Water Transport in Plants Practice Questions
20 free Water Transport in Plants practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Water Transport in Plants questions
- Q1. Which part of the root is primarily responsible for the absorption of water and minerals from the soil?
- Q2. The movement of water through the intercellular spaces and the walls of the cells, without crossing any semi-permeable membrane, is called:
- Q3. What prevents the apoplastic movement of water into the vascular cylinder at the endodermis?
- Q4. The symplastic system of water movement is characterized by:
- Q5. Which of the following physical properties of water provides the 'tensile strength' required for the transpirational pull?
- Q6. Root pressure is primarily responsible for which of the following phenomena observed in small herbaceous plants?
- Q7. In the root, the symplastic movement of water is aided by which cellular process observable in Hydrilla or Elodea leaves?
- Q8. In the root, the symplastic movement of water is aided by which cellular process in Hydra or Elodea leaves?
- Q9. The inner boundary of the root cortex is occupied by the:
- Q10. Water enters the root hair cell because its water potential is ______ than that of the soil water.
- Q11. Most of the water flow in the roots occurs via the apoplast because:
- Q12. What is the primary role of root pressure in the ascent of sap?
- Q13. Which of the following is a limitation of the apoplastic pathway?
- Q14. The 'tensile strength' of water is its ability to:
- Q15. Capillarity, the ability of water to rise in thin tubes, is aided by which characteristic of xylem elements?
- Q16. During transpiration, water evaporates from the ______ of the leaf into the intercellular spaces.
- Q17. Which of the following statements about the 'Mass Flow Hypothesis' is correct?
- Q18. The value of the 'pull' generated by transpiration can create enough pressure to lift a size-equivalent column of water over how many meters high?
- Q19. Which pathway involves the movement of water through the plasmodesmata?
- Q20. Which factor does NOT directly affect the rate of transpirational pull?