Showing posts with label class 7. Show all posts
Showing posts with label class 7. Show all posts

Sunday, March 26, 2023

Class 7 Science ( Terminal Exam Questions )


Terminal Examination

Class : 7                                                                      F.M.: 75

Subject : Science                                                        P.M.:

Section 'A'

1.     Choose the best answer in each case. [1x8=8]

a.   Science is a subject which a base on

i. guess            ii. Tradition             iii. Religion   iv. Fact

b.   Which is the reproductive part of a plant.

i. root              ii. Stem          iii. Flower

c.   What is the  outermost covering of a plant cell?

i. cell wall                   ii. cell membrane  

iii. Nucleus                iv. Eytoplason

d.   Which one is the liquid part of blood?

i. plasma                                ii. Red blood cells

iii. White blood cells           iv. Platelets

e.   What is the SI unit of force?

i. Dyne           ii. Erg              iii. Newton   iv. Watt

f.     How can energy crisis be solved?

i. Conserving existing   ii. Controlling population growth

iii. Using alternative source     iv. All of them

g.   What is the unit of frequency?

i. meter    ii. Meter per second    iii. Hertz      iv. Watt

 

2.     Fill in the blanks with suitable works. [1x5=5]

a.      The devices which are used in information and communication technologies are called ……

b.      The activities which takes place inside body of living things and make them alive are called……

c.      ……. as an external agent which changes of tends to change state of rest or motion of an object.

d.      …… defined as the capacity of doing work.

e.      …… is the smallest particles of an element that can take part in a chemical reaction.

Section 'B'

Write the very short answer. [1x8=8]

3.      Define science.

4.      What is scanner?

5.      Define cell.

6.      What are renewable resources?

7.      What is velocity?

8.      Define power.

9.      Define electricity.

10. Define valency.

Section 'C'

Answer the following questions.

11. What is practical work? Explain the importance of practical work. [1+2=3]

12. What is internet? Explain importance of internet. [1+2=3]

13. What is complete flower? Draw a complete flower and label its important parts. [1+2=3]

14. Differentiate between Animal cell & plant cell. [2]

15. Petrol is called non-renewable natural resources, why? [2]

16. What are functions of blood?  [2]

17. What is acceleration? A bus increases it's velocity from 20m/s to 30m/s in 4 seconds. Find it's acceleration. [1+2=3]

18. Write the three differences between vector and scalar quantity. [3]

19. A man moves a load of 30kg through 9 meters. What is the work done by him?

20. Convert 420C into F.   [2]

21. Write the two differences between heat and temperature. [2]

22. What are laws of reflection of light. Explain with a diagram. [1+2=3]

23. Draw symbol. [4]

a.      Two cells                   c. Switch

b.      Bulb                            d. Voltmeter

24. Write the two differences between longitudinal wave and transverse wave. [2]

25. Draw an electric circuit which contains a bulb, a switch and two cell combined in parallel combination. [3]

26. Write molecular formula of following compound. [1x5=5]

a.      Water                         d. Calcium Chloride

b.      Carbon dioxide         e. Argon

c.      Sodium choloride

27. Study the given diagram and answer the following questions.

 

 

 

 

 

 

 

 


a.      What is it?   [1]

b.      Mention number of protons, neutrons & eletrons present in it.   [1]

c.      Mention atomic number and atomic weight of this atom.  [2]

d.      Does it take part in chemical reaction? [1]

28. Draw electronic configuration of given elements. [2.5x2=5]

a.      Sodium           b. chlorine

 

The end