Biology · Science General
Botany and Plant Science
5,038 Questions
Botany and plant science delve into the biological study of plant life, covering structural anatomy, physiological processes, and reproductive mechanisms. Key topics include inflorescence patterns, root modifications, and seed development, which are vital for biology sections in medical entrance exams. This collection of practice questions helps solidify understanding of complex plant functions.
Plant ReproductionPlant AnatomyRoot ModificationsInflorescence PatternsPlant Morphology
Botany and Plant Science Questions
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fasciculated roots
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adventitious roots
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tap roots
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branched roots
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buttress roots
B
Correct answer
Explanation
The prop roots are the adventitious roots.
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dichogamy
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herkogamy
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heterostyly
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cleistogamy
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homostyly
B
Correct answer
Explanation
If pollen grains of an anther fail to pollinate stigma of the same flower because of a barrier, it is referred as herkogamy.
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fruit
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inflorescence
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seed
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tissue
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cell
B
Correct answer
Explanation
Cyathium is a type of inflorescence.
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underground stem
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fleshy leaves
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root
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rhizome
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phylloclade
B
Correct answer
Explanation
In onions, the underground swollen edible portions are fleshy leaves.
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stem
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root
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leaves
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petiole
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bud
B
Correct answer
Explanation
Food in sweet potato is stored in root.
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Xylem
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Phloem
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Collenchyma
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Sclerenchyma
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Parenchyma
C
Correct answer
Explanation
The cells of collenchyma are thickened at the corners. These tissue gives strength to the part in which it is present.
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Apical meristem
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Lateral meristem
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Ground tissue
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Parenchyma tissue
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Vascular tissue
A
Correct answer
Explanation
These cells divide rapidly and continuously and are present at the apices of roots, shoots and leaves.
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Intercalary meristem
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Vascular cambium
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Cork cambium
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Lateral meristem
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Arenchyma
A
Correct answer
Explanation
The meristem which, lies between the regions of permanent tissues, is called intercalary meristem.This is a primary meristem because its cells continue to divide to produce new cells and add to the length of the plant or its organ.
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xylem
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phloem
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both xylem and phloem
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parenchyma
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collenchyma
B
Correct answer
Explanation
Companion cells are found in phloem
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Chlorenchyma tissue
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Parenchyma tissue
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Sclerenchyma tissue
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Collenchyma tissue
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Meristematic tissue
D
Correct answer
Explanation
The inner wall of collenchymatous cells shows the deposition of pectin.
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Cork cells
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Bast fibres
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Sieve tubes
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Xylem vessels
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Meristem
E
Correct answer
Explanation
Totipotency is the capability of developing into a complete organism or differentiating into any of its cells or tissues. Meristem tissue has the ability to divide and grow.
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Tracheids
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Sieve tubes
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Companion cells
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Phloem fibres
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Xylem parenchyma
C
Correct answer
Explanation
Companion cells are absent in the phloem of pteridophytes and gymnosperms, while present in the phloem of angiosperms.
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Palisade parenchyma
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Spongy parenchyma
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Secretory parenchyma
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Epidermal parenchyma
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Storage parenchyma
D
Correct answer
Explanation
Epidermal parenchyma cells constitute the protective layer of epidermis, which protect plants from infection and drying out.
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palisade tissue
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spongy tissue
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sclereids
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xylem
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phloem
A
Correct answer
Explanation
Palisade mesophyll tissue of parenchyma is adapted for photosynthesis, so large number of chloroplasts are found in it.
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These are groups of living cells.
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These are found in nut shells, guava pulp and pear.
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These are also called stone cells.
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These are form of sclerenchyma with fibres.
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These provide protection/support.
A
Correct answer
Explanation
Sclereids are a type of sclerenchyma cells. These are dead cells and do not perform any metabolic functions.