Life on The Earth MCQ Questions Class 11 Geography Chapter 15
NCERT MCQ Questions for Class 11 Geography Chapter 15 Life on The Earth. Life on The Earth MCQ Questions with Answers from Class 11 Geography.
Life on The Earth Multiple Choice Questions with Answers Class 11 Geography Chapter 15 PDF is available.
Multiple Choice Questions:
1.) Which of the following do all living things on earth combine to form?
A.) Biosphere
B.) The earth
C.) The forest
D.) Environment
Answer: biosphere
2.) Which of the following consist living things on earth?
A.) Biosphere
B.) The earth
C.) Air
D.) Environment
Answer: biosphere
3.) Which of the following is the biosphere made up of?
A.) Germs, plants, animals, environment
B.) Seabed, plants
C.) Planets, animals
D.) All of the above
Answer: all of the above
4.) Where is the life found on the earth?
A.) In the ocean
B.) In the air
C.) In dry valley
D.) All of the above
Answer: all of the above
5.) Biosphere is mutually related to ________?
A.) Plants
B.) Environment
C.) Gases
D.) Oxygen
Answer: environment
6.) What affect biosphere?
A.) Elements of atmosphere
B.) Element of gases
C.) Elements of forest
D.) None of the above
Answer: elements of atmosphere
7.) What is called to the environment which is made up of a combination of biotic and abiotic elements.
A.) Biology
B.) Ecology
C.) Life
D.) None of the above
Answer: ecology
8.) From which of the following two greek words is the word ecology formed?
A.) Oikos – logy
B.) Oak – lowes
C.) Oic – logics
D.) None of the above
Answer: oikos – logy
9.) What is the literal meaning of ‘oikos’?
A.) Plants
B.) Environment
C.) Home
D.) None of the above
Answer: home
10.) Who coined the term ‘oekologie’ first time?
A.) Ernst haeckel
B.) Galileo galilei
C.) Khalil
D.) Fredrick turner
Answer: ernsthaeckel
11.) When among the following german zoologist ernsthaeckel coined the term ‘oekologie’ first time?
A.) 1869
B.) 1850
C.) 1840
D.) 1851
Answer: 1869
12.) What is called to a scientific study of interrelationship of living things (biotic) and non-living things (abiotic) and non-living things (physical environment)?
A.) Ecology
B.) Economy
C.) Environmentology
D.) None of the above
Answer: ecology
13.) Which of the following are types of ecosystems?
A.) Terrestrial and aquatic ecosystem
B.) Biome
C.) Animals
D.) The earth
Answer: terrestrial and aquatic ecosystem
14.) Into which of the following can the terrestrial ecosystem be divided?
A.) Biome
B.) Solar
C.) Energy
D.) Product
Answer: biome
15.) What is called to a group of plants and animals found over a large geographical area?
A.) Home science
B.) Aquatic ecosystem
C.) Biome
D.) None of the above
Answer: biome
16.) In which area is a biome found?
A.) In a large geographical area
B.) In history
C.) In the soil
D.) In the water
Answer: in a large geographical area
17.) Who among the following determines the boundary of biome?
A.) Climate and weathering
B.) Ecosystem
C.) Soil
D.) Germs
Answer: climate and weathering
18.) What is called to the interrelationships of plants and animals under special conditions?
A.) Coral reef
B.) Terrestrial
C.) Biome
D.) Aquatic
Answer: biome
19.) Which of the following does a biome include?
A.) Rain, temperature
B.) Germs
C.) Water
D.) Grass
Answer: rain, temperature
20.) Forests, grasslands, deserts and tundra are type of ________?
A.) Forest
B.) Ecosystem
C.) Soil
D.) None of the above
Answer: ecosystem
21.) Ocean, estuary, coral reef are part of which ecosystem?
A.) Marine ecosystem
B.) Forest ecosystem
C.) Natural ecosystem
D.) Waterfall ecosystem
Answer: marine ecosystem
22.) Marine ecosystem and fresh water ecosystem are types of which ecosystem?
A.) Aquatic ecosystem
B.) Coral reef
C.) Tundra
D.) None of the above
Answer: aquatic ecosystem
23.) Lake, stream, pond are the part of which type of ecosystem?
A.) River ecosystem
B.) Fresh water ecosystem
C.) Coral reef
D.) None of the above
Answer: fresh water ecosystem
24.) Which of the following factors include temperature rain sunlight humidity soil condition?
A.) Abiotic physical factors
B.) Disintegrator
C.) The light
D.) The year
Answer: abiotic physical factors
25.) Which of the following are first category of consumers?
A.) Deer, goats
B.) Hawk weasel
C.) The snake
D.) The eagle
Answer: deer, goats
26.) What are the second category consumers?
A.) All carnivores
B.) Vegetarian
C.) In water
D.) Underground
Answer: all carnivores
27.) Which of the following depends on another carnivorous organism?
A.) Extreme level carnivore
B.) The eagle
C.) The snake
D.) Mongoose
Answer: extreme level carnivore
28.) What is a dependent of a dead organism called?
A.) Herbivores
B.) Carnivores
C.) Extreme level carnivore
D.) Decomposers
Answer: decomposers
29.) Which of the following is the energy change flow at a grade level of a food series?
A.) Flow of energy
B.) Isolated
C.) Deceased
D.) Energy
Answer: flow of energy
30.) What is called to food chains interconnected in the surrounding in such a way when there are alternatives to the food chains of organisms.
A.) Energy flow web
B.) Carnivore
C.) Food web
D.) All of the above
Answer: food web
31.) How many of the following types of food chains are common?
A.) Two types
B.) Three types
C.) Six types
D.) Eight types
Answer: two types
32.) Which of the following are types of grazing food chain and detritus food chain?
A.) Of the food chain
B.) Of the non-vegetarian food chain
C.) Of the vegetarian food chain
D.) None of the above
Answer: of the food chain
33.) Which of the following chain starts from producer to carnivore?
A.) Food chain
B.) Detritus food chain
C.) Grazing food chain
D.) Decomposers
Answer: food chain
34.) How many of the following levels are there in a food chain?
A.) Three to five levels
B.) Two to three levels
C.) One to two levels
D.) Five to one level
Answer: three to five levels
35.) Which of the following chains depends on dead matter obtained from the grazing food chain?
A.) Detritus food chain
B.) Grazing food chain
C.) Food chain
D.) All of the above
Answer: detritus food chain
36.) How many types of biomes in the world?
A.) One
B.) Three
C.) Two
D.) Five
Answer: five
37.) Which of the following is food for green plants?
A.) Sun light
B.) Moon light
C.) Insect
D.) Soil
Answer: sun light
38.) What is called to a process in which green plants turn carbon dioxide and water into food using energy from sunlight.
A.) Flow of energy
B.) Photosynthesis
C.) Beetle
D.) Biome
Answer: photosynthesis
39.) Which of the following means ‘bio’?
A.) Life
B.) The earth
C.) Cycle
D.) Gas
Answer: life
40.) What is the meaning of ‘geo’?
A.) Stone, soil, air and water
B.) Sky, soil, air and water
C.) Fire, air, sky, chakra
D.) Life cycle, sky, soil, air
Answer: stone, soil, air and water
41.) How many types of biogeochemical cycles are there?
A.) Two types
B.) Three types
C.) Four types
D.) Six types
Answer: two types
42.) Gaseous cycle and sedimentary cycle are types of what?
A.) Biological cycle
B.) Biochemical cycle
C.) Chemical cycle
D.) None of the above
Answer: biochemical cycle
43.) What is the source of gaseous cycle?
A.) Ocean
B.) Earth
C.) Environment
D.) Ecology
Answer: ocean
44.) What is the source of sedimentary cycle?
A.) Soil, sediments, rocks
B.) Gases, soil
C.) Soil, water
D.) None of the above
Answer: soil, sediments, rocks
45.) What is it called to a cycle of water maintained by all living being in the atmosphere and lithosphere?
A.) Atmospheric cycle
B.) Lithospheric cycle
C.) The water cycle
D.) The hydrological cycle
Answer: the water cycle
46.) In which of the following are the organic compounds starch cellulose and sucrose accumulated?
A.) In plants
B.) Carbon
C.) Starch
D.) Aquatic
Answer: in plants
47.) What is the byproduct of photosynthesis?
A.) Hydrogen monoxide
B.) Carbon dioxide
C.) Oxygen
D.) Hydrogen
Answer: oxygen
48.) What percentage of nitrogen gas is in the atmosphere?
A.) 78 percent
B.) 70 percent
C.) 60 percent
D.) 45 percent
Answer: 78 percent
49.) Which of the following organisms can absorb nitrogen directly?
A.) Soil bacteria – blue-green algae
B.) Germs
C.) Microorganisms
D.) Animals
Answer: soil bacteria – blue-green algae
50.) What percentage of nitrogen is biological?
A.) 90 percent
B.) 80 percent
C.) 40 percent
D.) 20 percent
Answer: 90 percent
51.) Which of the following is compounded by lightning or cosmic radiation in the atmosphere?
A.) Nitrogen
B.) Carbon
C.) Oxygen
D.) Steam
Answer: nitrogen
52.) Which of the following is the process of converting nitrate back into free nitrogen?
A.) D nitrification
B.) Nitrate
C.) Oxidation
D.) Carbon
Answer: de nitrification
53.) Which of the following minerals is mainly obtained in primary form?
A.) In inorganic form
B.) In organic
C.) Nitrite
D.) Phosphorus
Answer: in inorganic form
54.) Imbalances in which of the following cause natural calamities floods earthquakes disease climate change?
A.) Environmental imbalance
B.) The rain
C.) The heat
D.) Steam
Answer: environmental imbalance
55.) Who among the following is included in biosphere?
A.) All living things
B.) Only plants
C.) Only animals
D.) All living and non-living things
Answer: all living beings
Life on The Earth MCQ
56.) Tropical grasslands are known by which of the following names?
A.) Stappy
B.) Prairie
C.) Savannah
D.) No one
Answer: stappy
Life on The Earth MCQ
57.) Which of the following forms when iron and oxygen combine with iron found in rocks?
A.) Iron oxide
B.) Iron carbonate
C.) Iron nitrate
D.) Iron sulfate
Answer: Iron oxide
58.) Carbon dioxide in the presence of light combines with water to form which of the following during the synthesis process?
A.) Protein
B.) Amino acid
C.) Carbohydrates
D.) Vitamins
Answer: Protein
59.) Sun is the primary source of one of the following?
A.) Energy
B.) Helium
C.) Cold
D.) Heat
Answer: Energy
60.) Which of the following decompositions depend on each level?
A.) On the deceased
B.) On the water
C.) On plants
D.) On germs
Answer: On the deceased
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