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

Multiple choice

On germinating each pollen grain produces

  1. One male gamete

  2. Two male gametes

  3. Three male gametes

  4. Four male gametes

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Pollen grain produces two male gametes one male gamete fertilises with female gamete present in ovary and other male gamete fertilises with two polar nuclei present in ovary

Multiple choice

In flower the male organ is

  1. Stamen

  2. Carpel

  3. Sepal

  4. Petal

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

Stamen contains anther which have pollen grains i,e. male gametes

Multiple choice
  1. Bryophyllum can multiply by

  1. Leaves

  2. Aerial stems

  3. Underground stems

  4. Roots

  5. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The leaves bear buds in the marginal notches. As the leaf comes in contact with the soil, the buds sprout to form new plants

Multiple choice

The root zone which is responsible for mineral absorption is called

  1. zone of elongation

  2. root hair zone

  3. zone of maturation

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Root hair forms an important surface over which plants absorb most of their water and nutrients. They are found only in the zone of maturation and not in the zone of elongation.

Multiple choice

Which of these statements reflects a contrast between two flowers?

  1. This tulip is as colourful as a rose.

  2. This tulip does not smell as bad as a daffodil.

  3. This tulip turns towards light just like sunflower.

  4. This tulip is grown in bunches, like a lotus.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It clearly shows difference between the properties of the two flowers.