- (a)(A) is true and (R) is false
- (b)(A) is false and (R) is true
- (c)Both (A) and (R) are true and (R) is the correct explanation of (A)
- (d)Both (A) and (R) are true but (R) is not the correct explanation of (A)
Transpiration
Appeared in 10 of the 11 available papers.
Appears almost every year — treat as core
Average per paper it appears in · 65 marks in total
33% of this chapter's 60 questions
26 questions carry a figure — practise drawing them
Question-type distribution
- Short answer20
- MCQ18
- Reasoning8
- Biological term5
- Definition5
- Sequencing1
- Differentiate1
- Diagram1
Most frequent topics
Showing 25 of 60 matching questions (64.5 marks).
25 questions
Select the correct answers to the questions from the given options. (Do not copy the questions, write the correct answer only.)
Two well-watered, identical plants were placed in brightly lit rooms at different temperatures — one at 15°C and the other at 38°C. The plant in the warmer room showed wilting by the end of the day.
Name the following:
Read the explanations given below and name the structures:
Select the correct answers to the questions from the given options. (Do not copy the questions, write the correct answer only.)
- (a)Osmosis
- (b)Imbibition
- (c)Diffusion
- (d)Guttation
- (a)Cobalt ions
- (b)Potassium ions
- (c)Magnesium ions
- (d)Aluminium ions
Arrange and rewrite the terms in each group in the correct order to be in a logical sequence beginning with the term that is underlined:
Select the correct answer to the questions from the given options. (Do not copy the questions, write the correct answer only.)
- (a)Filter paper
- (b)Litmus paper
- (c)Starch paper
- (d)Cobalt chloride paper
Name the following:
Name the following by choosing the correct option:
- (a)Stomata
- (b)Hydathodes
- (c)Lenticels
- (d)Epidermal pores
Choose the correct answer from each of the four options given below:
- (a)Creates a suction force for absorption of water from the soil
- (b)Helps in photophosphorylation
- (c)Synthesises glucose
- (d)Splits water molecules
- (a)Xylem
- (b)Phloem
- (c)Epidermis
- (d)Cortex
Explain the following terms:
- (a)It is the loss of water in the form of droplets from the aerial parts of the plant.
- (b)It is the loss of water in the form of water vapour from the underground parts of the plant.
- (c)It is the loss of water in the form of water vapour from the aerial parts of the plant.
- (d)It is the loss of water in the form of water vapour from all parts of the plant.
Mention the exact location of the following:
- (a)Around the root hairs
- (b)Around the lenticels
- (c)Around the thylakoids
- (d)Around the stoma
- (a)Conducts water and minerals in leaves
- (b)Does not conduct water and minerals in stems
- (c)Conducts food and nutrients to roots
- (d)Conducts food and nutrients to all parts of the plant