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

Which of the following is not a characteristic feature of Hemichordates?

  1. Body is bilaterally symmetrical.

  2. The organisms respire through gill slits.

  3. The organisms are aquatic.

  4. Notochord is limited to anterior region of body.

  5. Body is divided into proboscis, collar and trunk.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hemichordates are marine worm-like animals found in muddy water in coastal areas.

Multiple choice

Which of the following is not a characteristic feature of aves?

  1. Endothermic

  2. Four chambered heart

  3. Absence of teeth

  4. Soft and moist body

  5. Hollow bones

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

Amphibians have moist body due to the presence of mucus glands. However, aves are endothermic animals. They have feathers and scales covering their bodies.

Multiple choice

Which of the following is not a characteristic of phylum Coelenterata?

  1. Body with no head and no segmentation.

  2. Body plan is triploblastic.

  3. Body is radially symmetrical.

  4. Skeleton is slimy, horny and made up of lime.

  5. Mouth is surrounded by a ring of tentacles.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coelenterates are the animals with a diploblastic body plan and are radially symmetrical.