(a) Auxins/IAA/ Gibberellis;
(b) Caused rapid cell elongation; causing more /faster growth on the side applied;
sharon kalunda answered the question on September 16, 2019 at 11:49
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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The apparatus whose diagram is given below can be used to demonstrate results of a physiological process that occurs in a mammal. To use the apparatus, the experiment places his mouth at the point marked X and breaths in and out gently.
a. State the observations in the boiling tube when the experimenter
i) Breaths in:
Boiling tube, A
Boiling tube, B
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Boiling tube, A
Boiling tube, B
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Structures:
Type of evolution:
Date posted: September 16, 2019. Answers (1)
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Food eaten:
Reason:
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Habitat:
Reason:
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Type of structure:
Reason:
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Date posted: September 16, 2019. Answers (1)
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(ii) Leaf venation
(iii) Leaf colour
(iv) Leaf margin
(v) Number of leaflets
(vi) Attachment of leaflets
1) (a) Leaf simple ……………………………………………. go to 2
(b) …………………………………………………………………………….
2) (a) ……………………………………………………………………………
(b) Leaf with network venation …………………………… go to 4
3) (a) ……………………………………………………………………………
(b)…………………………………………………………………………….
4) (a) ……………………………………………………………………………
(b)…………………………………………………………………………….
5) (a) ……………………………………………………………………………
(b)…………………………………………………………………………….
6) (a) ……………………………………………………………………………
(b)…………………………………………………………………………….
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Date posted: September 16, 2019. Answers (1)
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(i) Bamboo plants:
(ii) Maize plants:
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(ii) Give a reason for your answer in (b) (i) above.
(c) Between weeks 14 and 18, the average height of the maize plants remained constant while average dry weight increased.Explain this observation.
(d) Suggest how the change in the average dry weight bamboo and maize plants would have been at week 22 if the experiment was continued.
(e) Why was it appropriate for this experiment to use:
(i) Dry weight instead of fresh weight.
(ii) Weight and height.
(f) Describe how the average height and weight of the plants were determined in this experiment.
(i) Average height.
(ii) Average dry weight.
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Date posted: September 16, 2019. Answers (1)
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Man:
Woman:
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Date posted: September 16, 2019. Answers (1)