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

3

Class 10 Biology
Chapter 16
Full Chapter Challenge Test

1 / 74

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

2 / 74

The thickness of biosphere is:

3 / 74

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

4 / 74

The favourable variations tend to be;

5 / 74

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

6 / 74

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

7 / 74

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

8 / 74

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

9 / 74

Nitrogenous waste includes;

10 / 74

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

11 / 74

Abiotic component of ecosystem is

12 / 74

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

13 / 74

More than normal denitrification change the richness of soil as:

14 / 74

An organism that actively hunts other organisms is called:

15 / 74

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:

16 / 74

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

17 / 74

In 1927, ______________ developed the concept of ecological pyramids.

18 / 74

A symbiotic interaction in which both partners get benefits;

19 / 74

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

20 / 74

The lowest trophic level of an ecosystem always includes:

21 / 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:

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

23 / 74

Habitat destruction can result in a loss of:

24 / 74

An example of Carnivore plants is:

25 / 74

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

26 / 74

Nitrogen is an important component of:

27 / 74

How many tanneries are operating in Kasur city;

28 / 74

Which one is not an example of abiotic factor?

29 / 74

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

30 / 74

The perfect cycle Is;

31 / 74

Habitat is an example of;

32 / 74

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

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

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

35 / 74

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

36 / 74

________ people are at risk of dengue.

37 / 74

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

38 / 74

An Aquarium is an example of Ecosystem;

39 / 74

An epiphyte is an example of:

40 / 74

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

41 / 74

Since 1800, amount of nitrous oxide has Increased about;

42 / 74

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

43 / 74

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

44 / 74

IPCC stands for:

45 / 74

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

46 / 74

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

47 / 74

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

48 / 74

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

49 / 74

Identify the correctly matched pair:

50 / 74

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

51 / 74

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

52 / 74

Flow of energy is always;

53 / 74

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

54 / 74

The utilization of nitrates by organisms is called:

55 / 74

Which is an ectoparasite?

56 / 74

Which one of the following is not a temporary parasite?

57 / 74

Recycling of one tonne paper can save

58 / 74

Pakistan growth rate In 1991 was;

59 / 74

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

60 / 74

Upper layer of the atmosphere Is called;

61 / 74

The base of food chain is always formed by:

62 / 74

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

63 / 74

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

64 / 74

Plants show competition for;

65 / 74

When we eat the onion, our trophic level is;

66 / 74

Fungi digest the dead organic matter with the help of;

67 / 74

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

68 / 74

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

69 / 74

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

70 / 74

Which of the following organisms are decomposers?

71 / 74

It is estimated that Maldives might become uninhabitable within;

72 / 74

Which one is an example of epiphyte?

73 / 74

Which one of the following Is not an endoparasite?

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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