Solve 15 Online MCQs (Multiple Choice Questions) on Plant Water Relations. Quiz Test No. 01
To read more questions with answers visit:
Plant Water Relations: Quiz - 1
Congratulations - you have completed Plant Water Relations: Quiz - 1.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1 |
Which one of the following is used for measuring the rate of transpiration?
Ganong’s potometer | |
Moll's experiment | |
Auxanometer | |
Respirometer |
Question 2 |
‘Pulsation theory’ to explain ascent of sap was proposed by
Dixon and Jolly | |
J .C. Bose | |
Curtis and Clark | |
None of the above. |
Question 3 |
0.1 M solution of a solute has a water potential of
-2.3 bars | |
0 bar | |
22.4 bars | |
+2.3 bars |
Question 4 |
A cell becomes turgid when placed in
Isotonic solution | |
Hypertonic solution | |
Hypotonic solution | |
All of these |
Question 5 |
Stomata of CAM plants
never open | |
are always open | |
open during the day and close at night | |
open during the night and close during the day |
Question 6 |
A cell placed in hypertonic solution plasmolysis; the space between the cell wall and plasmolysed contents is filled with
Water | |
Cell sap | |
Hypertonic solution | |
Hypotonic solution |
Question 7 |
A cell when placed in solution gets plasmolysed. What is largely present in between the cell wall and the plasmolysed contents?
Water | |
Cell sap | |
Hypotonic solution | |
Hypertonic solution |
Question 8 |
A small mesophytic twig with green leaves is dipped into water in a big beaker under sunlight. It demonstrates
Photosynthesis | |
Respiration | |
Transpiration | |
None of these |
Question 9 |
A thin film of water is held by the soil particle under the influence of internal attractive force. It is called
Capillary water | |
Combined water | |
Hygroscopic water | |
Gravitational water |
Question 10 |
When a cell is fully turgid, which one of the following is zero?
Turgor pressure | |
Wall pressure | |
Diffusion pressure deficit | |
Osmotic pressure |
Question 11 |
Active K+ exchange mechanism for the opening and closing of stomata was given by
Devlin | |
Levitt | |
Seath | |
Khorana |
Question 12 |
The plants die due to wilting when
available light is reduced to half | |
xylem is blocked | |
a few roots are broken | |
phloem is blocked |
Question 13 |
After heavy rain fall with poor drainage, leaves of many plants wilt due to
Root rot | |
Poor soil aeration | |
High salt concentration | |
Low soil temperature |
Question 14 |
The direction and the rate of water movement from cell to cell is based on
Diffusion pressure deficit | |
Incipient plasmolysis | |
Turgor pressure | |
Wall pressure |
Question 15 |
At very low temperature, plants do not grow. This is due to
Desiccation of plants | |
Solarisation of plants | |
Cell cannot grow | |
Cell wall will be inhibited |
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
There are 15 questions to complete.
questions are really helpful for undertanding the basics
question are good…its really helpful for us…thanks
It’s really helpful for medical aspirants
amazing, al students shd get benefited frm it. really gud exercise to our minds
best questions
these are very useful
am really like these questions