DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What two things do plants produce that are necessary for animals to survive?
A
carbon dioxide and oxygen
B
water and oxygen
C
sugar (food) and oxygen
D
None of the above
Explanation: 

Detailed explanation-1: -Water and carbon dioxide are used to make the sugar and oxygen. Oxygen is released through openings in the leaf called stomata. Photosynthesis provides the oxygen in the atmosphere that living things need.

Detailed explanation-2: -Plants are producers-they take energy from the sun, nutrients from the ground, and water to grow and produce their flowers, seeds, and berries. They also release oxygen, which all animals, including humans, need to survive. Animals are consumers and they all depend on plants for survival.

Detailed explanation-3: -To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis.

Detailed explanation-4: -Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls. Starch is stored in seeds and other plant parts as a food source.

There is 1 question to complete.