The greatest concentration of light receptors is found in the part labelled
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2,099 questions
Question 1011
waec
1989
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Question 1012
waec
1989
The light - sensitive layer is labelled
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Question 1013
waec
1989
Which of the following organisms is at the tissue level of organization?
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Question 1014
waec
1989
The bone that articulates with the part labelled III is the
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Question 1015
waec
1989
The part labelled I is the
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Question 1016
waec
1989
The piece of bone represented in the diagram is found in the
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Question 1017
waec
1989
The upward movement of the sap in the xylem vessel is brought about by
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Question 1018
waec
1989
The loss of water vapour through the aerial parts of the plant to the atmosphere is called
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Question 1019
waec
1989
The part through which manufactured sugar is transported is labeled
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Question 1020
waec
1989
The xylem is labelled
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Question 1021
waec
1989
The pilaferous layers is labelled
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Question 1022
waec
1989
In which of the following is cilia not associated with movement or transport of materials?
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Question 1023
waec
1989
Blood in mammals transports oxygen because it contains the pigment called
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Question 1024
waec
1989
Which of the following is the function of the hormone in the lslets of Langerhans?
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Question 1025
waec
1989
Which of the following is the correct route for the movement of materials through the kidney?
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Question 1026
waec
1989
Which of the following statements is not true of osmotic process?
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Question 1027
waec
1989
Four cells with osmotic potential equivalent to that of 3% salt solution were immersed respectively in solutions
of different concentrations labeled as follows: I = 4% salt solution; II = 6% salt solution III = 1% salt solution;
IV = 10% salt solution; V = 5% salt solution. Which of the solutions will cause an increase in osmotic
pressure within the cell?
of different concentrations labeled as follows: I = 4% salt solution; II = 6% salt solution III = 1% salt solution;
IV = 10% salt solution; V = 5% salt solution. Which of the solutions will cause an increase in osmotic
pressure within the cell?
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Question 1028
waec
1989
Which of the following constitutes the main internal tissue of a leaf?
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Question 1029
waec
1989
Which of the following is not likely to be found in the cell of a ripe tomato fruit?
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Question 1030
waec
1989
The cell membrane consists of
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