Plant Cells and Tissues - Numerical Applications
Q. How many layers of cells typically make up the epidermis in dicotyledonous plants?
Solution
The epidermis in dicotyledonous plants typically consists of a single layer of cells.
Correct Answer: A — 1
Q. How many types of phloem cells are there?
Solution
There are two main types of phloem cells: sieve elements and companion cells.
Correct Answer: B — 2
Q. How many types of primary meristematic tissues are there in plants?
Solution
There are three types of primary meristematic tissues: protoderm, ground meristem, and procambium.
Correct Answer: C — 3
Q. How many types of sclerenchyma cells are there?
Solution
There are two main types of sclerenchyma cells: fibers and sclereids.
Correct Answer: B — 2
Q. How many types of xylem cells are there?
Solution
There are two main types of xylem cells: tracheids and vessel elements.
Correct Answer: B — 2
Q. What is the average number of chloroplasts found in a typical mesophyll cell?
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A.
1-10
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B.
10-50
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C.
50-100
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D.
100-200
Solution
A typical mesophyll cell contains about 10 to 50 chloroplasts.
Correct Answer: B — 10-50
Q. What is the average number of stomata per square millimeter on a leaf?
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A.
10-100
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B.
100-500
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C.
500-1000
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D.
1000-5000
Solution
The average number of stomata per square millimeter on a leaf is typically between 100 and 500.
Correct Answer: B — 100-500
Q. What is the average size range of a typical plant cell?
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A.
1-10 micrometers
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B.
10-100 micrometers
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C.
100-1000 micrometers
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D.
1-10 millimeters
Solution
Most plant cells range from 10 to 100 micrometers in size.
Correct Answer: B — 10-100 micrometers
Q. What is the typical number of vascular bundles in a monocot stem?
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A.
1-5
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B.
5-10
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C.
10-20
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D.
20-30
Solution
Monocot stems typically have numerous vascular bundles, often ranging from 10 to 20.
Correct Answer: C — 10-20
Q. What percentage of a plant's biomass is typically made up of water?
-
A.
30%
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B.
50%
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C.
70%
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D.
90%
Solution
Approximately 70% of a plant's biomass is made up of water.
Correct Answer: C — 70%
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