MCQ Questions for Class 6 Science Chapter 9 The Living Organisms and Their Surroundings
Solving the The Living Organisms and Their Surroundings Multiple Choice Questions of Class 6 Science Chapter 9 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on The Living Organisms and Their Surroundings Class 6 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 9 Science Class 6 and cross-check your answers during preparation.
Question 1.
An irreversible change in the size, weight and volume of living organisms accompanied by increase in number of cells are known as:
(a) Cells
(b) Movement
(c) Growth
(d) Life span
Answer
(c) Growth
An irreversible change in size, weight and volume of living organisms accompanied by increase in number of cells.
Question 2.
Living things have specific:
(a) Cells
(b) Movement
(c) Growth
(d) Life span
Answer
(d) Life span
Living things have specific life span.
Question 3.
The body structure of a camel which helps it to survive in:
(a) Desert conditions
(b) Forest conditions
(c) Sea conditions
(d) Mountain conditions
Answer
(a) Desert conditions
The body structure of a camel is help of survive in desert conditions.
Question 4.
The feature of a fish that helps it to live inside:
(a) Mountain
(b) Forest
(c) Water
(d) None of these
Answer
(c) Water
The feature of a fish that helps it to live inside the water.
Question 5.
…………….. are plants growing in hot and dry places.
(a) Heterotrophs
(b) Xerophytes
(c) Autotrophs
(d) None of these
Answer
(b) Xerophytes
Xerophytes are plants growing in hot and dry places.
Question 6.
Which animals have thick skin, which prevent evaporation. They do not sweat and hence can survive without water for longer period ?
(a) Desert animals
(b) Sea animals
(c) Forest animals
(d) None of these
Answer
(a) Desert animals
Desert animals have thick skin, prevent evaporation, don’t sweat and can survive without water for longer period.
Question 7.
The slippery scales help the fish in:
(a) Breathing
(b) Swimming
(c) Eating
(d) None of these
Answer
(b) Swimming
The slippery scales help the fish in swimming.
Question 8.
What is name given to the plants growing in water ?
(a) Hydrilla
(b) Lotus
(c) Hydrophytes
(d) None of these
Answer
(c) Hydrophytes
Hydrophytes guous in water.
Question 9.
What happens if we don’t take food for a longer period ?
(a) We feel tired
(b) We feel strong
(c) We feel creative
(d) Both (a) and (c)
Answer
(a) We feel tired
If we don’t take food for a longer period we feel tired.
Question 10.
The leaves of cactus plants are in the shape of spines which helps in reducing loss of water from leaves through:
(a) Respiration
(b) Reproduction
(c) Transpiration
(d) None of these
Answer
(c) Transpiration
The leaves of cactus plants are in the shape of spines which helps in reducing loss of water from leaves through transpiration.
Question 11.
The bodily movement involving change of place in animals is called:
(a) Respiration
(b) Transpiration
(c) Reproduction
(d) Locomotion
Answer
(d) Locomotion
The bodily movement involving change of place in animals is locomotion.
Question 12.
Name the method of reproduction in higher plants.
(a) Vegetative propagation
(b) None vegetative propagation
(c) Both (a) and (b)
(d) None of these
Answer
(a) Vegetative propagation
Vegetative propagation is the method of reproduction in higher plants.
Question 13.
Which substance is removed from Acacia as waste product ?
(a) Fruits
(b) Leaves
(c) Flowers
(d) Gum
Answer
(d) Gum
Gum is removed from Acacia as waste product.
Question 14.
Name the organ of respiration for fishes.
(a) Fins
(b) Gills
(c) Head
(d) None of these
Answer
(b) Gills
Pishes respiration through gills.
Question 15.
Plants which move towards the light are called:
(a) Forest plant
(b) Sea plant
(c) Phototrophic plants
(d) None of these
Answer
(c) Phototrophic plants
Phototrophic plants move towards the light.
Question 16.
How do earthworm breathe ?
(a) Gills
(b) Lungs
(c) Nose
(d) Skin
Answer
(d) Skin
Earth warm breathe through skin.
Question 17.
From where does the fishes get oxygen ?
(a) Which is dissolved in water
(b) Which is dissolved in air
(c) Both (a) and (b)
(d) None of these
Answer
(a) Which is dissolved in water
Fishes get oxygen which is dissolved in water.
Question 18.
The fishes come to the surface to take:
(a) Air
(b) Water
(c) Food
(d) All of these
Answer
(a) Air
The fishes come to the surface to take air.
Question 19.
The place where living organisms live is called:
(a) Aquatic habitat
(b) Terrestrial habitat
(c) Biotic component
(d) Habitat
Answer
(d) Habitat
Habitat is the place where living organism live.
Question 20.
Every thing around an organism which affects it is known as its:
(a) Environment
(b) Natural environment
(c) Man-made environment
(d) None of these
Answer
(a) Environment
Every thing around on organism which effects it is known as its environment.
Question 21.
Biotic and abiotic components together form the:
(a) Environment
(b) Natural environment
(c) Man-made environment
(d) None of these
Answer
(b) Natural environment
Biotic and abiotic components together form the natural environment.
Question 22.
Modified natural environment according to our requirements is known as:
(a) Environment
(b) Natural environment
(c) Man-made environment
(d) None of these
Answer
(c) Man-made environment
Modified natural environment according to our requirement is known as man-made environment.
Question 23.
When organisms live on land it is known as:
(a) Habitat
(b) Biotic components
(c) Terrestrial habitat
(d) Aquatic habitat
Answer
(c) Terrestrial habitat
When organism five on land it is known as terrestrial habitat.
Question 24.
When organisms live in water then it is known as:
(a) Habitat
(b) Biotic components
(c) Terrestrial habitat
(d) Aquatic habitat
Answer
(d) Aquatic habitat
When organism five on water known as aquatic habitat.
Question 25.
The sequential process in which one organism consumes the other in the form of food forms a:
(a) Respiration
(b) Food chain
(c) Excretion
(d) None of these
Answer
(b) Food chain
The sequential process in which one organisms consumes the other in the form of food forms a food chain.
Question 26.
The presence of specific features or certain habits which enable a plant or an animal to live in its surrounding is called:
(a) Adaptation
(b) Nutrition
(c) Respiration
(d) None of these
Answer
(a) Adaptation
Special features of organism which enable them to survive in a particular habitat.
Question 27.
……………. is the process of taking food by organisms.
(a) Adaptation
(b) Nutrition
(c) Respiration
(d) None of these
Answer
(b) Nutrition
Nutrition is the process of taking food by organisms.
Question 28.
Living things which can prepare their own food are called:
(a) Autotrophs
(b) Adaptation
(c) Heterotrophs
(d) None of these
Answer
(a) Autotrophs
Living things which can prepare their own food are called autotrophs e.g., green plants.
Question 29.
The living things that are not capable of preparing their own food and depend on others are:
(a) Autotrophs
(b) Heterotrophs
(c) Adaptation
(d) None of these
Answer
(b) Heterotrophs
The living thiags which can not prepare their own food and depend on others are heterotrophs e.g., animals.
Question 30.
The process of exchange of carbon dioxide and oxygen is called:
(a) Excretion
(b) Reproduction
(c) Secretion
(d) Respiration
Answer
(d) Respiration
The process of exchange of carbon dioxide and oxygen is called respiration.
Question 31.
The process of getting rid of waste is called:
(a) Excretion
(b) Reproduction
(c) Secretion
(d) Respiration
Answer
(a) Excretion
The process of getting rid of waste is excretion.
Question 32.
The process of removal of wastes in plants is called:
(a) Excretion
(b) Reproduction
(c) Secretion
(d) Respiration
Answer
(c) Secretion
The process of removal of wastes in plants as reproduction.
Question 33.
The production of off-spring and seeds is termed as:
(a) Respiration
(b) Secretion
(c) Excretion
(d) Reproduction
Answer
(d) Reproduction
The production of offspring and seeds is termed as rescretion.
Question 34.
All living things are made up of basic functional units called:
(a) Cells
(b) Movement
(c) Growth
(d) Life span
Answer
(a) Cells
All living things are made up of basic functional units called cells.
Match the Column-A with Column-B:
Question 1.
| Column-A | Column-B |
| 1. Plough | (a) Living thing |
| 2. Gum | (b) Earthworm |
| 3. Gills | (c) Acacia tree |
| 4. Skin | (d) Fishes |
| 5. Frogs | (e) Non-living things |
Answer
| Column-A | Column-B |
| 1. Plough | (e) Non-living things |
| 2. Gum | (c) Acacia tree |
| 3. Gills | (d) Fishes |
| 4. Skin | (b) Earthworm |
| 5. Frogs | (a) Living thing |
Question 2.
| Column-A | Column-B |
| 1. Yak | (a) Grass land |
| 2. Lizard | (b) Mountain region |
| 3. Deer | (c) Deserst |
| 4. Octopus | (d) Seaweed |
| 5. Phytoplanktons | (e) Ocean |
Answer
| Column-A | Column-B |
| 1. Yak | (b) Mountain region |
| 2. Lizard | (c) Deserst |
| 3. Deer | (a) Grass land |
| 4. Octopus | (e) Ocean |
| 5. Phytoplanktons | (d) Seaweed |
State whether the statements are True or False:
Question 1.
Soil, water and air are the biotic factors of a habitat.
Answer
False
Question 2.
Speed of animals in the grasslands lands helps them to run away from the predators.
Answer
True
Question 3.
Non-living things are made up of cells.
Answer
False
Question 4.
All living things have a life cycle.
Answer
True
Question 5.
Horse, cows and buffaloes use their limbs for locomotion.
Answer
True
Question 6.
Plant show movement in its various parts.
Answer
True
Question 7.
When leaf of rubber plant is broken t hen a sticky black coloured fluid comes out.
Answer
False
Question 8.
Living things grow in size by division of cells in them.
Answer
True
Question 9.
Autographs organisms prepare their own food.
Answer
True
Question 0.
Animals take food in the form of oxygen.
Answer
False
Fill in the blanks:
Question 1.
……………….. lose very little water from their bodies, they can live for many days without water.
Answer
Camel
Question 2.
The ……………….. shape of fishes helps them to move inside the water.
Answer
streamline
Question 3.
The leaves are modified into ……………….. e.g., cactus.
Answer
spines
Question 4.
The leaves of some of trees are ……………….. like.
Answer
needle
Question 5.
The ……………….. has strong hooves for running up the rocky slopes of mountain.
Answer
mountain goat
Question 6.
The speed of the deer helps them to run away from the …………………
Answer
predators
Question 7.
Skin of fishes arc covered with ……………….. scales.
Answer
slippery
Question 8.
Some rooted ……………….. plants have the roots fixed in muddy water.
Answer
aquatic
Question 9.
Carbon dioxide is absorbed by the ……………….. through the pores on their surface.
Answer
leaves
Question 10.
Growth of plants and animals is ……………….. change.
Answer
irreversible
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