Biology Practice MCQs Chapter 13 Class 12


193
Created on By Ali Durrani

Biology Ch 13 Class 12 Man and His Environment

1 / 37

Hot substance is escaped from inside the earth in the form of

2 / 37

Grassland of Argentina is:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

3 / 37

Process that supplies food to living things through decaying and decomposition is called

4 / 37

The productivity of aquatic ecosystem is determined by:

NUMS 2016
Biology
Man and His Environment
Elimination Tool:

5 / 37

Water constitutes –% of body weight?

6 / 37

The animals that feed on organic debris from decomposing plants and animals are called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

7 / 37

An area previously supporting life is made barren, the subsequent recolonization is called ______.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

8 / 37

The actual or preserved remains of the organisms that lived in the ancient past are called:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

9 / 37

Which of the following is not correct for food web?

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

10 / 37

In a forest, there are a lot of plants; trees, shrubs, and herbs. What will the Palm trees face if they grow in the same forest?

NTS 2019
Biology
Man and His Environment
Elimination Tool:

11 / 37

Endangered species are

12 / 37

Wind blows from area of

13 / 37

Wild life refers to

14 / 37

Overgrazing results in:

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

15 / 37

Which statement is true?

16 / 37

Hydroelectricity is generated by using ______ of falling water.

17 / 37

In oceans of tropical regions

18 / 37

The position of an organism in a food chain of an ecosystem called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

19 / 37

In air % of oxygen and carbon dioxide is

20 / 37

In air nitrogen is

21 / 37

Total area of the world under cultivation is

 

22 / 37

Study of environmental relations is called:

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

23 / 37

Which of the following statements is true about Savannah?

NTS 2015 DUHS and JSMU
Biology
Man and His Environment
Elimination Tool:

24 / 37

Geothermal energy is

25 / 37

When resources gets scarce, the population growth?

PMC Practice 1
Biology
Man and His Environment
Elimination Tool:

26 / 37

Conversion of ammonium into nitrates is:

UHS 2018
Biology
Man and His Environment
Elimination Tool:

27 / 37

Greenhouse gases are those that:

NUMS 2015
Biology
Man and His Environment
Elimination Tool:

28 / 37

Flow of energy in an ecosystem is:

NUMS 2014
Biology
Man and His Environment
Elimination Tool:

29 / 37

Process ensuring the survival of species over long periods of time, even though individual members of the species die.

UHS 2018
Biology
Man and His Environment
Elimination Tool:

30 / 37

Driving force for all the cycles in ecosystem is

31 / 37

Which of the following trophic levels has the largest biomass in ecosystems?

NUMS 2018
Biology
Man and His Environment
Elimination Tool:

32 / 37

Tides are caused by

33 / 37

Study of human population and things that affect them is

34 / 37

Which one is a non-renewable resource?

35 / 37

Which of the following describes an ecological niche?

NTS 2015 SMBBMC
Biology
Man and His Environment
Elimination Tool:

36 / 37

Balance in the nutrient cycle can be upset when

37 / 37

In nitrogen fixation, nitrogen is converted to:

NUMS 2019 Cancelled
Biology
Man and His Environment
Elimination Tool:

Your score is

The average score is 62%

0%




,

Kindly share MCQs & Explanations Here

Open chat
Salam
Can we help you?