The document is a sample science paper for class VI with a total of 90 marks, covering various topics through multiple-choice questions, one-word answers, and descriptive questions. It addresses subjects such as the importance of gases, basic biology, physics concepts like light and shadow, and methods of separation in science. The paper assesses knowledge on plants, animals, and physical changes, emphasizing understanding of definitions and characteristics in science.

1. Class: VI,
Subject: Science (Sample Paper)
Maximum marks: 90
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I. Choose the correct option. (1x12=12)
1. Which gas essential for combustion and respiration?
a) Nitrogen.
b) Carbon dioxide.
c) Argon.
d) Oxygen.
2. Objects that allow light to pass partially are called as
a) Translucent.
b) Opaque.
c) Transparent.
d) All of these.
3. Which of these is not a plant product?
a) Meat.
b) Tea.
c) Rubber.
d) Gum.
4. Which of the following group of animals contains only herbivores?
a) Leopard, cheetah, lion, tiger.
b) Hyena, wolf, fox, panthers.
c) Deer, giraffe, elephant, zebras.
d) Rhinoceroses, ostriches, eagle, vulture.
5. Which disease is caused by the deficiency of iron in blood?
a) Malaria.
b) Anemia.
c) Blood cancer.
d) Night blindness.
6. Which of the following is not found in the atmosphere?
a) Oxygen.
b) Nitrogen.
c) Carbon dioxide.
d) Hydrogen.

2. 7. Why should we include fruits and vegetables in our diet?
a) They are best source of proteins.
b) They are rich in minerals and vitamins.
c) They have high water content.
d) Because they are easily available.
8. An alloy which is used for making utensils.
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a) Steel.
b) Silver.
c) Copper.
d) Brass.
9. Which of the following is not a periodic change?
a) Changing of seasons.
b) Rising and setting of the sun.
c) Occurrence of full moon and new moon.
d) Water freezing to ice.
10. Which is the correct order of units from largest to smallest?
a) Milligrams, grams, kilograms.
b) Kilogram, grams, milligrams.
c) Grams, milligrams, kilograms.
d) Milligrams, grams, kilograms.
11. One litre is equal to ----------------
a) Thousand milliliters.
b) Hundred milliliters.
c) Ten thousand milliliters.
d) Ten milliliters.
12. What does the following figure represent?
a) Measuring the thickness of a coin.

3. b) Measuring the length of a coin.
c) Measuring the diameter of a coin.
d) All of these.
II. Give one word answers for the following. (1x12=12)
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1. What is the lighter part of shadow called?
2. Name the disease caused by the deficiency of vitamin A.
3. Name the matter which has its fixed shape and size.
4. Name the process used in separating stones and pebbles form grains.
5. Which method is used for separating substances of different sizes?
6. Which method of separation is used to separate mud from muddy water?
7. What is the male reproductive part of the flower called?
8. Name the flower that are eaten.
9. What is the composition of water in the human body?
10. Name the process of circulating water from the earth’s water bodies into the atmosphere.
11. What is polluting the air called as?
12. What are the plastic bags, bottles, tins and cans are called as?
III. Give reason for the following. (2x6=12)
1. Why do fish die when it is taken out of the water?
2. Why is the image formed by a pinhole camera is inverted?
3. Why do doctors advice to drink two litres of water daily?
4. Why earthquake and volcano are called as non periodic change?
5. Why should we not touch electrical appliances with wet hands?
6. Why is the shadows dark/black in colour?
IV. Answer the following questions. (2x6=12)
1. List five sources of vitamin c.
2. What are the constituents of air?
3. What is a mixture?
4. Define filtration?
5. Name two main systems of plants.
6. What is pollination in plants?
V. Answer the following questions. (3x9=27)
1. Define respiration.
2. Define pasteurization.
3. What are different types of changes?
4. What is a solution?
5. What are the importances of water?
6. What is classification?
7. List the difference between solids, liquids and gases.
8. List three general methods used for separating solids from solid mixtures with examples?
9. List out the general characteristics of living organisms.

4. VI. Answer the following questions. (3x5=15)
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1. Define:
i. Condensation.
ii. Sublimation.
iii. Decomposition.
iv. Filtration.
v. Distillation.
vi. Centrifugation.
2. Explain the following with at least two example of each?
i. Transparent.
ii. Translucent.
iii. Opaque.
3. List the features of carnivores, herbivores and omnivores animals with examples?
4. What are roots and mention the different types of roots with their examples?
5. Define:
i. Knitting.
ii. Fibers obtained from plants.
iii. Fibers obtained from animals.