Biology ยท Science General

Diversity in Living Organisms

3,323 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

Warm-blooded animals can ____________.

  1. change their body temperature according to the surroundings

  2. not reproduce

  3. live without oxygen

  4. not change their body temperature according to the surroundings

  5. survive without food
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Warm-blooded animals can change their body temperature according to the surroundings.

Multiple choice

Which of the following animals have gills?

  1. Desert animals

  2. Aquatic animals

  3. Animals living in forests

  4. Animals living in grasslands

  5. Animals living in mountain regions
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Gills are present in aquatic animals in place of lungs, it helps in the breathing process in the presence of water.

Multiple choice

Cold-blooded animals are those who

  1. cannot change their body temperature according to the change in environment

  2. cannot produce their young ones

  3. can prepare their own food

  4. require carbon dioxide for breathing

  5. cannot live on terrestrial regions
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cold-blooded animals are those who cannot change their body temperature according to the change in environment.

Multiple choice

Spnages, warms, molluscs are the examples of

  1. plants

  2. vertebrates

  3. invertebrates

  4. all of these

  5. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sponges, worms, and molluscs all lack a vertebral column, placing them in the invertebrate category. Invertebrates constitute the vast majority of animal species.

Multiple choice

Cnidarians and arthropods are the examples of

  1. vertebrates

  2. invertebrates

  3. plants

  4. all of these

  5. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cnidarians (jellyfish, corals) and arthropods (insects, spiders) both lack a backbone or vertebral column, making them invertebrates. They belong to different invertebrate phyla.

Multiple choice

Insects, arachnids, crustaceans, myrapods are the types of

  1. Molluscs

  2. Arthropods

  3. Sponges

  4. Warms

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Insects (six legs), arachnids (eight legs), crustaceans (varied), and myriapods (many legs) are all classes within the Arthropoda phylum, united by jointed legs and exoskeletons.

Multiple choice

Which of the following is also known as Nematothelminthes?

  1. Thread worms

  2. Hookeworms

  3. Roundworm

  4. Leeches

  5. Annelids
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Nemathelminthes (or Nemathelmintha) is an older taxonomic name for the phylum containing roundworms (nematodes). The term refers to their thread-like appearance.

Multiple choice

Which of the following is an Echinoderm?

  1. Sea cucumber

  2. Jelly fish

  3. Octopus

  4. Annelid

  5. Millipede
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sea cucumbers are echinoderms, belonging to the same phylum as sea stars and sea urchins. They share the characteristic radial symmetry (often appearing bilateral due to adaptation) and water vascular system of echinoderms. Jelly fish are cnidarians, octopuses are molluscs, annelids are segmented worms, and millipedes are arthropods.