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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Leguminosae
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Poaceae
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Solanaceae
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Cucurbitaceae
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None of these
B
Correct answer
Explanation
Sheathing leaf base with inflorescence, usually spike of spikelets is found in poaceae.
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Hibiscus
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Pumpkin
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Rose
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Date palm
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None of these
B
Correct answer
Explanation
Pumpkin has male and female flowers borne on the same plant.
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Cucurbita
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Hibiscus
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Date palm
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Cycas
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None of these
B
Correct answer
Explanation
Hibiscus has male and female sex organs in the same flower.
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Leguminosae
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Malvaceae
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Compositae
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Brassicaceae
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None of these
A
Correct answer
Explanation
Monocarpellary pistil with marginal placentation is found in leguminosae.
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solanaceae
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leguminosae
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graminae
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malvaceae
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none of these
B
Correct answer
Explanation
One chambered ovary with ovules borns on the placenta developing along the ventral suture is found in leguminosae.
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Its fruit is a cypsela.
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It shows head inflorescence.
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It has hypogynous flowers.
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It has syngenesious anthers.
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All of the above
C
Correct answer
Explanation
Hypogynous flowers are those having the stamens and other floral parts situated below the carpels (or gynoecium). This is not a condition in compositae family.
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the posterior carpel turns to the left and anterior to the right
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the posterior and anterior carpels turn to the left
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the carpels turn by 180 degrees
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the posterior carpel turns to the right and anterior to the left
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none of these
A
Correct answer
Explanation
The ovary in solanum is oblique because the posterior carpel turns to the left and anterior to the right.
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the posterior and the anterior carpels move to the left
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the posterior carpels turns to the left and anterior to the right
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the posterior and anterior carpels turn by 180 degrees
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the posterior carpels turn to the right and the anterior to the left
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none of these
D
Correct answer
Explanation
The carpels of solanum flower are oblique because the posterior carpels turn to the right and the anterior to the left.
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Malvaceae
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Cucurbitaceae
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Leguminosae
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Cruciferae
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None of these
A
Correct answer
Explanation
Malvaceae have anthers with two microsporangia.
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Xylem
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Tracheids
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Collenchyma
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Phloem
D
Correct answer
Explanation
Phloem is the vascular tissue responsible for transporting sugars and organic nutrients (photosynthates) from leaves to storage organs and growing parts. Xylem transports water and minerals upward. Tracheids are xylem cells for water transport, and collenchyma provides structural support.
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(i) and (ii)
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(ii) and (iii)
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(i) and (iv)
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(ii) and (iv)
C
Correct answer
Explanation
Xylem and phloem constitute the vascular system of plants.
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Petals
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Sepals
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Androecium
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Gynoecium
B
Correct answer
Explanation
Calyx is formed by Sepals.
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Androecium
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Gynoecium
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Corolla
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Calyx
C
Correct answer
Explanation
Corolla is formed by petals
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Anther
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Filament
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Style
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Stigma
A
Correct answer
Explanation
Anther is the pollen bearing structure of flower as it produces thousands of pollen grains, which give rise to the male gametes.
C
Correct answer
Explanation
Stamen is a part of androecium of flower.