Biology

Plant Biology and Classification

1,473 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

Nostoc, a blue-green alga, occurs as an endophyte in ____.

  1. gunnena

  2. anthoceros

  3. cycas

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nostoc is a genus of cyanobacteria that forms symbiotic relationships with various plants. It is found in the coralloid roots of Cycas, the thallus of the liverwort Anthoceros, and the stems of Gunnera (misspelled as gunnena).

Multiple choice

Match the following:

 
a. Hydrophytes 1. They are the plants that live on land with sufficient water.
b. Mesophytes 2. They are the plants that live on land in dry climate having scarcity of water.
c. Xerophytes 3. They are the plants that live in water.

  1. a - 2, b - 1, c - 3

  2. a - 1, b - 3, c - 2

  3. a - 1, b - 2, c - 3

  4. a - 3, b - 2, c - 1

  5. a - 3, b - 1, c - 2
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. Hydrophytes are the plants that live in water. Mesophytes are the plants that live on land with sufficient water. Xerophytes are the plants that live on land in dry climate having scarcity of water.

Multiple choice

Directions: Ricky and his mother were walking in the garden near their house. He saw mushrooms growing on decaying leaves. He tried to uproot them for no reason. He was stopped by his mother instantly.

To which of the following kingdoms do mushrooms belong?

  1. Kingdom Plantae

  2. Kingdom Animalia

  3. Kingdom Fungi

  4. Kingdom Protista
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mushrooms belong to the Kingdom Fungi, which is distinct from Plantae (plants), Animalia (animals), and Protista. Fungi are characterized by their cell walls made of chitin and their heterotrophic mode of nutrition.

Multiple choice

Which of the following sets represents fruticose lichens only?

  1. Usnea, Cladonia, Alectoria

  2. Lecanora, Haematomma, Cladonia

  3. Parmelia, Collema, Peltigera

  4. Alectoria, Lecanora, Parmelia

  5. Cladonia, Collema, Usnea
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fruticose lichens are seen on the branches of trees hanging down. They are cylindrical, well-branched and pendent with hair-like outgrowths. They remain attached to the substratum by basal mucilagenous disc. Examples: Usnea, Cladonia and Alectoria.

Multiple choice

Which of the following is CORRECT sequence in taxonomic hierarchy?

  1. Class → species → order → family → division

  2. Division → class → order → family → species

  3. Division → order → class → family → species

  4. Species → class → order → division → family

  5. Class → order → species → division → family
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Yes, it is the correct answer. Correct sequence in taxonomic hierarchy is division → order → class → family → species.

Multiple choice

_____ is known as false foot.

  1. pseudoartistic

  2. pseudocarp

  3. pseudopodium

  4. pseudo branch
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A pseudopodium (false foot) is a temporary protrusion of the cytoplasm used by amoeboid cells for movement and feeding. The other options are unrelated terms or distractors.

Multiple choice

What is the correct hierarchy of taxonomic categories?

  1. Kingdom, class, phylum, family, order, species

  2. Kingdom, phylum, order, class, family, genus

  3. Kingdom, phylum, genus, class, species

  4. Kingdom, phylum, class, order, family, genus, species

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The standard taxonomic hierarchy from broadest to most specific is: Kingdom, Phylum, Class, Order, Family, Genus, Species.