1. Nutrition in Plants
Q 1 Name a plant that has both autotrophic as well as heterotrophic mode of nutrition. Mark (1)
Q 2 Name the green pigment that helps the leaves to capture sunlight. Mark (1)
Q 3 What is a lichen? Mark (1)
Q 4 What is the stored form of carbohydrates in plants? Mark (1)
Q 5 Why in the rainy season does a loaf of bread turn blue, brown or greenish? Mark (1)
Q 6 Write the chemical equation representing the process of photosynthesis. Marks (2)
Q 7 How are nutrients replenished in the soil? Marks (2)
Q 8 Why does the pitcher plant feed on insects though it is green? Marks (2)
Q 9 How would you test the presence of starch in leaves? Marks (2)
Q 10 What do you mean by heterotrophs? Marks (2)
Q11 What is Autotrophic nutrition? Give an example of autotrophs. Marks (2)
Q 12 Why do organisms need to take food? Marks (2)
Q 13 Define nutrition. Marks (2)
Q 14 What are nutrients? Marks (2)
Q 15 (i) How do fungi appear suddenly during the rainy season?
(ii) What is the mode of nutrition adapted by fungi? Marks (3)
Q 16 What is the difference between parasites and saprotrophs? Give an example for each. Marks (3)
Q 17 (i) Define the process of photosynthesis.
(ii) What is site of the photosyntheis in plants? Marks (3)
Q 18 What are insectivorous plants? Explain with example.
Marks (5)
Q 19 Draw the diagram of: (a) Stomata (b) Schematic diagram showing photosynthesis Marks (5)
Q 20 What is symbiosis? Explain this relationship with help of two examples. Marks (5)
Q 21 Why are leaves called the food factories of plants? Explain. Marks (5)
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