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

Which of the following is a primary meristem?

  1. Intercalary meristem

  2. Vascular cambium

  3. Cork cambium

  4. Lateral meristem

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

The meristem which, lies between the regions of permanent tissues, is called intercalary meristem.This is a primary meristem because its cells continue to divide to produce new cells and add to the length of the plant or its organ.

Multiple choice

Companion cells are found in

  1. xylem

  2. phloem

  3. both xylem and phloem

  4. parenchyma

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

Companion cells are found in phloem

Multiple choice

Which of the following plant cells show totipotency?

  1. Cork cells

  2. Bast fibres

  3. Sieve tubes

  4. Xylem vessels

  5. Meristem
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Totipotency is the capability of developing into a complete organism or differentiating into any of its cells or tissues. Meristem tissue has the ability to divide and grow.

Multiple choice

Many chloroplasts are found in

  1. palisade tissue

  2. spongy tissue

  3. sclereids

  4. xylem

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

Palisade mesophyll tissue of parenchyma is adapted for photosynthesis, so large number of chloroplasts are found in it.

Multiple choice

Which of the following is not true about ‘sclereids’?

  1. These are groups of living cells.

  2. These are found in nut shells, guava pulp and pear.

  3. These are also called stone cells.

  4. These are form of sclerenchyma with fibres.

  5. These provide protection/support.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sclereids are a type of sclerenchyma cells. These are dead cells and do not perform any metabolic functions.

Multiple choice

Which of the following statements is not true about the primary plant growth?

  1. Only woody plants show primary growth.

  2. Primary growth increases the length of the plant.

  3. The ground meristem is a primary meristem that produces ground tissues.

  4. The procambium is a primary meristem that produces primary vascular tissues.

  5. The protoderm is a primary meristem that produces the more mature dermal tissue.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

No, it is not true because all plants show primary growth. Primary growth is the growth that occurs as a result of cell division at the tips of stems and roots, and gives rise to primary tissue.