Biology

Plant Biology and Classification

1,796 Questions

Plant Biology and Classification deals with the taxonomy, evolution, and morphological features of the plant kingdom. This collection offers practice questions on plant groups, taxonomic hierarchies, and specific plant characteristics. The questions are tailored for students preparing for biology competitive exams.

Plant taxonomyPteridophytesAngiospermsPlant morphologyAlgae and bryophytesClassification systems

Plant Biology and Classification Questions

Multiple choice

Which of the following is a group of brown algae?

  1. Volvox, Chlamydomonas, Chara

  2. Laminaria, Fucus, Dictyota

  3. Fucus, Chlamydomonas, Polysiphonia

  4. Dictyota, Porphyra, Chara

  5. Volvox, Porphyra, Polysiphonia
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Laminaria, Fucus, Dictyota: All are brown algae.

Multiple choice

A set of members of phaeophyceae is

  1. Volvox, Ulothrix, Spirogyra and Chara

  2. Dictyota, Laminaria, Sargassum and Fucus

  3. Chlamydomonas, Ectocarpus, Gelidium and Volvox

  4. Polysiphonia, Porphyra, Gracilaria and Gelidium

  5. Chara, Laminaria, Sargassum and Gelidium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Dictyota, Laminaria, Sargassum and Fucus: All are members of phaeophyceae.

Multiple choice

Placentation in leguminosae is

  1. Marginal placentation

  2. Axile placentation

  3. Parietal placentation

  4. Basal placentation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ovules  are borne on the margins of the wall.

Multiple choice

What are oxylophytes?

  1. Plants which grow on rocks.

  2. Plants that grow on sand.

  3. Plants that grow on waste land.

  4. Plants that grow in saline soils.

  5. Plants that grow under acidic conditions.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

These are called as oxylophytes.

Multiple choice

What are helophytes?

  1. These are amphibious plants

  2. Free floating

  3. Submerged plants

  4. Fixed floating

  5. Plants that grow under salty marshes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heophytes are the amphibious plants.

Multiple choice

Marchantia is an example of

  1. thallophytes

  2. bryophytes

  3. pteridophytes

  4. gymnosperms
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marchantia is an example of bryophytes. These are simple plants without roots or vascular system.  

Multiple choice

Marchantia is an example of

  1. thallophytes

  2. bryophytes

  3. pteridophytes

  4. gymnosperms
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marchantia is an example of bryophytes. These are simple plants without roots or vascular system.  

Multiple choice

Marchantia is an example of

  1. thallophytes

  2. bryophytes

  3. pteridophytes

  4. gymnosperms
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Marchantia is an example of bryophytes. These are simple plants without roots or vascular system.  

Multiple choice

Dominant stage of bryophyta is

  1. sporophytic

  2. gametophytic

  3. both 1 and 2

  4. None of the above

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

Dominanat stage in Bryophytes is gametophytic or haploid(n) .The main plant body is mostly haploid .Diploid stage is present in the form of zygote.