Biology
Grade-9
Easy
Question
Which of the following is a CAM plant?
- Sugarcane
- Maize
- Pineapple
- Rice
Hint:
CAM plants are the plants, which fix carbon dioxide by CAM pathway or Crassulacean acid metabolism. It was first discovered in the plants of the Crassulaceae family. They are present in dry and arid environments
The correct answer is: Pineapple
- CAM plants are the plants, which fix carbon dioxide by CAM pathway or Crassulacean acid metabolism. It was first discovered in the plants of the Crassulaceae family. They are present in dry and arid environments. The CAM pathway is adapted to minimise water loss and photorespiration.
- Sedum, Kalanchoe, Pineapple, Opuntia, Snake plant are the examples of CAM plants. These plants also perform double carbon dioxide fixation. The carbon dioxide acceptor in CAM plants is Phosphoenol pyruvic acid (PEP) during the night and Ribulose bisphosphate is carbon dioxide acceptor during the daytime.
- So option 3 is correct
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