Q48. Define cells, cell membrane, nucleus and cytoplasm.


Q49. Distinguish between a parasite and a saprotroph.


Q50. Show with the help of a sketch that the plants are the ultimate source of food


Q51. Can we imagine life on earth in the absence of photosynthesis?


Q52. Draw a diagram showing photosynthesis.


Q53. Write a note on pitcher plant?


Q54. How nutrients are replenished in the soil?






Last modified: Thursday, 25 November 2021, 4:47 PM