Biology · 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

Gynobasic style is found in

  1. Ocimum sanctum

  2. Allium

  3. Aristideae

  4. Poa

  5. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Gynobasic style is found in Ocimum sanctum.

Multiple choice

Which of the following statements is not correct?

  1. Cortex and pith are not distinct in monocot stem.

  2. Phellogen is a lateral meristem.

  3. Scattered vascular bundles are characteristic feature of dicot stem.

  4. In dicot roots vascular bundles are radial.

  5. In monocotyledons root cambium is absent.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct because in a dicot stem vascular bundles are conjoint, collateral and open. Scattered vascular bundles are characteristic feature of monocot stem.

Multiple choice

Assertion: Apical meristem is made up of a single cell called apical cell whose activity leads to the formation of the entire body of plant. Reason: Apical cells situated at root tip and shoot tip are responsible for growth of root and stem.

  1. A and R both are correct and R is correct explanation of A.

  2. A and R both are correct and R is not correct explanation of A.

  3. A is correct and R is incorrect.

  4. A is incorrect and R is correct.

  5. A and R both are incorrect.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This option is correct because apical meristem is an undifferentiated tissue at the tip (apex) of shoots and roots formed of meristematic cells and are responsible for growth of root and stem.

Multiple choice

Assertion (A): Monocotyledonous plants have no secondary growth. Reason (R): Secondary growth takes place by the activity of cambium and cork cambium.

  1. A and R both are correct and R is correct explanation of A.

  2. A and R both are correct and R is not correct explanation of A.

  3. A is correct and R is incorrect.

  4. A is incorrect and R is correct.

  5. A and R both are incorrect.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Yes, monocotyledonous plants have no secondary growth. Secondary growth takes place by the activity of cambium and cork cambium.