Biology · Science General

Diversity in Living Organisms

3,829 Questions

The diversity in living organisms deals with the classification of life forms into various kingdoms and phyla. This topic covers specific traits of bacteria, animal body cavities, and structural adaptations for survival. These fundamentals are crucial for biology sections in medical entrance and state board exams.

Animal phyla characteristicsBacteria and flagellaBiological adaptationsKingdom Animalia classificationBody cavity typesExtinct organism subphylaJawless animals identification

Diversity in Living Organisms Questions

Multiple choice

Select the correct statement about lichens.

  1. Algal cells surrounds fungal mesh.

  2. Fungal mesh surrounds algal cells.

  3. Algal and fungal cells are intertwined.

  4. Alga is adhered to the bottom of the fungal cell.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In lichens, the fungal filaments surround the algal cells.

Multiple choice

Which of the following is not a feature of organisms of Kingdom Animalia?

  1. The organisms of this kingdom are multicellular.

  2. They depend directly or indirectly on plants for their food.

  3. The organisms of this kingdom have cell walls in their cells.

  4. Their mode of nutrition is holozoic.

  5. The organisms of this kingdom digest food in an internal cavity.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this is not a feature of organisms of Kingdom Animalia. 

Multiple choice

Which of the following is not a characteristic of kingdom Protista?

  1. Members of Protista are primarily aquatic.

  2. The Protistan cell body contains a well-defined nucleus.

  3. All single-celled eukaryotes are placed under Protista.

  4. Protists reproduce only asexually.

  5. Some have flagella or cilia.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as this is not a characteristic of kingdom Protista. 

Multiple choice

Match the following:

a. Amoeboid protozoans 1. They are either free-living or parasitic, having flagella.
b. Flagellated protozoans 2. They live in fresh water, sea water or moist soil.
c. Ciliated protozoans 3. They are aquatic and actively moving organisms as they possess thousands of cilia.

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

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

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

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

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

Amoeboid protozoans live in fresh water, sea water or moist soil. Flagellated protozoans are either free-living or parasitic, having flagella. Ciliated protozoans are aquatic and actively moving organisms as they possess thousands of cilia.

Multiple choice

Which of the following is not a characteristic of bacteria?

  1. Many of the bacteria live in or on other organisms as parasites.

  2. Bacteria live in extreme habitats, such as hot springs, deserts, snow and deep oceans.

  3. Bacteria occur almost everywhere.

  4. Their cell wall is made up of cellulose.

  5. They are the most abundant microorganisms.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Their cell wall is non-cellulosic, and is made of peptidoglycan.

Multiple choice

Which of the following is not a characteristic of Kingdom Monera?

  1. The organisms in Kingdom Monera are prokaryotic.

  2. The cell wall is non-cellulosic.

  3. Nuclear membrane is present.

  4. The body organisation is cellular.

  5. The modes of nutrition are autotrophic and heterotrophic.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this is not a characteristic of Kingdom Monera.