({ CO }_{ 2 }\) and \({ H }_{ 2 }O\) are called;

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Abiotic component of ecosystem is

37 / 74

An organism that actively hunts other organisms is called:

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________ is the breakdown of the proteins of dead organisms to ammonia.

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Which is an ectoparasite?

40 / 74

Fungi digest the dead organic matter with the help of;

41 / 74

Plants show competition for;

42 / 74

Pakistan growth rate In 1991 was;

43 / 74

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called:

44 / 74

In an ecosystem the flow of ___________ is one way, while ____________ are constantly recycled.

45 / 74

Which form of Nitrogen Is taken by the producers of the ecosystem?

46 / 74

Identify the correctly matched pair:

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A group of organisms, similar to one another, which can Interbreed in nature and produce fertile offspring:

48 / 74

Scientists fear that sea level is rising upto _________ per Year.

49 / 74

The living organisms which cannot prepare their own food but obtain ready made food from others, are:

50 / 74

Since 1800, amount of nitrous oxide has Increased about;

51 / 74

How many tanneries are operating in Kasur city;

52 / 74

It is estimated that Maldives might become uninhabitable within;

53 / 74

A relationship between species in which both species benefit is called:

54 / 74

Habitat destruction can result in a loss of:

55 / 74

Which one of the following is not an example of fossil fuels?

56 / 74

Habitat is an example of;

57 / 74

Upper layer of the atmosphere Is called;

58 / 74

According to estimate at the current rate of increase, the average global temperature will go upto by ________ In the next 100 years.

59 / 74

________ people are at risk of dengue.

60 / 74

At which trophic level In a food chain, carnivores get food?

61 / 74

A group of organisms which can interbreed freely in nature to produce fertile offspring is called;

62 / 74

The type of symbiotic relationship in which one member get benefit and other is unaffected is called:

63 / 74

An example of Carnivore plants is:

64 / 74

Living of nitrogen fixer bacteria In the root nodules of leguminous plants is an example of;

65 / 74

Recycling of one tonne paper can save

66 / 74

The thickness of biosphere is:

67 / 74

IPCC stands for:

68 / 74

Which of the following is the abiotic component of an ecosystem?

69 / 74

The perfect cycle Is;

70 / 74

When living and non-living interact to produce a stable system in which exchange of material with flow of energy takes place, It forms a/an:

71 / 74

The materials flow from one trophic level to the next by means of:

72 / 74

Which one of the following Is not an endoparasite?

73 / 74

An Aquarium is an example of Ecosystem;

74 / 74

In 2003, a survey on tanneries In Kasur City showed that ________ of residents suffered from cancer infections of kidney or loss of eyesight.

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