Class 6 Science Chapter 9 MCQ

Class 6 Science Chapter 9 MCQ (Multiple Choice Questions) of the Living Organisms and their Surroundings. All the MCQ questions are important for class unit tests as well school terminal exams.

Practice here with MCQ Online tests series free to score good marks in exams and clear your doubts in standard 6 science chapter 9. Answers and explanations of each question is given just below the question.

Class 6 Science Chapter 9 MCQ Tests for 2021-2022

Class: 6Science
Chapter: 9The Living Organisms and their Surroundings
Contents:MCQ Online Tests with Answers

Class 6 Science Chapter 9 MCQ Online Tests with Answer




Q1

Which of the following is not an example of response to stimulus?

[A]. Watering in mouth when we see delicious food items
[B]. Closing of leaves of ‘Mimosa’ plant when touched
[C]. Shutting our eyes when an object is suddenly thrown in our direction
[D]. A chick hatching out of an egg
Q2

Which of the following statement is or are correct?

[A]. Those things which need food, water and air for their survival are called living things.
[B]. Those things which do not need food, water and air for their survival are called non-living things.
[C]. The study of living things or organisms is called biology.
[D]. All the above.
Q3

Which of the following is correct for respiration in plants?

[A]. Respiration take place only during daytime
[B]. Respiration takes place only during night
[C]. Respiration take place both during day and night
[D]. Respiration take place only when plants are not making food
Q4

Which of the following is not associated with reproduction?

[A]. A New leaf coming out of a tree branch
[B]. A Dog giving birth to puppy
[C]. A seed growing into a plant
[D]. Chick hatching from an egg
Q5

Choose the set that represents only the biotic components of a habitat:

[A]. Tiger, deer, grass, soil
[B]. Rocks, soil, plants, air
[C]. Sand, turtle, crab, rocks
[D]. Aquatic plant, fish, frog, insect




Q6

Vihhu is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?

[A]. All the living things respond to changes around them.
[B]. The living things show response to external stimuli such as heat, light, touch, sound, smell, taste, water and chemicals.
[C]. If we see our favourite food, our mouth starts watering which is not associated with stimulus.
[D]. If a bare-footed man steps on a sharp object like a thorn or a nail, he quickly pulls away his foot from the sharp object.
Q7

If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? Which of the above would hold true?

[A]. Excrete small amount of urine and Excrete concentrated urine
[B]. Excrete large amount of urine and Excrete very dilute urine
[C]. Excrete small amount of urine and Excrete very dilute urine
[D]. Excrete small amount of urine and Excrete large amount of urine
Q8

Ruhi is completed her science chapter where she wrote some statements. She wants to know whether the statements are correct or not? Ruhi wants to take help from you:

[A]. Respiration is the chemical process in which food taken by an organism combines with oxygen to release energy.
[B]. All the living things (plants and animals) undergo respiration to obtain energy from food.
[C]. The purpose of breathing in air is to provide oxygen to our body, for carrying out respiration.
[D]. All the above
Q9

Badal appeared in class test but he confused to know the incorrect statement. Would you help him to know that?

[A]. Every leaf of a plant has a large number of tiny pores or holes called stomata on its surface.
[B]. The exchange of gases oxygen and carbon dioxide in plants during respiration take place through the tiny pores.
[C]. The carbon dioxide produced during respiration is also uses by the body of the earthworm.
[D]. The plants give out carbon dioxide, produced in respiration only at night time.
Q10

Which of the combination of given features are typical of desert plants?

[A]. They lose a lot of water through transpiration and their leaves are always Broad and Flat.
[B]. Their leaves are always Broad and Flat and their roots grow very deep into the soil.
[C]. Their leaves are always Broad and Flat and they lose very little water through transpiration.
[D]. They lose very little water through transpiration and their roots grow very deep into the soil.




Q11

In the last year board examination, Rahul were asked a question where he had to choose the statement which was/were incorrect? Will you be able to answer this question?

[A]. The process by which organisms produce new member of their species is called reproduction.
[B]. When the seeds are sown in the moist soil, the seeds germinate and grow into new plants.
[C]. When a potato tuber is planted in the soil, then all the buds of potato tuber start growing to produce new potato plants.
[D]. One old potato tuber can produce only one new potato plants.
Q12

Although organisms die, their kind continue to live on earth. Which characteristic of living organisms make this possible?

[A]. Respiration
[B]. Reproduction
[C]. Excretion
[D]. Movement
Q13

Boojho comes across an animal having a stream-lined and slippery body. What is the habitat of the animal?

[A]. Water
[B]. Desert
[C]. Grassland
[D]. Mountain
Q14

Which of the following are characteristics of living beings?

[A]. Respiration, reproduction and excretion
[B]. Respiration and reproduction
[C]. Reproduction and excretion
[D]. Respiration, reproduction, adaptation and excretion
Q15

In a science quiz competition, Kruti is asked a question where she had to choose the statement which was/were incorrect?

[A]. The place or surroundings where a plant or animal lives is called its habitat.
[B]. The plants and animals which live on land are said to live in a terrestrial habitat.
[C]. Respiration is a life process which take place in dry, stored seeds even when other usual life processes are not observed.
[D]. The only characteristic of living things shown by wheat seeds is reproduction.




Q16

Earthworms breathe through their:

[A]. Skin
[B]. Gills
[C]. Lungs
[D]. Stomata
Q17

Which of the following statement is or are correct?

[A]. The deer has big ears for good hearing.
[B]. The deer has eyes on the sides of its head which enables it to see in all direction at the same time.
[C]. The speed of deer helps it to run away from the predators which try to catch it.
[D]. All the above
Q18

Naman is doing his homework which is given by his teacher. Would you help him to choose the incorrect sentences?

[A]. The lion is a strong fast and agile animal which can hunt and kill its prey like deer.
[B]. The lion has eyes in the front ofThe light brown colour h its head which enable it to have a correct idea of the location of its prey.
[C]. The light brown colour helps the lion to hide in dry grassland when it hurts for prey.
[D]. None of the above.
Q19

Which one of the following aquatic plants grow completely submerged under water?

[A]. Water hyacinth
[B]. Hydrilla
[C]. Water lily
[D]. Lotus
Q20

Which of the following statement is or are incorrect?

[A]. Many sea animals have streamlined bodies to help them move in sea water easily.
[B]. Most of the sea animals have gills which enable them to use oxygen dissolved in water for breathing.
[C]. Dolphin and whales breathe in air through nostrils which are located on the upper parts of their heads.
[D]. None of the above.



Q21

The word “habitat” means:

[A]. The community to which an organism belongs.
[B]. The conditions under which an organism lives.
[C]. The food that an organism feed on
[D]. The place where an organism lives
Q22

The leaves of one of the following plants fold up on touching. This one is:

[A]. Mango plant
[B]. Mustard plant
[C]. Mimosa plant
[D]. Money plant
Q23

Which of the following statement is not correct?

[A]. Some living things die but some do not.
[B]. Living things move in different ways.
[C]. Different living things respond differently to changes.
[D]. Living things like plants need light to grow.
Q24

Which of the following cannot be reproduced through cutting?

[A]. Sugarcane plants
[B]. Wheat plants
[C]. Rose plants
[D]. Cactus plants
Q25

Which one of the following is true about both plants and animals?

[A]. They can make their own food.
[B]. They need sunlight for energy.
[C]. They can move from one place to another.
[D]. They need water to live.
What do understand by photosynthesis in 6th Science Chapter 9?

Plants prepare their food with the help of sunlight carbon dioxide, water and chlorophyll. This process of food manufacture is called photosynthesis.

Why are plants called Autotrophs in Class 6 Chapter 9?

Plants are called autotrophs because they make their own food.

Who are heterotrophs in standard 6 Science Chapter 9?

Animals and human beings who depend on plants and other animals for food are called heterotrophs.

What is the need of food according to Class 6 Science Chapter 9?

All living beings need food. Food provides us energy to perform various activities. It also helps in body growth as well as its maintenance and repair.

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