science

First Term Examination-2070

Grade: 7                                                                            F.M. : 75

Sub: Science                                                                      P.M. : 30

 

Group – A (Physics)

Examinees are required to give creative answer in their own words on the basis of given instructions.

1.    What is measurement ? Write any two importance of it. (1+1)

2.    What is standard unit? Write the SI unit of temperature and length? (1+1)          

3.    Convert 400 km in to centimeter (2)

4.    If the area of a rectangular sheet of metal is 450cm² and its length is 25cm calculate its breadth. (2)

5.    Why is it necessary to have standard unit of measurement? (2)

6.    Differentiate between scalar and vector quantity? (2)

7.    A ball kicked by a player comes to rest after some time why? (2)

8.    Define force and write its SI unit. (2)

9.    Friction is called as necessary evil. Justify the statement. (2)

10.  What is velocity ? Is it a scalar quantity, Why? (1+1)

11.  A car is moving with a velocity of 36 km/hr. on applying brakes, it comes to rest in 2 seconds. calculate the retardation. (2)

12.  State the principle of lever write its types. (1+1)

13.  What is velocity ratio of simple machine? (2)

14.  Draw a figure f wheel and axle and label it. (4)

15.Differentiate between fundamental and derived unit .(2)

                                 Group – B (Chemistry)

16.  What are metals and Nonmetals? (2)

17.  Metal is a good conductor of heat and electricity why? (2)

18.  What is ductility and malleability? (1+1)

19.  Write any two uses of sulphur. (1+1)

20.  Write four uses of metals. (4)

21.  Write six properties of alloy. (3)

Group – 'C' (Biology)

22.  Differentiate between algae and fungi. (3)

23.  Maize and wheat are the example of monocotyledonous plants, why? (2)

24.  Frogs and snakes are not seen in winter season. Why? (2)

25.  Define warm blooded and cold blooded animals with examples. (2)

26.  Draw the diagram to show fertilization in angiosperm. (4)

27.  Write any two characteristics of pisces. (2)

28.Write one characteristics of hydra.  ( 1)

Group – 'D' (Astronomy and Geology)

29.  What is a rock? (1)

30.  Differentiate between rocks and minerals. (2)

31.  Which type of rock is very rich in fossils? Why? (2)

32.  Draw a picture of conglomerate rock. (2)

Best of Luck