Available Answers

1. 1.

   Write right or wrong for the following statements:

   1. Different plants have same types of leaves.
   2. Stomata are present on the lower surface of the leaf.
   3. Green leaves put together water and carbon dioxide in the presence of sunlight to make food.
   4. During photosynthesis green plants trap the moon's energy to make food.
   5. All animals and human beings are called producers.
   6. Wild animals are given special protection in forest reserves and sanctuaries.
2. 2.

   Choose and write the correct option:

   1. ____________ recycle the air and make oxygen for us to breathe.
      1. Plants
      2. Animals
      3. Humans
   2. The stalk attaching the leaf blade to the stem is called the ____________.
      1. Vein
      2. petiole
      3. lamina
   3. Plants need a gas called ____________ to make food.
      1. nitrogen
      2. oxygen
      3. carbon dioxide
   4. The hydrogen is used with the carbon dioxide to make ____________.
      1. juice
      2. glucose
      3. peanuts
   5. Moulds and mushrooms are ____________ plants.
      1. non-green
      2. green
      3. white
   6. Animals breathe out ____________.
      1. oxygen
      2. carbon dioxide
      3. nitrogen
3. 3.

   Name the parts of a leaf. Explain them.
4. 4.

   What four things does a tree need for photosynthesis?
5. 5.

   What causes a tree's leaves to appear green?
6. 6.

   Why do leaves have stomata?