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Biology Past Questions and Answers

Jamb Biology Questions

Question 41:

The correct route for a piece of bread eaten by a mammal is

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A Oral cavity - oesophagus - stomach - ileum - rectum
B Oral - cavity - stomach - oesophagus - duodenum - ileum - rectum
C Oral cavity - oesophagus - duodenum - rectum
D Oral cavity - oesophagus - ileum - stomach - duodenum - rectum
E Oral cavity - oesophagus - stomach - ileum - duodenum - rectum

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Question 42:

The thoracic vertebrae of a mammal is characterized by the

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A Vertebraterial canal
B Prominent neural arch
C Prominent transverse
D Prominent neural spine
E Prominent centrum

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Question 43:

The correct figure sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is

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A 12453
B 24135
C 21435
D 14325
E 31425

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Question 44:

Which of the structure becomes the seed coat after fertilization?

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A 1
B 2
C 3
D 4
E 5

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Question 45:

What would happen if solution Y is more concentrated than solution X in the figure above?

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A The level of X would rise, Y would fall
B The level of X would rise Y would rise
C The level of X and Y would stay the same
D The level of Y would rise and X would fall
E The levels of Y would fall and X would fall

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