Question

The substance W is necessary for the normal growth and development of all types of plants and animals. An acute scarcity of substance W has an ill effect on plants which can hinder the natural process X in plants causing a severe shortage of Y leading to famine. Itmay also lead to the shortage of Z which is essential for breathing and respiration. What could W, X, Y and Z be?

Answer 1

W  -  Water

X  -  Photosynthesis

Y  -  Food products

Z  - Oxygen

Explanation:

Photosynthesis

It is the process by which plants can make their own food with the help of water and carbon dioxide in the presence of sunlight and chlorophyll.

      In the absence of any of the above components , the process will get hinder and that leads to the wilting of plant.

Answer 2

Answer:

W :water

X :photosynthesis

Y :food products

Z :oxygen