13. In a ____________ arrangement, the leaf is attached to the stem in a spiral pattern

12. In a compound leaf, the leaf blade is divided into tiny

11. The green pigment in the leaf is called

10.In this type of arrangement , a pair of leaves arises from the same node but opposite to each other

8. Transpiration occurs through the

6. Tendrils help a plant in

5. As a result of photosynthesis leaves prepare food in the form of

3.This plant has highly segmented leaves

1.This part of the leaf attaches the leaf base to the stem

2. At night, when there is no sunlight, the plants take in oxygen and release

The plants and animals cannot survive without air

Vinegar dissolves in water.

Sand settles down in water.

Oil mixes with water.

Sugar does not dissolve in water.

A piece of wood floats on water.

Chalk dissolves in water.

A notebook has lustre while eraser does not

Stone is transparent, while glass is opaque