Available Answers

1. 1.

   Multiple choice questions.

   1. The kind of reproduction in which a new plant grows from the body parts of a plant is called:
      1. vegetative propagation
      2. spore formation
      3. sexual reproduction
      4. conjugation
   2. Which of the following plants grows from the bulbs of the mother plant?
      1. Gladioli
      2. Lilies
      3. Tuberoses
      4. All the above
   3. The buds of a potato are also called:
      1. radicle
      2. plumule
      3. eyes
      4. bulb
   4. The individual unit of androecium is called
      1. carpel
      2. stamen
      3. sepal
      4. petal
   5. Which part of a flower encloses the rest of the flower parts in the bud stage?
      1. Sepals
      2. Petals
      3. Stamens
      4. Carpels
   6. The anther of a flower contains a yellow powder like substance called:
      1. ovule
      2. anthrospore
      3. pollen grain
      4. none of these
   7. The outer covering which protects the baby plant inside the seed is called the
      1. seedling
      2. seed coat
      3. cotyledons
      4. embryo
   8. The coconut seed is dispersed by
      1. water
      2. animal
      3. explosion
      4. wind
2. 2.

   Fill in the blanks.

   leaves, wind, flower, radicle, kharif, organic

   1. ______________ fertilizers are obtained from decaying plants.
   2. Crops grown in the summer season are called ______________ crops.
   3. Seeds of cotton are dispersed by ______________.
   4. The ______________ develops into a root.
   5. ______________ is the reproductive organ of a plant.
   6. Bryophyllum ______________ produce buds along their margins.
3. 3.

   Describe the different parts of a flower.

4. 4.

   What is seed dispersal? Name two agents of dispersal.

5. 5.

   Name the conditions necessary for germination.

6. 6.

   What are kharif and rabi crops?