TERM - I
6th SCIENCE - Book Back Questions
UNIT - 1
Choose the correct answer
1. The height of a tree can be measured by
a) metre scale
b) metre rod
c) plastic ruler
d) measuring tape.
Ans: d) measuring tape.
2. Conversion of 7 m into cm gives _______
a) 70 cm
b) 7 cm
c) 700 cm
d) 7000 cm
Ans: c) 700 cm
3. Quantity that can be measured is called ____
a) physical quantity
b) measurement
c) unit
d) motion.
Ans: b) measurement
4. Choose the correct one
a) km > mm > cm > m
b) km > mm > m > cm
c) km > m > cm > mm
d) km > cm > m > mm
Ans: c) km > m > cm > mm
5. While measuring the length of an object using a ruler, the position of your eye should be
a) Left side of the point.
b) Vertically above the point where the measurement is to be taken.
c) Right side of the point.
d) any where according to one’s convenience.
Ans. b) Vertically above the point where the measurement is to be taken.
UNIT - 2
1. Unit of speed is
a) m
b) s
c)kg
d) m/s
Ans: d) m/s
2. Which among the following is an Oscillatory motion?
a) Rotation of the earth about its axis
b) Revolution of the moon about the earth
c) To and fro movement of a vibrating string
d) All of these.
Ans: c) To and fro movement of a vibrating string
3. The correct relation among the following is
a) Speed = Distance x Time
b) Speed = Distance / Time.
c) Speed = Time / Distance
d) Speed = 1 /(Distance x Time)
Ans: b) Speed = Distance / Time
4. Gita travels with her father in a bike to her uncle’s house which is 40 km away from her home. She takes 40 minutes to reach there.
Statement 1: She travels at a speed of 1km / minute
Statement 2: She travels at a speed of 1km / hour
a) Statement 1 alone is correct.
b) Statement 2 alone is correct
c) Both statements are correct.
d) Neither statement 1 nor statement 2 is correct.
Ans: a) Statement 1 alone is correct.
UNIT - 3
1. ___________ is not made of matter
a) Gold ring
b) Iron nail
c) Light ray
d) Oil drop
Ans: a) Light ray
2. 200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be _______
a) 400 ml
b) 600 ml
c) 200 ml
d) 800 ml
Ans: c) 200 ml
3. Seeds from water-melon can be removed by __________.
a) hand-picking
b) filtration
c) magnetic separation
d) decantation
Ans: a) hand-picking
4. Lighter impurities like dust when mixed with rice or pulses can be removed by ______.
a) filtration
b) sedimentation
c) decantation
d) winnowing
Ans: d) winnowing
5. __________ is essential to perform winnowing activity
a) Rain
b) Soil
c) Water
d) Air
Ans: d) Air
6. Filtration method is effective in separating __________ mixture
a) Solid-solid
b) Solid-liquid
c) liquid-liquid
d) liquid-gas
Ans: b) Solid-Liquid
7. Among the following __________ is not a mixture
a) Coffee with milk
b) lemon juice
c) Water
d) ice cream embedded with nuts.
Ans: c) Water
UNIT - 4
1. Pond is an example of ______ eco system.
a) marine
b) fresh water
c) deserts
d) mountain
Ans: b) fresh water
2. The important function of stomata is _______ .
a) conduction
b) transpiration
c) photosynthesis
d) absorption
Ans: b) transpiration
3. Organ of absorption is _______.
a) root
b) stem
c) leaf
d) flower
Ans: a) root
4. The habitat of water hyacinth is ________.
a) aquatic
b) terrestrial
c) desert
d) mountain
Ans: a) aquatic
UNIT - 5
1. The study of living beings or organisms is called
a) Psychology
b) Biology
c) Zoology
d) Botany
Ans: b) Biology
2. Which of the following are the characteristics of living beings?
i. Respiration
ii. Reproduction
iii. Adaptation
iv. Excretion
Choose the correct one
a) (i),(ii) and (iv) only
b) (i),(ii) only
c) (ii) and (iv) only
d) (i),(iv),(ii) and (iii)
Ans: d) (i), (iv), (ii) and (iii)
3 Lizards breathe through their
a) skin
b) gills
c) lungs
d) trachea
Ans: c) lungs
4. All animals need
a) food and water only
b) Water only
c) Air, food and water
d) food only
Ans: c)Air, food and water
5. Which animal has the special organs of breathing called gills?
a) Earthworm
b) Fox
c) Fish
d) Frog
Ans: c) Fish
6. Choose the set that represents only 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, Insects
Ans: d) Aquatic plant, Fish, Frog, Insects
7. Which of the following cannot be called as a habitat?
a) A desert with camels
b) A pond with fish and snails
c) Cultivated land with grazing cattle
d) A jungle with wild animals
Ans: c) Cultivated land with grazing cattle
8. Birds fly in the air with the help of
a) heavy and strong bones
b) soft and thick bones
c) hollow and light bones
d) flat and thick bones
Ans: c) hollow and light bones
9. Paramecium moves from one place to other with the help of _______
a) pseudopodia
b) flagella
c) foot
d) cilia
Ans: d) cilia
10. Kangaroo rat lives in
a) aquatic habitat
b) desert habitat
c) grass land habitat
d) mountain habitat
Ans: b) desert habitat
UNIT - 6
1. Our body needs _____ for muscle building
a) carbohydrate
b) fat
c) protein
d) water
Ans: c) protein
2. Scurvy is caused due to the deficiency of _____.
a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D
Ans: c) Vitamin C
3. Calcium is an example for
a) carbohydrate
b) fat
c) protein
d) minerals
Ans: d) minerals
4. Bacteria are very small _______microorganism.
a) prokaryotic
b) eukaryotic
c) protozoa
d) acellular
Ans: a) prokaryotic
5. We should include fruits and vegetables in our diet, because _____.
a) they are the best source of carbohydrates.
b) they are the best source of proteins.
c) they are rich in minerals and vitamins.
d) they have high water content.
Ans: c) they are rich in minerals and vitamins.
UNIT - 7
1. Who is the father of computer?
a) Martin Luther King
b) Graham Bell
c) Charlie Chaplin
d) Charles Babbage
Ans: d) Charles Babbage
2. Which of the following is another form of computer?
a) Blackboard
b) Mobile
c) Radio
d) Book
Ans: b) Mobile
3. When was the first computer introduced?
a) 1980
b) 1947
c) 1946
d) 1985
Ans: c) 1946.
4. Who is the computer’s first programmer?
a) Lady Wellington
b) Augusta ado Lovelace
c) Mary Curie
d) Mary Comb
Ans: b) Augusta ado Lovelace
5. Pick out the odd one?
a) Calculator
b) Abacus
c) Flash Card
d) Laptop
Ans: c) Flash Card
கருத்துகள் இல்லை:
கருத்துரையிடுக
Thanks for Read the post