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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intercalary meristem tissues
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apical meristem tissues
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parenchyma tissues
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collenchyma tissues
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sclerenchyma tissues
B
Correct answer
Explanation
Yes, it is the correct answer. Specific regions of apical meristem produce dermal tissues, ground tissues and vascular tissues.
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Epidermis and endodermis
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Peripheral and central
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Xylem and phloem
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Vascular cambium and cork cambium
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None of these
D
Correct answer
Explanation
Vascular cambium and cork cambium are involved in secondary growth.
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It is made of elongated compact cells.
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Cuticle is present in stem and root.
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Stoma is found in this layer.
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Its cells bear hair.
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It is the outermost layer.
B
Correct answer
Explanation
Yes, it is the correct answer as this is a false statement.
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Mesogamy
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Porogamy
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Chalazogamy
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Apogamy
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None of these
B
Correct answer
Explanation
Pollen tube enters into the ovule through the micropyle. This entry is known as Porogamy.
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The male gamete
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The female gamete
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The microspore mother cell
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The partially developed embryo
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The partially developed male gametophyte
E
Correct answer
Explanation
A pollen grain is a partially developed male gametophyte.
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A shield - shaped cotyledon
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A protective covering of the radicle
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A protective covering of the plumule
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An endosperm
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A microspore mother cell
A
Correct answer
Explanation
The scutellum represents a shield - shaped cotyledon in a maize grain.
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Ovule - Egg
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Pollen grain - Sperm
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Seed - zygote
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Embryo sac - female gametophyte
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Ovary - gametophyte
D
Correct answer
Explanation
This pair is correctly matched. Embryo sac is the female gametophyte.
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Within the root apex
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Between the two cotyledons
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Around the suspensor
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In the endosperm
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Within the shoot apex
B
Correct answer
Explanation
The shoot apical meristem in a dicot embryo is located between the two cotyledons.
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Secondary nucleus
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Antipodal cells
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Egg cells
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Synergids
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Integuments
E
Correct answer
Explanation
The seed coat develops from inner and outer integuments after fertilization.
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provides nutrition
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provides protection
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helps in respiration
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provides mechanical support
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helps in dehiscence
A
Correct answer
Explanation
Tapetum is the inner-most layer of the anther wall. It provides nutrition.
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Ripened ovule
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Matured integuments
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Seed plus its integuments
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Ripened ovary
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Fused carpel
D
Correct answer
Explanation
A fruit is a ripened ovary.
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Undersurface of leaf
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Root hair
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Flowers
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Older stem
D
Correct answer
Explanation
Lenticels are special openings that develop in older stem.
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Stigma
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Ovary
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Style
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Anther
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Pollen tube
B
Correct answer
Explanation
The fertilization of the egg occurs in the ovary.
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Vallisneria
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Kigelia
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Salvia
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Maize
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Coccinia
D
Correct answer
Explanation
Maize bears anemophilous flower.
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Both divide meiotically
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Both divide mitotically
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Both produce pollen grains
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Both produce embryo sacs
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Produce pollen grains and embryo sacs respectively
A
Correct answer
Explanation
The mega-spore mother cell and micro-spore mother cell, both divide meiotically.