FORM THREE BIOLOGY TOPICAL QUESTIONS WITH ANSWERS
CHAPTER : 7  REPRODUCTION
1

The function of the bright coloured petals in flowers is

  1. to store nectarines 
  2. to hold sepals in position 
  3. to produce colour of the flower 
  4. to receive pollen grain 
  5. to attract insects for pollination.      
Choose Answer :


2

Which of the following is formed immediately after fertilization?

  1.  Placenta
  2.  An embryo
  3.  A foetus
  4.  Amniotic fluid
  5.  A zygote
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3

The human ovary secretes hormones known as:

  1.  Oestrogen and testosterone
  2.  Progesterone and testosterone
  3.  Oestrogen and lactogen
  4.  Oestrogen and progesterone
  5.  Follicle stimulating hormone and progesterone
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4

flow many gametes are produced from one cell during meiosis?

  1. Eight 
  2. Two  
  3. Four 
  4. Six 
  5. Ten.         
Choose Answer :


5

A part of an onion bulb which is important for vegetative propagation is

  1.  scale leaves
  2.  foliage leaves
  3.  terminal buds
  4.  roots
  5.  stem.
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6

 Which part of the flower receives pollen grain during pollination?

  1.  Petal 
  2. Stigma 
  3. Stamen 
  4. Style 
  5. Ovary.
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7

Fertilization process is defined as

  1.  formation of new cells
  2.  union of an egg and sperm
  3.  implantation of a zygote
  4.  fusion of eggs in the uterus
  5.  cell division in the oviduct
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8

A term used to identify an individual animal having both male and female sex organs is

  1.  unisexual
  2.  hermaphrodite
  3.  asexual
  4.  dioecious
  5.  monoecious
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9

How many gametes are produced from one cell during meiosis?

  1.  Two
  2.  Four
  3.  Six
  4.  Eight
  5.  Ten
Choose Answer :


10

In which specific part of the female reproductive system is tubal ligation applied as a method of birth control?

  1. Oviduct
  2. Uterus
  3. Cervix 
  4. Ovary 
  5. Vagina
Choose Answer :


11

  Figure 1 represents an external structure of a hibiscus flower. Study it carefully and answer the questions that follow:

Figure 1

  1.  Name the parts labeled A, B, C, D, E and F.
  2.  What are the functions of the parts labeled B, D and E?
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12

Briefly explain the process of menstruation in human being.

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13

(b) Mention two types of the common disorders of human reproductive system.

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14

  Briefly explain how you would identify an insect pollinated flower.View Ans



15

Explain the process of fertilization in flowering plants.

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16

 With the aid of illustrations, discuss the stages of mitosis.

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17

Give the meaning of the following terms:

  1. Vegetative propagation.

  2. Gamete.

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    18

    Explain the merits and demerits of asexual reproduction in plants.

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19

Describe four similarities and seven differences between insect and wind pollinated flowers.

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20

 In animals, not every mating leads to fertilization. Give four factors in males which account for this problem.

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21

Give four differences that exist between insect pollinated flowers and wind pollinated flowers.

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22

Explain four family planning methods and indicate one disadvantage of each. (15 marks)

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