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Question 1 Report
In the nucleus of a cell, the thread-like structure in which genes are embedded is
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Question 2 Report
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A class of 40 set out to determine the population of lizards in a bound field measuring 200 metres by 100 metres using the capture-recapture method.
In their first outing, the students captured a total of 360 lizards all of which were marked with indelible ink and then released back into the field.
After a one week interval the students went back into the field and caught a total of 250 lizards out of which 150 bore the indelible ink mark.
The population density of the lizards in the field is?
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Question 4 Report
The interaction between members of the same population over scarce resources is called
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Question 7 Report
The incomplete breakdown of glucose into alcohol, carbon dioxide and energy is referred to as
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Question 9 Report
The pro-condition for transfusion of blood to an accident victim is
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Question 10 Report
Which process will NOT release carbon dioxide into the atmosphere?
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Question 11 Report
An example of a disease linked to the sex-chromosome is
Question 12 Report
Thick succulent stems and leaves are an adaptation for conservation of water
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Question 14 Report
The sum total of all the roles an organism plays in a habitat is referred to as its
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Question 16 Report
Which reagent is used to test for the presence of starch in a food substance?
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Question 20 Report
Which excretory product is NOT found in mammals?
Question 21 Report
Which part of Euglena performs a similar function to that of the oral groove in paramecium?
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Question 23 Report
Which process does NOT represent a form of reproduction in plants?
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Question 25 Report
Oxygenated blood from the lungs is carried to the left atrium of the heart through the
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Question 27 Report
Which statement about how all life started is NOT true according to current thinking on evolutionary trends?
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Question 30 Report
Mammals are said to be homoiothermic because their body temperature is
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Question 34 Report
A group of interacting populations in a particular habitat can be described as
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Question 35 Report
Which is NOT a viral disease?
Question 36 Report
Which process best explains the raising upward and outward of the ribs during breathing?
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Question 39 Report
The result of placing a plant cell in a hypertonic solution for a long time is ________of the cell.
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Question 40 Report
Use the data to answer this question
A class of 40 set out to determine the population of lizards in a bound field measuring 200 metres by 100 metres using the capture-recapture method.
In their first outing, the students captured a total of 360 lizards all of which were marked with indelible ink and then released back into the field.
After a one week interval the students went back into the field and caught a total of 250 lizards out of which 150 bore the indelible ink mark.
What is the estimated population of lizards in the field?
Answer Details
Question 42 Report
Bacteria which derive energy for food synthesis by oxidizing certain inorganic compounds are said to be
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Question 43 Report
The remains impressions of animals and plants preserved in rocks are referred to as
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