English

Choose the Correct Answer: Stomata Open During Day Time Because Guard Cells - Biology

Advertisements
Advertisements

Question

Choose the correct answer:

Stomata open during day time because guard cells

Options

  • Do photosynthesis and synthesis osmotically active.

  • Are of thin walls.

  • Are of bean shape.

  • Help in exchange of gases.

MCQ
Advertisements

Solution

Stomata open during day time because guard cells do photosynthesis and synthesis osmotically active

shaalaa.com
Kinds of Transpiration
  Is there an error in this question or solution?
Chapter 5: Transpiration - Exercise 5 [Page 64]

APPEARS IN

Frank Biology II [English] Class 7 ICSE
Chapter 5 Transpiration
Exercise 5 | Q 1.03 | Page 64

RELATED QUESTIONS

Name the following:  

Any two parts of a leaf which allow transpiration.


Explain typical structure of stomata.

Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the questions that follow:

Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.


Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:

Why are glass slides placed over the dry cobalt chloride papers?


Differentiate Between Cobalt chloride paper and Goat’s bladder.


The figure below represents the vertical section of a leaf:

(i) Name the parts labeled 1 to 5.
(ii) What do the two arrows (dotted and solid) indicate in the day time and at night?
(iii) Could you add one more arrow in the figure? If yes, what for?
(iv) How many leaf veins have been shown in this section?


Given below is an experimental set up to study a particular process:

(i) Name the process being studied.
(ii) Explain the process named in (i) above.
(iii) Why is the pot covered with a plastic sheet?
(iv) Mention one way in which this process is beneficial to the plant.
(v) Suggest a suitable control for this experiment.


Give Technical Term
Which side of the leaf has more stomata?


Complete the following sentence with appropriate word:

95% of the total transpiration takes place through ________.


Give a reason/suitable explanation.

More transpiration occurs from the under surface of a dicot leaf.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×