Practice Scientific Inquiry And Skills (5) - Photosynthesis and Respiration

Practice: Scientific Inquiry and Skills

Lesson 5Photosynthesis and Respiration

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9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of boiling a leaf in the starch test?
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Think about why we stop biological activity.
Question 2.
What does a blue-black color mean when testing a leaf with iodine?
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Consider what starch indicates regarding photosynthesis.
3Question 3.
What happens to the color of iodine when starch is present?
- Turns red
- Turns blue-black
- Stays brown
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Think about the color change in the test.
4Question 4.
True or False: The rate of photosynthesis decreases with higher light intensity.
- True
- False
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Consider how plants respond to light.
Question 5.
Design a comprehensive experimental approach to determine the optimal light intensity for photosynthesis in Elodea. Include control measures.
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Consider what other variables may affect photosynthesis during your design.
Question 6.
Interpret the results of your starch test on a leaf from a plant grown in different light conditions. What conclusions can you draw?
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Think about how light availability influences plant processes.

5 more questions in this section. Enroll free to practise them all.