Question

Q7.Which of the following is a forest product?

i)gum ii)plywood iii)sealing wax iv)all of these

Q8.People can save water through

i)rivers ii)oceans iii)handpumps iv)rainwater harvesting

Q9.Which of these does not contribute to depletion of water table?

i)industries ii)forests iii)factories iv)population

Q10.A real image can be obtained on a screen

i)True ii)False

Q11.What is the motion of a child on a giant wheel ?

i)straightline ii)periodic iii)rectilinear iv)circular

Q12.Mature ovary is called

i)seed ii)fruit iii)stamen iv)pistil

Q13.Sexual reproduction in plants is done through

i)stem ii)root iii)leaf iv)flower

Q14. A convex lens forms enlarged image.

i)True ii)False

Q15.The safety device based on the heating effect of electric current is called

i)fuse ii)switch iii)circuit iv)cell

Q16.Which electrical component is represented by this symbol?

i)cell ii)wire iii)battery iv)bulb

Q17.The irrigation shown in this picture is

i)sprinkler ii)artificial rain iii)wells iv)drip

Q18.An electromagnet can attract a piece of iron.

i)True ii)False

Q19.Electricians should not wear rubber gloves while repairing electric appliances.

i)True ii)False

Q20.White light is composed of many colours?Which one of these is not there

i)violet ii)blue iii)pink iv)red

Q21.Find the odd one out

i)infiltration ii)recharge iii)groundwater iv)pollution

Q22.Find the odd one out

i)humus ii)canopy iii)decomposers iv)microorganisms

Q23.Which of the following words correctly describes Forest?

i)scary ii)dense iii)full of life iv)dead



Q24.Untreated human excreta is a health hazard.

i)True ii)False

Q25.To convert m/s to km/h ,multiply it by

i)5/18 ii)18/5 iii)3/18 iv)18/3​

Answer 1

Answer:

Q.7 all of these

Q8 Rain water harvesting

Q9 forest

Q10 true

Q11

Answer 2

Answer:

7) (iv) all of these

8) (iv) Rain harvesting

9) (iv) population

10) (i) True.

11) (iv) circular

12) (iv) pistil

13) (ii) root

14) (i) True

15) (iii) circuit

16) (ii) wire

17) (i) sprinkler

18) (i) True

19) (ii) False

20) (i) violet

21) (iii) groundwater

22) (ii) canopy

23) (ii) dense

24) (ii) False

25) (ii) 18/5