Available Answers

1. 1.

   Complete the mind map on dispersion of seeds.

   

2. 2.

   Multiple Choice Questions (MCQs)

   1. Which of these reproduces through the stem?
      1. Potato
      2. Bryophyllum
      3. Sweet potato
      4. Fern
   2. Which of these can reproduce from leaves?
      1. Onion
      2. Pine
      3. All flowering plants
      4. Bryophyllum
   3. A seed has been kept for a long time. Which of these is necessary for it to start germinating?
      1. Water
      2. Air
      3. Warmth
      4. All of these
   4. Bina discovered a seed which was surrounded by soft light hairs. Which of these is likely to be the agent of dispersal for the seed?
      1. Water
      2. Air
      3. Animals
      4. Explosion of fruit
   5. Most flowering plants reproduce through:
      1. Seeds
      2. Spores
      3. Leaves
      4. Stem
3. 3.

   Put √ for true, and Χ for false.

   1. All plants reproduce from seeds.
   2. The baby plant in the seed starts using the food stored in the seed after dispersal.
   3. The seed needs sunshine to start growing.
   4. The process of a pollen grain landing on a stigma is known as fertilization.
   5. After fertilization, the ovary changes into a fruit.
4. 4.

   Solve the crossword puzzle.

   DOWN

   1. Pieces of stem that can grow into new plants.

   ACROSS

   1. Tiny things produced instead of seeds by some plants for reproduction.
   2. Growth of a baby plant from a seed.
   3. Joining of a male cell with a female cell.
   4. Scattering of seeds away from the parent plant.
   5. It protects the seed.

   

5. 5.

   What is fertilization?
6. 6.

   What changes happen in a flower after fertilization?