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Question
Complete the following statement by choosing the correct alternative given below :
All animals would die on the earth if there was no ______.
Options
chlorophyll
haemoglobin
penicillin
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Solution
All animals would die on the earth if there was no Chlorophyll.
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RELATED QUESTIONS
The diagram is set up to demonstrate an experiment. Pond weed was placed in five water-filled tubes. The experiment was set up as shown in the diagram. The tubes were then left for 24 hours. Write the correct answer out of the five available choices:
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A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
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