Available Answers

1. 1.

   Tick (√) the correct options:

   1. Vegetative propagation in potato takes place through __________________.
      1. roots
      2. stem tuber
      3. rhizome
      4. stem bulb
   2. Tamarind propagates vegetatively through __________________.
      1. rhizome
      2. roots
      3. leaves
      4. stem bulb
2. 2.

   Tick (√) the correct options:

   1. ______________ of the flower swells and develops to form fruit.
      1. Pollen
      2. Ovary
      3. Nectar
      4. Petal
   2. Which of the following is a type of pollination?
      1. self-pollination
      2. cross-pollination
      3. both of these
      4. none of these
3. 3.

   Tick (√) the correct options:

   1. Bryophyllum reproduces by its ________________.
      1. stem
      2. leaves
      3. roots
      4. flowers
   2. Asexual reproduction takes place through spore formation in ________________.
      1. Spirogyra
      2. yeast
      3. Hydra
      4. bread mould
   3. Which of the following seeds are not dispersed by animals?
      1. Urena
      2. gokhru
      3. Xanthium
      4. grasses
   4. The tough protective coating around the seed is called ________________.
      1. fruit
      2. flower
      3. embryo
      4. seed coat
   5. The fusion of male gamete with the female gamete produces ________________.
      1. ovary
      2. pollen
      3. zygote
      4. anther
   6. Insect-pollinated flowers are ________________.
      1. large
      2. bright-coloured
      3. scented
      4. all of these
4. 4.

   Match the following:

   Column A	Column B
   1. Roots, stems, leaves	a. pollination by water
   2. Hydrilla	b. pollination by wind
   3. Coconut	c. reproductive part of plant
   4. Flowers	d. seeds dispersed by water
   5. Wheat	e. vegetative parts

    

5. 5.

   Fill in the blanks:

   1. In ______________ reproduction, new organisms are obtained from single parent.
   2. Sporangium is found at the top of erect hyphae called ______________.
   3. The ovule present in an ovary grows to become ______________.
   4. The underground stem of potato is called ______________.
   5. The swollen tip of stamen is called ______________.
   6. Seeds of drumstick plant are dispersed by ______________.
6. 6.

   Name the male reproductive organ of the plant.