Question

1. Kaleidoscope is ( )

(A) A small tube containing bits of coloured glass reflected by mirrors to form symmetrical

patterns as the tube is still

(B) A small tube containing bits of coloured glass reflected by mirrors to form symmetrical patterns

as the tube is rotated

(C) A small tube containing bits of coloured glass (D) Any one is correct

2. Periscope is a ( )

(A) optical instrument which is used to see objects at a higher level

(B) optical instrument which is used to see objects at a lower level

(C) a small tube containing bits of coloured glass reflected by mirror

(D) none of the above

3. Virtual image that can be obtained on a screen ( )

(A) true (B) false (C) can’t say (D) it depends

4. Convex mirror is ( )

(A) A mirror curved outward like the surface of a sphere

(B) A mirror curved like the inside half of a hollow ball

(C) Any mirror curved shape surface (D) All the above

5. The instrument used by people travelling in a submarine under water to sea objects

above the surface of sea is called ( )

(A) Kaleidoscope (B) Periscope (C) Telescope (D) Binoculars

6. The tiny holes in leaves through which exchange of gases takes place are called ( )

(A) stomata (B) chlorophyll (C) stem (D) roots

7. The process of sending out excess water from plants is called ( )

(A) transpiration (B) respiration (C) excretion (D) reproduction

8. Green plants are called ( )

(A) carnivores (B) heterotrophs (C) autotrophs (D) saprophytes

9. The process by which an organism takes food and assimilates it is ( )

(A) autotroph (B) nutrition (C) chlorophyll (D) symbiosis

10. The main nutrients needed for the plants are ( )

(A) nitrogen (B) potassium (C) phosphorus (D) all of them
Post the real answers OK.... give me answers fast , who send the answers first I will add in the brainlist​

Answer 1

Answer:

1 b

2 d

3 b

4 a

5 b

6 a

7 a

8 c

9 b

10 d

Explanation:

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