Multiple choice

Plants are the basic source of

  1. water

  2. carbon dioxide

  3. food

  4. manure
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Plants are autotrophs. They can make their own food from inorganic raw materials like water and carbon dioxide obtained from their surroundings. Plants act as the source of food for all the birds and animals, including humans. 

Keep practicing — related questions