Class 9 Pollination and Fertilization Mock Test (ICSE)

Topics in Pollination and Fertilization

• Self and cross-pollination
• Agents of pollination
• Pollen germination
• Double fertilisation
• Post-fertilisation changes

Pollination and Fertilization practice questions with answers

1. Q1Multiple choice·1 mark
   In angiosperms, double fertilisation involves the fusion of one male gamete with the egg cell and the second male gamete with the:

   1. (a)Antipodal cells
   2. (b)Synergids
   3. (c)Secondary nucleus
   4. (d)Integuments
   Show answer and step marks

   1. Correct option: (c) Secondary nucleus+1

   Answer: (c)
2. Q2Multiple choice·1 mark
   Which of the following is a key advantage of cross-pollination over self-pollination?

   1. (a)Pure lines and parental traits are easily maintained.
   2. (b)Offspring show greater adaptability to environmental changes due to genetic variations.
   3. (c)There is no wastage of pollen grains.
   4. (d)It is completely independent of external agents.
   Show answer and step marks

   1. Correct option: (b) Offspring show greater adaptability to environmental changes due to genetic variations.+1

   Answer: (b)
3. Q3Multiple choice·1 mark
   Following fertilization in flowering plants, the ovule develops into the seed and the ovary develops directly into the:

   1. (a)Fruit
   2. (b)Pericarp
   3. (c)Endosperm
   4. (d)Testa
   Show answer and step marks

   1. Correct option: (a) Fruit+1

   Answer: (a)
4. Q4Multiple choice·1 mark
   During pollen germination, the tube cell develops into the pollen tube, while the generative cell divides to form:

   1. (a)Two female gametes
   2. (b)One female gamete and one male gamete
   3. (c)Two male gametes
   4. (d)One male gamete and one tube nucleus
   Show answer and step marks

   1. Correct option: (c) Two male gametes+1

   Answer: (c)

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