Biology Chapter No.12 Some Major Ecosystem 2nd Year Online MCQs FOR MDCAT & ECAT PREPARATION

by userMarch 5, 2020May 10, 202200

Biology
Chapter Name : Some Major Ecosystem
Chapter No. 12
Second Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

Book Name : Biology
Chapter No. 12
Chapter Name : Some major Ecosystem
Total MCQ from Text Book : 97
Book Version : 2022
Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh,KPK,Balochistan,AJK,Gilgit Baltistan,Punjab & Federal

Class / Grade : 12th ( F.Sc. Intermediate)
Total Marks : 97
Total Time : 97 minutes

GRADE 12 - BIOLOGY CHAPTER NO.12 SOME MAJOR ECOSYSTEM

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GRADE 12 - BIOLOGY CHAPTER NO.12 SOME MAJOR ECOSYSTEM

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Question 1

Alpine tundra is found in Pakistan:

A	Gilgit
B	Hindu kush
C	Waziristan
D	swat

Question 2

In aquatic ecosystem, near shore zone is called (Sgd 2016)

A	limnetic zone
B	Benthic zone
C	profundal zone
D	littoral zone

Question 3

Limnetic phytoplanktons include the:

A	algae
B	Mosses
C	Bateria
D	cyanobacteria

Question 4

Alpine coniferous forests are found in high:

A	none
B	Longitude
C	Latitude
D	altitude

Question 5

Mountains of Kara-Koram and HindukuMi are the regions, also called as:

A	gross land
B	Deserts
C	tundra
D	taiga

Question 6

The productivity can be indicated by:

A	Evolution of CO2
B	Evolution of N2
C	Consumption of CO2
D	Consumption of O2

Question 7

Arctic foxes are present in:

A	Tundra
B	None
C	Desert
D	Savanna

Question 8

Which one is a plant of a desert:

A	Rose
B	Dwarf Willow
C	Cactus
D	Pinur

Question 9

Which of the followings plants does not belonged to temperate

Question 10

Grassland of Tropic climates are called:

A	Prairy
B	Grassland
C	Savanna
D	Savanna & Grassland

Question 11

The animal found in litoral zone are:

A	hydra
B	all of these
C	snail
D	frog

Question 12

Boreal coniferous forests are found In high:

A	Longitude
B	Latitude
C	altitude
D	none

Question 13

Little light is left at the depth of:

A	200 feet
B	400 feet
C	800 feet
D	600 feet

Question 14

How much of the earth's surface is occupied by marine water ecosystem:

A	75%
B	71%
C	69%
D	70%

Question 15

In Sindh, the desert ecosystem is called:

A	ghobi
B	Thal
C	Sahara
D	Thal

Question 16

A vast treeless region bordering the artic ocean is called.

A	Savanna
B	prairies
C	None
D	Tundra

Question 17

The plants found in desert is:

A	Texus
B	Berberis
C	Forbs
D	Cactus

Question 18

Desert ecosystem of Bhakkar and Mianwali is called:

A	Rohi
B	Cholistan
C	Thal
D	Thar

Question 19

Savanna also have

A	grasses
B	woody trees
C	shrubs
D	woody trees & shrubs

Question 20

Drifting or floating microscoping animals and plants are called:

A	cyanobacteria
B	Mammals
C	Fungi
D	plankton

Question 21

Northern coniferous forest are called:

A	praries
B	taiga
C	Boreal
D	Alpine

Question 22

Panicum forms which layer of grass land.

A	3rd
B	1st
C	2nd
D	all of above

Question 23

Fresh water constitue less than of total water:

A	1%
B	5%
C	10%
D	2%

Question 24

Coniferous forest located at high latitude are called:

A	Alpine
B	taiga
C	prairies
D	Boreal

Question 25

The area near shore is :

A	limnetic zone
B	profundal zone
C	none of these
D	littoral zone

Question 26

Productivity of an ecosystem cannot be measured by:

A	Amount of O2 released
B	Measuring the standing crop
C	none of these
D	Amount of CO2 absorbed

Question 27

The animals found in tundra are:

A	Ducks
B	Tiger
C	Sheep
D	fox

Question 28

The desert ecosystem found in Sind is:

A	Thal
B	Thar
C	Cholistan
D	None

Question 29

In temperate grassland the rate of primary production is about:

A	700-1800g/m2
B	700-1400g/m2
C	700-1500g/m2
D	700-1600g/m2

Question 30

Which of the followings is Zooplankton?

A	Protista
B	Crustaccans
C	Algae
D	Bacteria

Question 31

Macaca mulatto is commonly known as:

A	Gorilla
B	apes
C	Rhesus monkey
D	chimpanzee

Question 32

The over all pattern of weather change in year is:

A	Temperature
B	climate
C	season
D	none of these

Question 33

Coniferous forest Taiga are present in:

A	South
B	North
C	East
D	West

Question 34

Limnetic phytoplankton includes the:

A	moss
B	cyanobacteria
C	fungi
D	algae

Question 35

The animals found in grassland are:

A	Elephant
B	sheep
C	Tiger
D	fox

Question 36

The bottom of lake is :

A	none of these
B	limnetic zone
C	littoral zone
D	profundal zone

Question 37

Desert ecosystem is found in pakistan

A	Hindokush
B	shorgan valley
C	swat
D	fort abbas

Question 38

Prairies are present in

A	North america
B	South america
C	Australia
D	Argentina

Question 39

Salt water ocean constitute percentage of water of earth:

A	51%
B	42%
C	71%
D	61%

Question 40

which of the followings is phytoplanktkon?

A	amoeba
B	crustaceans
C	paramecium
D	algae

Question 41

Andropogan is a type of

A	none
B	Mid high grass
C	shrub
D	Tall grass

Question 42

The great desert of the world is

A	Thar
B	Sahara
C	Chile
D	Gobi

Question 43

Which of the followings plants in found In coniferous and boreal forest:

A	Forbs
B	Texus
C	Berberis
D	pinus

Question 44

Grasslands present in temperate climate are called:

A	none
B	Prairy
C	Savanna
D	Grassland

Question 45

Alpine tundra is found in:

A	High latitude
B	High altitude
C	None
D	High longitude

Question 46

The grass land with scattered trees is called:

A	Pampes
B	prairies
C	none
D	Savanna

Question 47

Arctic tundra is found in:

A	Australia
B	Hindokush
C	North america
D	South america

Question 48

The organism which lies in the profundal zone are:

A	frog
B	snail
C	hydra
D	crustaceans

Question 49

In Sindh the desert ecosystem is called:

A	Thal
B	Sahara
C	Thar
D	gobl

Question 50

The plants in temperate deciduous forests:

A	Have long roots
B	Conserved water
C	shed their leaves
D	Remain ever green

Question 51

The annual rain fall in grass land ecosystem is:

A	250-750 cm
B	25-50 cm
C	1500-1700cm
D	750-1500 cm

Question 52

Which factor does affect the lithospheric ecosystem:

A	all
B	Water
C	Temperature
D	air

Question 53

The rain fall in the temperate deciduous forest is:

A	250-750 mm
B	25-50cm
C	1500-1700cm
D	750-1500mm

Question 54

Pampas are found in:

A	Argentina
B	Australia
C	Europe
D	America

Question 55

Fresh water ecosystem covers:

A	4%
B	3%
C	2%
D	1%

Question 56

Here, light is insufficient to support photosynthesis: (Fsd 2013, Bwp 2015)

A	limnetic zone
B	littoral zone
C	Photoplankton zone
D	profundal zone

Question 57

Shallow water zone of the lake near the shore is called:

A	none of these
B	littoral zone
C	limnetic zone
D	profundal zone

Question 58

Annual rainfall is grasslands is in range:

A	250 - 750 mm
B	250 - 300 mm
C	10 - 30 inches
D	250 - 300 mm & 250 - 750 mm

Question 59

The treeless region on the high altitude is:

A	Desert
B	Taiga
C	Tundra
D	Grassland

Question 60

Man uses coniferous and boreal forests as:

A	fruits
B	lumber
C	Agriculture
D	all of these

Question 61

The degree at which deserts are found in north and south latitude is:

A	20-Oct
B	20-30
C	40-50
D	30-40

Question 62

Fresh water ecosystem covers less than

A	5%
B	7%
C	1%
D	3%

Question 63

Which of the following is short grass:

A	poa
B	oryzopsis
C	andropogon
D	stipa

Question 64

Cederous deodara is present in the ecosystem.

A	Savanna
B	temperte deciduous forest & Coniferous forest
C	Coniferous forest
D	temperte deciduous forest

Question 65

Temperate deciduous forests are found in world:

A	China
B	All
C	Japan
D	Australia

Question 66

The insect found in tundra are:

A	Mosquito
B	Grasshopper
C	Wasp
D	ants

Question 67

Man uses grassland ecosystem for:

A	lumber
B	Agriculture
C	fruits
D	all of the above

Question 68

The color of the soil of the temperate deciduous forest

A	Black
B	greenish black
C	grayish brown
D	grayish black

Question 69

Grass land found in world are in:

A	Japan
B	Pakistan
C	China
D	Australia

Question 70

The average rainfall in temperate deciduous forest is between:

A	750 - 1500 mm
B	700 - 1500 mm
C	650 - 1500 mm
D	600 - 1500 mm

Question 71

Scum in eutrophicationtion is formed by :

A	fungi
B	Bacteria
C	algae
D	cyanobacteria

Question 72

'Which of the following biomes is increased by human activities:

A	Desert
B	Grassland
C	Coniferous forest
D	savana

Question 73

The concentration of reduced in eutrophication lake is :

A	Oxygen
B	Water
C	all
D	CO2

Question 74

Ecosystem present on Land or Soil is called

A	Lithosphere
B	Atmosphere
C	Terrestrial
D	Terrestrial & Atmosphere

Question 75

the consumer in the limnetic zone are:

A	fungi
B	snail
C	fishes
D	zooplanktons

Question 76

Which one is not desert:

A	Sahara
B	Thar
C	Thal
D	taiga

Question 77

The annual rainfall is desert is less than:

A	25 cm
B	30 cm
C	40 cm
D	10 cm

Question 78

The animal found in coniferous and boreal forest is:

A	Tiger
B	Macro polo sheep
C	Elephant
D	Cow

Question 79

The animal found in temperate deciduous forest Is:

A	Elephant
B	Black bear
C	All
D	Tiger

Question 80

Layering is the characteristic of

A	Taiga
B	Grassland
C	desert
D	Tundra

Question 81

Short term fluctuations in temp, humidity etc. are called.

A	none
B	Weather
C	Climate & Weather
D	Climate

Question 82

A little light is left to power phtotosynthesis at the depth of:

A	1200 feet
B	600 feet
C	1000 feet
D	500 feet

Question 83

The plant found is littoral zone is :

A	Lilies
B	hydrilla
C	bryophytes
D	Mosses

Question 84

The desert ecosystem found in Western Punjab is:

A	Cholistan
B	Thar
C	None
D	Thal

Question 85

The Macaca mulatto is biological name for:

A	Deer
B	Cat
C	Black bear
D	Rhesus monkey

Question 86

The grass land without trees is called:

A	prairies
B	Pampes
C	None
D	Savanna

Question 87

Which of the followings is tall grass:

A	andropogon
B	stipa
C	poa
D	oryzopsis

Question 88

The open water where light can penetrate in a lake is:

A	littoral zone
B	profundal zone
C	none of these
D	limnetic zone

Question 89

Grassland ecosystem is found in:

A	Gilgit
B	swat
C	fort abbas
D	Hindokush

Question 90

Coniferous forest located at high altitude are called:

A	Alpine
B	Taiga
C	prairies
D	Boreal

Question 91

Phytoplanktons are drifting:

A	Protozoa
B	Plants
C	crustaceans
D	Animals

Question 92

In which type of ecosystem is the smallest fraction of nutrients present in soil

A	Savanna
B	Forest
C	desert
D	Grass land

Question 93

Tundra ecosystem is found in:

A	kara - koram
B	mainwalli
C	swat
D	neelam valley

Question 94

Boreal forests are found in:

A	kara - koram
B	mainwalli
C	swat
D	neelam valley

Question 95

Overall patterns of weather that prevails a long time are called.

A	Temperature
B	Climate
C	Nutrients
D	Weather

Question 96

Which of the following is the most fragile ecosystem?

A	woodland
B	Grassland
C	Savanna
D	Tundra

Question 97

Man uses temprate deciduous forest as:

A	all of these
B	Agriculture
C	lumber
D	fruits

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Biology Chapter No.12 Some Major Ecosystem 2nd Year Online MCQs FOR MDCAT & ECAT PREPARATION

Biology
Chapter Name : Some Major Ecosystem
Chapter No. 12
Second Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

Class / Grade : 12th ( F.Sc. Intermediate)
Total Marks : 97
Total Time : 97 minutes

GRADE 12 - BIOLOGY CHAPTER NO.12 SOME MAJOR ECOSYSTEM

Explanation and Solution of all past papers in this online Practice Test with Examples leads the Candidates towards Success in Interviews.

Features:

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Biology Chapter Name : Some Major EcosystemChapter No. 12Second Year Multiple Choice QuestionsNote : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

Class / Grade : 12th ( F.Sc. Intermediate)Total Marks : 97 Total Time : 97 minutes

GRADE 12 - BIOLOGY CHAPTER NO.12 SOME MAJOR ECOSYSTEM

Explanation and Solution of all past papers in this online Practice Test with Examples leads the Candidates towards Success in Interviews.

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Biology
Chapter Name : Some Major Ecosystem
Chapter No. 12
Second Year
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.

Class / Grade : 12th ( F.Sc. Intermediate)
Total Marks : 97
Total Time : 97 minutes