Choose the correct statement with respect to photosynthesis.
The exchange of gases during respiration and photosynthesis take place by ______.
(osmosis/diffusion)
Which of the following statements are correct?
(i) Sunlight, carbon dioxide, chlorophyll and water are necessary for photosynthesis. (ii) Oxygen is absorbed from the atmosphere during the process of photosynthesis. (iii) Leaves carry out photosynthesis. (iv) Proteins are made during photosynthesis.
Read the following sentences about photosynthesis.
(i) Sunlight, carbon dioxide, chlorophyll, and water are necessary.
(ii) Oxygen is absorbed.
(iii) Leaves carry out photosynthesis.
(iv) Proteins are made during photosynthesis.
Choose the correct pair of sentences that are true to photosynthesis.
(i) In plants, respiration happens during the night time only, while photosynthesis happens during the day.
(ii) In humans, the exchange of gases takes place in the alveoli.
(iii) Haemoglobin has a greater affinity for oxygen than carbon dioxide.
(iv) Aquatic organisms use the oxygen in the surrounding atmosphere for respiration. [0.8 Mark]