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Vraag 1 Verslag
An essential element whose deficiency in plants will result in poor growth, particularly of the roots, and is essential for cell well formation is
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Vraag 2 Verslag
Which of these agencies do not have anything to do with conservation of natural resources?
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Vraag 3 Verslag
Which of the following agricultural practices will NOT promote soil conservation ?
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Vraag 4 Verslag
The streaming movement of cytoplasm observed in a freshly cut leaf of a water plant is termed
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Vraag 9 Verslag
Modern method of classification of living things is based on similarity of?
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Vraag 10 Verslag
What is the result of placing a red blood cell in a hypertonic solution ?
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Vraag 11 Verslag
The most likely mode of an organism that possesses attachment structure, thin outer surface layer and absence of an elaborate digestive tract is
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Vraag 14 Verslag
Which of these organisms is most likely to have the least number if found within the same habitat?
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Vraag 15 Verslag
Which structure of the mammalian ear when removed will affect the maintenance of balance?
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Vraag 18 Verslag
Which ONE is not an adaptation for water conservation in plant found is arid region?
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Vraag 19 Verslag
Root pressure and the transpiration pull are biophysical processes which account for the?
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Vraag 21 Verslag
Which of these statements is NOT an idea contained in Lamarck’s theory of evolution.?
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Vraag 22 Verslag
The group of micro-organisms that plays a vital role in the baking industry is
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Vraag 24 Verslag
In a case of disputed paternity the most likely clue to resolving the problem is to match the ________________ of the baby with that of the father .
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Vraag 26 Verslag
Use the information to answer this question.
I. Smoking
II. Sun drying
III. Freezing
IV. Canning
V. Salting
VI. Pasteurization
A method of food preservation that works on the principle of dehydration is
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Vraag 28 Verslag
Which of the following agricultural activities has the least harmful effect on the environment ?
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Vraag 30 Verslag
Which of the following statements is NOT true according to the first and second laws of thermodynamics ?
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Vraag 31 Verslag
When both alleles in a heterozygous individual are fully expressed in the phenotype of the F, generation this phenomenon is described as
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Vraag 34 Verslag
Which of these is a liming factor with respect to human population size?
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Vraag 35 Verslag
Two identical twin boys had different finger print. This proves that
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Vraag 37 Verslag
When a student suddenly runs into a snake on a pathway, which of these chemical messengers are released ?
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Vraag 38 Verslag
Which of the following sequences best illustrates a food chain in an aquatic habitat ?
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Vraag 39 Verslag
An essential with the dental formula I 0/3 : C 0/1 : P 3/3 : M 3/3 is most likely adapted for ___________ nutrition .
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Vraag 40 Verslag
The release of sperms through the urethral opening into the vagina is called?
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Vraag 41 Verslag
The process which ensures that the chromosome number for each species of organism remains constant from generation to generation is called
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Vraag 42 Verslag
Lianas is to tropical rain forest as an extensive root system is to ---------------- habitat
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