Class 6 Science Chapter 9 MCQ Tests for 2020-2021
|Chapter: 9||The Living Organisms and their Surroundings|
|Contents:||MCQ Online Tests with Answers|
Class 6 Science Chapter 9 MCQ Online Tests with Answer
Read the following sentences carefully, and choose the correct one:
[A]. All the living (plants and animals) need food to stay alive.
[B]. The young ones of all the living things grow and become bigger in size with the passing of time.
[C]. Animals can move from one place to another or they can move their body parts.
[D]. All the above.
Priya is writing some statements, choose the incorrect statement and help him:
[A]. The plants can move only parts of their body such as leaves, flowers, shoots and roots.
[B]. In living things, movement is caused by internal factors such as muscles pulling on bones, contraction and relaxation of only muscles or by action of chemicals called hormones.
[C]. The movement in non-living things is caused by an external force such as the push of our hand, blowing air or wind, flowing water or hot and compressed gases.
[D]. None of the above.
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
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.
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
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.
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
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.
When Anushka tried to grow a new rose plant from a stem cutting, she was not successful. What could be the likely reason?
[A]. A cutting needs strong sunlight to grow.
[B]. Rose plants cannot be propagated by cuttings.
[C]. There were no buds on the cutting.
[D]. There were no leaves on the cutting
The animal having the special organ of breathing called gills is:
What do understand by photosynthesis?
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?
Plants are called autotrophs because they make their own food.
Who are heterotrophs?
Animals and human beings who depend on plants and other animals for food are called heterotrophs.
Why do we need food?
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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