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

Which of the following is an example of an invasive alien species that poses a threat to biodiversity in India?

  1. Water Hyacinth

  2. Lantana Camara

  3. Parthenium Hysterophorus

  4. All of the Above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water Hyacinth, Lantana Camara, and Parthenium Hysterophorus are all examples of invasive alien species that have become a threat to biodiversity in India. They compete with native species for resources, disrupt ecosystems, and can cause economic losses.

Multiple choice

What is the term "taxonomy" derived from?

  1. Greek

  2. Latin

  3. Sanskrit

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

The term "taxonomy" is derived from the Greek words "taxis" (arrangement) and "nomos" (law). It refers to the science of classifying and naming organisms.

Multiple choice

Which of the following is NOT a major group of lichens?

  1. Crustose lichens

  2. Foliose lichens

  3. Fruticose lichens

  4. Squamulose lichens
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Squamulose lichens are not a recognized major group of lichens. The three main groups are crustose, foliose, and fruticose lichens.

Multiple choice

Which lichen species is commonly known as 'Old Man's Beard'?

  1. Usnea longissima

  2. Cladonia rangiferina

  3. Xanthoria parietina

  4. Lobaria pulmonaria
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Usnea longissima, also known as 'Old Man's Beard,' is a fruticose lichen characterized by its long, hair-like strands that hang from tree branches.

Multiple choice

Which lichen species is commonly known as 'Wolf Lichen'?

  1. Letharia vulpina

  2. Cladonia rangiferina

  3. Xanthoria parietina

  4. Lobaria pulmonaria
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Letharia vulpina, also known as 'Wolf Lichen,' is a foliose lichen characterized by its large, lobed thallus and bright yellow-orange color.

Multiple choice

Which lichen species is commonly known as 'Lungwort Lichen'?

  1. Lobaria pulmonaria

  2. Cladonia rangiferina

  3. Xanthoria parietina

  4. Parmelia sulcata
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lobaria pulmonaria, also known as 'Lungwort Lichen,' is a foliose lichen characterized by its large, lobed thallus and intricate patterns on its surface.

Multiple choice

Which lichen species is commonly known as 'Reindeer Lichen'?

  1. Cladonia rangiferina

  2. Xanthoria parietina

  3. Lobaria pulmonaria

  4. Parmelia sulcata
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cladonia rangiferina, also known as 'Reindeer Lichen,' is a fruticose lichen that serves as a primary food source for reindeer and caribou in Arctic and subarctic regions.

Multiple choice

What is the term used to describe the symbiotic relationship between coral and certain types of algae?

  1. Coral Bleaching

  2. Coral Spawning

  3. Coral Accretion

  4. Coral Symbiosis
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coral symbiosis refers to the mutually beneficial relationship between coral and certain types of algae, where the algae provide nutrients to the coral through photosynthesis, and the coral provides a protected environment for the algae.

Multiple choice

Which of the following is a type of Himalayan rhododendron?

  1. Rhododendron campanulatum

  2. Rhododendron arboreum

  3. Rhododendron falconeri

  4. Rhododendron nivale
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

All of the options are types of Himalayan rhododendrons.

Multiple choice

Which of the following is a type of Himalayan orchid?

  1. Cypripedium himalaicum

  2. Dendrobium densiflorum

  3. Habenaria edgeworthii

  4. Pleione bulbocodioides
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

All of the options are types of Himalayan orchids.

Multiple choice

Which of the following is a type of freshwater plant that is known for its ability to tolerate low light conditions?

  1. Watercress

  2. Hornwort

  3. Elodea

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

Hornwort is a submerged aquatic plant that is known for its ability to tolerate low light conditions. It is often found in ponds, lakes, and slow-moving rivers.

Multiple choice

Which of the following is a type of freshwater plant that is known for its ability to grow in shallow water or on mudflats?

  1. Cattail

  2. Bulrush

  3. Water Hyacinth

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

Cattail is a type of freshwater plant that is known for its ability to grow in shallow water or on mudflats. It is often found in marshes, swamps, and along the edges of ponds and lakes.

Multiple choice

Which of the following is a non-vascular plant?

  1. Fern

  2. Moss

  3. Pine

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

Mosses are non-vascular plants that lack specialized tissues for transporting water and nutrients. They absorb water and nutrients directly from the environment through their leaves and stems.

Multiple choice

Which of the following is an angiosperm?

  1. Fern

  2. Moss

  3. Pine

  4. Rose
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Angiosperms are seed plants that produce flowers and fruits. Roses are angiosperms that produce flowers and rose hips, which contain seeds.

Multiple choice

What is the largest group of plants on Earth?

  1. Angiosperms

  2. Gymnosperms

  3. Bryophytes

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

Angiosperms are the largest group of plants on Earth, with over 250,000 known species. They include flowering plants such as roses, sunflowers, and daisies.