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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Ranunculus
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Datura
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Heterophylla
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Limnophylla
B
Correct answer
Explanation
Datura exhibits anisophylly.
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Apical buds
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Axillary bud
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No bud
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Accessory bud
C
Correct answer
Explanation
Leaflets never bear any bud in their axil.
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Mucronate
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Truncate
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Emarginate
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Cuspidate
B
Correct answer
Explanation
Leaf apex appears to be sharply cut in truncate type of leaf apex.
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Veins consist of xylem and phloem.
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Veins give mechanical strength to lamina.
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Vein is the connecting link of lamina with the branch or stem.
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Both (1) and (2)
D
Correct answer
Explanation
Veins give mechanical strength to lamina and consist of conducting tissues, i.e. xylem and phloem.
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Mango leaf
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Peepal leaf
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Banyan leaf
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Smilax leaf
C
Correct answer
Explanation
A banyan leaf has pulvinus leaf base, scaly stipule, ovate lamina, entire margin and obtuse apex.
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Roses
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Calophyllum
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Dioscorea
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Mango
B
Correct answer
Explanation
Calophyllum leaves have parallel venation. Calophyllum is a dicot plant, but it shows parallel venation.
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Imparipinnate
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Paripinnate
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Unipinnate compound
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Decompound
B
Correct answer
Explanation
A Unipinnate leaf with even number of leaflets is called Paripinnate leaf.
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Parallel Multicostate divergent
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Parallel Multicostate Convergent
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Reticulate Multicostate Convergent
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Reticulate Multicostate divergent
B
Correct answer
Explanation
The venation seen in grass, rice and bamboo is parallel Multicostate Convergent.
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Petunia alba
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Datura innoxia
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Dahlia
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Phaseolus vulgaris
B
Correct answer
Explanation
The first successful production of haploid plants via anther culture was reported by Guha and Maheshwari in 1964 using Datura innoxia.
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among the flowers
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very fragrant
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is
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Rose
B
Correct answer
Explanation
A subject complement follows a linking verb and describes the subject. 'Very fragrant' describes the subject 'Rose'.
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achene
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parthenocarpy
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nut
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samara
B
Correct answer
Explanation
Parthenocarpy is the natural or artificially induced production of fruit without fertilization of the ovules, resulting in seedless fruits.
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Capsule
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Siliqua
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Legume
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Follicle
C
Correct answer
Explanation
A legume (or pod) is a simple dry fruit that develops from a monocarpellary ovary and dehisces along both the ventral and dorsal sutures. It is characteristic of the Fabaceae family.
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Capsule
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Siliqua
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Legume
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Follicle
D
Correct answer
Explanation
A follicle is a dry dehiscent fruit that develops from a single carpel and opens along only one side (the ventral suture). This distinguishes it from a legume, which opens on two sides.
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Simple fleshy fruit
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Aggregate fruit
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Simple dry dehiscent fruit
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Composite or multiple fruit
B
Correct answer
Explanation
An aggregate fruit is formed from a single flower that has multiple, separate (apocarpous) pistils. Each pistil develops into a small fruitlet, and the collection is considered one aggregate fruit.
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etaerio
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epicarp
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siliqua
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capsule
A
Correct answer
Explanation
An etaerio is the specific botanical term for an aggregate fruit consisting of a cluster of fruitlets derived from the separate carpels of a single flower.