Biology · 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

All chordates at one or the other stage have :

  1. pharyngeal gill-slits

  2. vertebral column

  3. two pairs of pentadactyle limb

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

General characters of chordates are: (1)        Presence of pharyngeal gill slits at any stage of life. (2)        Presence of notochord at any stage of life.  (3)        Presence of dorsal tubular nerve cord.

Multiple choice

Ammoniotelic animal(s) is/are

  1. fish

  2. hydra

  3. salamander

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

Ammoniotelic animals include many aquatic invertebrates, bony fish, and larval amphibians, as they excrete ammonia directly into their water-rich environment.

Multiple choice

Which of the following conditions is necessary for living things?

  1. Movement by themselves

  2. Need food, air and water

  3. Respiration

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

Living things generally exhibit characteristics such as movement, respiration, and the need for nutrients (food, air, water). Since all listed options are standard biological characteristics, the correct choice is all of the above.