GRADE 7-NUTRITION IN PLANTS -REVISION

The food synthesised by plants is stored as _________________.

• carbohydrate

• Starch

• STARCH

• Carbohydrate

The equation for photosynthesis is

• oxygen + water --> glucose + carbon dioxide

  Incorrect

• oxygen + glucose --> carbon dioxide + water

  Correct

• carbon dioxide + water --> carbohydrate + oxygen

  Incorrect

• carbon dioxide + glucose --> oxygen + water

Insectivorous plants eat insects to fulfill their needs of

• Energy

  
  

• nitrogen,

• potassium

• calcium

insectivorous plant is

• 
• 
• 
• 

Which of the following component of food contains Nitrogen

• Carbohydrate

• Protein

• Fat

• Minerals

Guard cells of stoma are

• irregular in shape

• convex in shape

• long and cylindrical in shape

• kidney-shaped

In photosynthesis solar energy is absorbed by the pigment called ___________.

Iodine used to detect presence of starch. It gives starch

• (a) red colour

• (b) green colour

  (

• c) blue-black colour

• (d) colourless appearance

The mode of nutrition in a green plant is ………………

• (a) Heterotrophic

• (b) Saprophytic

• (c) Autotrophic

• (d) Holozoic

symbiotic relationship

• fungus +bacteria

• fungus + algae

• bacteria + virus

• all the above