A student had drawn the diagram of stomata in a hurry, as shown alongside. He could not be given full marks as he :

(1) forgot to draw nuclei in guard cells and also to label the diagram.
(2) did not draw nuclei in guard cells and other cells.
(3) should have drawn nuclei and chloroplasts in guard cells and nuclei in all epidermal cells.
(4) did not label the stoma in the correct position.

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Solution

The student could not get full marks for his diagram because he should have drawn nuclei and chloroplasts in guard cells and nuclei in all epidermal cells.

Hence, the correct answer is option 3.

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Similar questions

Q. A well stained leaf peel mount when observed under the high power of a microscope shows nuclei in :
(1) only epidermal cells
(2) only guard cells
(3) guard cells and epidermal cells
(4) guard cells, epidermal cells and stoma

Draw a neat diagram of the stomatal apparatus found in the epidermis of leaves and label the Stoma, Guard cells, Chloroplast, Epidermal cells, Cell wall and the Nucleus.

Q. In the sketch of stomatal apparatus given alongside, the parts I, II, III and IV were labelled differently by four students. The correct labelling is shown in :

(1) (I) guard cells, (II) stoma, (III) starch granule, (IV) nucleus
(2) (I) cytoplasm, (II) nucleus, (III) stoma, (IV) chloroplast
(3) (I) guard cells, (II) starch, (III) nucleus, (IV) stoma
(4) (I) cytoplasm, (II) chloroplast, (III) stoma, (IV) nucleus

Q. In the sketch of the stomatal apparatus given alongside, which one of the following is missing?

(1) Cell membranes of the cells
(2) Cell walls of the cells
(3) Nuclei in the guard cells
(4) Chloroplasts in the guard cells

Q. Four students, A, B, C and D, make the records given below, for the parts marked X and Y in this diagram.

Student X Y

A
B
C
D Stoma
Guard cell
Epidermal cell
Stoma Guard cell
Stoma
Stoma
Epidermal cell

The correct record, out of these, is that of student:

(1) A
(2) B
(3) C
(4) D

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Student	X	Y
A B C D	Stoma Guard cell Epidermal cell Stoma	Guard cell Stoma Stoma Epidermal cell

The student could not get full marks for his diagram because he should have drawn nuclei and chloroplasts in guard cells and nuclei in all epidermal cells. Hence, the correct answer is option 3.

The student could not get full marks for his diagram because he should have drawn nuclei and chloroplasts in guard cells and nuclei in all epidermal cells.

Hence, the correct answer is option 3.