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Question 1 Report
Oxygen liberated during photosynthesis has been demonstrated to come from
Question 5 Report
Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata
Question 7 Report
Evidence that a tooth is a living part of the mammalian can be found within the
Question 10 Report
The stem differs from the root in having the xylem and phloem strands
Question 11 Report
Which of the following elements is essential for the formation of haemoglobin?
Question 13 Report
A major limitation in the use of the potometer for measuring the rate of transpiration is that
Question 15 Report
Which of the labelled parts will develop into a new maize plant?
Question 17 Report
The equation that can be used to summarize the process of anaerobic breakdown of sugar is
Question 18 Report
The hormones which regulates the amount of glucose in the blood is called
Question 19 Report
Two main distinguishing features of the cervical vertebra are the presence of
Question 20 Report
Sample of different soil types are packed in glass tubes whose lower ends are plugged with cotton wool, if these tubes are suspended in a trough of water, water will rise highest after a few hours in
Question 21 Report
Which of the following ecological factors are common to both terrestrial and aquatic habitats?
Question 22 Report
Which of the following is an example of discontinuous variation?
Question 23 Report
The swollen shoot disease of cocoa tree is caused by a
Question 25 Report
If a woman who is a carrier of sickle cell trait (AS) married a man who is a sickler (SS) and they had four children, how many of them would be normal?
Question 26 Report
In addition to the high calories derived from fats and oils, they are
Question 27 Report
Which of these disease CANNOT be prevented by immunization?
Question 30 Report
The structure labelled 1 is the
Question 31 Report
In the mammalian skin, melanin and keratin are contained in the
Question 34 Report
In an agricultural ecosystem, the biotic component consists of
Question 37 Report
The following are methods of soil conservation EXCEPT
Question 38 Report
The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if
Question 40 Report
Which of the following statement is NOT correct with respect to inhalation in mammals? The
Question 41 Report
Which of the following has cones?
Question 42 Report
An instrument that can be used to demonstrate phototropism and geotropism in plants is the
Question 43 Report
Incomplete metamorphosis occurs in the
Question 46 Report
In an ecosystem, animals which feed directly on plants are called
Question 47 Report
For effective functioning of a bird's quill feather, hooks fit on the ridge of the
Question 48 Report
The aperture between the left auricle and the left ventricle is guarded by the
Question 49 Report
Which of the following is NOT true of spirogyra?
Question 50 Report
Blood circulation in a mammalian is said to be double because
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