Science puzzle

2. Large number of roots are originated from the tap root are called _____ roots.
4. Images formed by convex mirrors are always _______.
6. Phenomenon of inversing right and left sides of an object when observed through a plane mirror is known as _____ inversion.
9. Animals without backbone.
11. Images formed by plane mirrors are always _____ to the object.
12. Animals with backbone.
15. If a image of an object can be obtained on to a screen the image is termed as _____ .

1. If a image of an object cannot be taken on to a screen , then the image is lnown as ______ .
3. Convex mirrors are considered as _____ mirrors.
5. Concave mirrors can be used to _____ light.
7. Objects with unlike electric charges ______ each other.
8. ________ mirrors should be used to obtain inverted images.
10. A property of an image , formed by a convex mirror is _____ than object.
13. Objects with like electric charges ______ each other.
14. A single large root which originates from the base of the stem is called _______ root.