Question

Golden Jubilee School

Third Quarterly Exam Dec 2020

RJB/NK/VK/Science/Class 6th /56 /50 Marks/ 16/12/2020/9am-11am

Q no 1 Multiple Choice Questions 10 Marks

1 Which of the following is not a mixture?

a. water

b. lime solution

c. Ink

d. salt solution

2 Which of the following is a primary function of the leaves?

a. formation of branches

b. generation of flower and fruits

c. photosynthesis

d. plant protection

3 The part of the jute plant used to make cloth is ----

a. the flower

b. leaves

c. stem

d. root

4 Immovable joint present in the –

a. Elbow

b. knee

c. skull

d. lower jaw

5 An example of a fibre that he is obtained from animal is----

a. Cotton

b. jute

c. nylon

d. wool

6 Hinge joint allows movement in ----------

a. one Direction

b. all directions

c. two direction

d. none of this

7 Two solids are separated by winnowing depending on

a. the difference in their colours

b. difference in the sizes

c. different in their weight

d. ability of one of them to be attracted by magnet8 Periodic motion can be used to measure------------

a. length

b. speed

c. time

d. weight

9 Find the odd one out of the following ---------

a. sun

b. electric bulb

c. light candle

d. tree

10 The type of soil that is best for cultivation of cotton is

a. black soil

b. red soil

c. Sandy soil

d. alluvial soil

Q no 2 Give reason 10 marks

1 People are advised not to wear synthetic cloths while working in the

kitchen

2 The backbone is not made up of a single long bone.

3 A flower is considered as one of the most important part of the plant.

4 The birds and fishes have streamlined body.

5 Clothes made up from cotton are extensively used as mobs in household

jobs.

Q no 3 Answer the following in short 12 marks

1 Explain the method of decantation.

2 What is retting?

3 Enlist the functions of skeleton

4 Give one word for the following

a)The process of separating fiber from the seeds.

b)Yarn is made up of these thin strands

5 Why do earthworm find difficult to move on the glass?

6 Explain the two impacts of textile industry on environment?

Q no 4 Answer in brief 8 marks

1 Define refraction? What happens when a ray of light passes from

a)A rarer medium to a denser medium

b)Denser medium to a rarer medium

2 Draw a diagram of the taproot system.

List all functions of roots.Q no 5 Answer the following on the basis of diagrams 10 marks

1 Given below are the pictures of devices identify the device and explain

the process for which they are used,

a.

2 Given below is the picture of skeleton label the pivot joint ,vertebrae,

skull, hinge joint ,femur , humerous , pelvic griddle and rib cage

1

8

7

6

3

2

5

4​

Answer 1

Answer:

Flow s e x chart yrz-dmyw-bfu show grl nutrition in animals and labelled diagram and discuss about the function behind them.