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

Flowers are considered to be the best gift which suits any or every occasion. When choosing flowers, people consider the occasion as well as their relationship with the person to whom they are presenting the flowers. Commonly recognised flower associations include: Daffodil - truth, forgiveness, honesty Lily - unions, partnerships, long lasting relationships Rose - love, intelligence, passion Sunflower - good luck, wealth, ambition Tulip - opportunity, advancement, new beginnings Use the above information to answer the following question: For the inauguration of a new shop, the flowers chosen would most likely be

  1. lily and tulip

  2. daffodil and sunflower

  3. tulip and sunflower

  4. rose and lily
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tulip and sunflower both give qualities or factors that would be desirable on an inauguration of a new shop.

Multiple choice

Identify the CORRECT statements. P. Specialized parenchymatous cells with tannins and crystals of calcium oxalate are termed as sciereids. Q. The sieve elements of angiosperms are surrounded by companion cells and are essential component of phloem loading. R. The exudation of water by guttation occurs through trichomes. S. The bulliform cells control the unrolling and hygroscopic movement of grass leaves.

  1. P, Q

  2. P, R

  3. Q, S

  4. P, S
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice plant kingdom biology

Zoospores produced in Ectocarpus are?

  1. Motile

  2. Thick walled

  3. Pyriform
  4. Both $(1)$ and $(3)$
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice plant kingdom biology

The microsporangia of anther develop and become?

  1. Zoospores

  2. Pollen sacs

  3. Generative cell

  4. MMC
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice plant kingdom biology

The zygospore of Sporogyra after undergoing a rest germinates into a unicellular structure called ____________.

  1. Sporohyte plant

  2. Germ cell

  3. Germ tube

  4. Germ plant
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Spirogyra is a freshwater green alga. During its sexual cycle, the zygospore is formed which is considered as the only diploid phase in its life cycle. In favourable conditions, When zygospore burts and it is one haploid nucleus form germ tube.

The correct answer is C.

Multiple choice comma punctuation english

Cactus spines are produced from specialized structures called areoles, which are a kind of highly specialized branch.

  1. areoles;

  2. areoles -

  3. areoles

  4. NO CHANGE
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
The given sentence consists of two parts, the main clause and the non restrictive phrase that adds extra information about the noun phrase. As a general rule, a comma is used before 'which' when it introduces a non restrictive phrase. Thus, the correct answer must be Option D.
Option A - A semi colon is used between two independent clauses when the coordinating conjunction is omitted.
Option B - The en dash issued to represent a span or range of numbers, dates or time.

 
Multiple choice physics wave motion reflection of waves

Regarding open organ pipe, which of following is correct?

  1. Both ends are pressure antinodes

  2. Both ends are displacement nodes

  3. Both ends are pressure nodes

  4. Both (1)and (2)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Regarding open pipe both ends are pressure nodes.

So, option $C$ is correct.

Multiple choice

What is the national flower of India?

  1. A rose

  2. A daisy

  3. A lotus

  4. An ashoka
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The lotus flower is the national flower of India. It symbolizes purity and divinity in Indian culture.

Multiple choice

Why do boys have a bath with iris flowers on Kodomo no Hi?

  1. To keep bad luck away

  2. Because it makes the bathwater smell nice

  3. Iris flowers are used in bathwater all the time

  4. So the boys grow up tall and strong
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

On Children's Day, iris leaves are often added to baths because the plant is associated with strength and health, and the word for iris (shobu) sounds like the word for 'martial spirit' or 'striving for success'.