Nutrition in Plants Unit Test Hobbies PDF Download

Time: 1 hour

M.M: 30

Attempt all questions.

Question numbers 1 to 5 carry 1 mark each.

Question numbers 6 to 8 carry 2 marks each.

Question numbers 9 to 11 carry 3 marks each.

Question numbers 12 & 13 carry 5 marks each.

Q1: Which of the following describes the mode of nutrition in saprotrophs?
(i)They make their food using sunlight and carbon dioxide.
(ii)They obtain nutrients from dead and decaying organic matter.
(iii)They feed on other living organisms.
(iv)They trap insects and digest them for nutrients.

Q2: Fill in the blank: Plants that synthesise their own food are called _________. (1 Mark)

Q3: Match the following:

Q4: Cuscuta, Mushroom, Rose plant, Pitcher plant - which one is the odd one out and why?

Q5: True or False: Symbiosis is a relationship where two organisms live together and both benefit from each other. (1 Mark)

Q6: Why do plants need nitrogen, and how do they obtain it? (2 Marks)

Q7: How does the pitcher plant obtain nutrients? (2 Marks)

Q8: How do algae prepare their food, and why are they green? (2 Marks)

Q9: How would you test the presence of starch in leaves? (3 Marks)

Q10: Differentiate between autotrophic and heterotrophic nutrition in plants. (3 Marks)

Q11: What are the roles of guard cells in the process of photosynthesis, and how do they help in regulating the exchange of gases and water loss in plants? (3 Marks)

Q12: Describe the process of photosynthesis in green plants and explain its significance.(5 Marks)

Q13: Explain the role of Rhizobium bacteria in replenishing soil nutrients. (5 Marks)

You can find the solutions of this Unit Test here: ​Unit Test (Solution): Nutrition in Plants​​​