AUTOTROPHIC NUTRITION

The reactants of photosynthesis are carbon dioxide and____

• Chlorophyll

• Water

• Oxygen

• Sunlight

The organisms which prepare food for themselves using simple naturally available raw materials are referred to as ______

• Heterotrophs

• Autotrophs

• Parasites

• Saprophytes

Which of the following are the products of photosynthesis?

• O_{2 &} CO₂.

• CO₂.& C₆H₁₂O₆

• CO₂.& H2.

• O_2& C₆H₁₂O₆

Which of the following is the simplest form of food formed during photosynthesis?

• Starch

• Protein

• Glucose

• Fat

Meher wiped the leaves of a plant with an oily cloth to remove all the dust and to give it a shiny look. After a few days the plant died. Why?

• Water would not be absorbed as oil is a water repellant

• Sunlight cannot pass through the oil

• Oil would have dissolved the chlorophyll

• Oil would have blocked the stomata and prevented gas exchange