Biology ยท Science General

Botany and Plant Science

4,989 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

Multiple choice

An inflorescence is a cluster of flowers arranged on a stem that is composed of a main branch with the arrangement of several branches. The inflorescence stops growing in ______________.

  1. solitary cyme

  2. simple cyme

  3. hypanthodium

  4. cyathium

  5. spikelet

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Here the growth of the peduncle is definite because it terminates in a flower. Below this flower, two branches develop laterally in the axis of opposite bracts. These branches also end in flowers. There is no further growth of the inflorescence.

Multiple choice

More than one embryo occurs in

  1. citrus

  2. mirabilis

  3. hibiscus

  4. bacteria

  5. -
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Polyembryony is the phenomenon of two or more embryos developing from a single fertilised egg.

Multiple choice

Pollen grain is a

  1. megaspore

  2. microspore

  3. microsporophyll

  4. microsporangium

  5. -
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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Multiple choice

The stalk of ovule is called

  1. pedicel

  2. petiole

  3. placenta

  4. funicle

  5. -
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

It is a filamentous stalk attaching a seed or ovule to the placenta.