Home ยป Past Questions ยป Biology ยป Jamb ยป 2009
1

Chewing the cud is an adaptation peculiar to?

  • A. Herbivores
  • B. Omnivores
  • C. Rodents
  • D. Ruminants
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2

In the diagram, the function of the correcting lens is to?

  • A. diverge incoming rays
  • B. converge incoming rays
  • C. reflect incoming rays
  • D. screen incoming rays
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3

In the diagram, the eye defect illustrated is?

  • A. myopia
  • B. hypermetropia
  • C. astigmaism
  • D. cataract
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4

In the diagram, the likely pollinating agent of the flower is?

  • A. wind
  • B. water
  • C. insect
  • D. man
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5

In the diagram, the male sex cells are contained in the part labelled?

  • A. i
  • B. ii
  • C. iii
  • D. iv
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6

In the diagram, the habitat of the organism is

  • A. slow moving streams and marshes
  • B. the stomach of large mammals
  • C. under leaf filter on forest floor
  • D. the small intestine of large vertebrates
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7

In the diagram, the structure labelled X is for?

  • A. attachment
  • B. feeding
  • C. seeing
  • D. breathing
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8

Use the diagram above to answer this question.

The optimum temperature for the growth of the organism is

  • A. 25oC
  • B. 50oC
  • C. 75oC
  • D. 100oC
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9

Use the diagram above to answer this question.

The zone of physiological stress is represented by?

  • A. l and ll
  • B. ll only
  • C. ll and lll
  • D. l and lll
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10

Use the diagram above to answer this question.

The content of the part labelled lll is usually?

  • A. neutral
  • B. alkaline
  • C. acidic
  • D. saline
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11

Use the diagram above to answer this question.

Emulsification of fats takes place in the part labelled?

  • A. l
  • B. ll
  • C. lll
  • D. lV
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12

Use the diagram above to answer this question.

The part labelled l is the

  • A. spongy mesophyll
  • B. upper epidemis
  • C. cuticle
  • D. vein
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13

Use the diagram above to answer this question.

The structure that controls loss of water vapour during transpiration is labelled

  • A. l
  • B. ll
  • C. lll
  • D. lV
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14

According to Darwin, the driving force behind evolutionary change is

  • A. natural selection
  • B. genetic drift
  • C. mutation
  • D. gene flow
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15

During the dry season in the tropics, the body metabolism of some animals slow to a minimal level in a process referred to as?

  • A. hibernation
  • B. aestivation
  • C. dormancy
  • D. senescense
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16

The specialized pigment cells that are involved in colouration and colour change in animals?

  • A. xanthophyll
  • B. chromatophores
  • C. chlorophyll
  • D. melanin
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17

Which of the following animals is most adapted for water conservation?

  • A. earthworms
  • B. mammals
  • C. flatworms
  • D. insects
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18

The part of a domestic fowl responsible for preventing heat loss is the?

  • A. filoplume
  • B. contour feather
  • C. down feather
  • D. quill
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19

Plants that grow in an area that is neither too wet nor too dry are

  • A. xerophytes
  • B. mesophytes
  • C. epiphytes
  • D. hydrophytes
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20

A health condition that is known to have resulted from gene mutation is?

  • A. typhoid
  • B. rabies
  • C. sickle-cell anaemia
  • D. sleeping sickness
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21

A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?

  • A. 100%
  • B. 75%
  • C. 50%
  • D. 25%
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