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

The algae resembling the black carpet is

  1. staghorn algae

  2. black brush algae

  3. green spot algae

  4. green thread algae
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This algae resembles small tufts of black hairs, or a black carpet. It usually forms on slow-growing plants such as Anubias, but it can also grow on gravel.

Multiple choice

Which of the following has body type of ‘Tube within a tube’?

  1. Sea anemone

  2. Leech

  3. Ameoba

  4. Sycon

  5. All of these

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

Tube within-a tube-plan: This type of body plan is found in more complex animal groups. The animals with this body plan posses a digestive canal having two openings at the ends. The openings at the anterior end is mouth through which food enters the digestive canal, at the posterior end anus is present meant for ingestion of undigested waste matter. The digestive canal; is present inside the body cavity and hence, this body plan is termed as the tube within a tube.

Multiple choice

The major similarities between spirochete and spirillum are A. Presence of flagella for motility B. Cell with squiggle shape C. Pathogenic mode of habit D. Both have approximately same size E. Both belong to Order spirochetales

  1. A and D

  2. D and E

  3. B and E

  4. A, B, C and E
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statements A, B, C and E are correct (Presence of flagella for motility, a cell with squiggle shape, pathogenic mode of habit, both belong to Order spirochetales).All these statements show major similarities between spirochete and spirillum. 

Multiple choice

How is red-eyed frog adapted to the hot and humid climate?

  1. Has thick skin all over

  2. Has a long tongue

  3. Has sticky pads on its feet

  4. Has green colour

  5. Has vertically narrowed nose
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Red - eyed frog has developed sticky pads on its feet to help it climb trees on which it lives to protect itself from heat.

Multiple choice

How do birds protect themselves from the cold winters?

  1. They hibernate in their nests.

  2. They hide themselves in their feathers.

  3. They migrate to warmer regions.

  4. They protect themselves by staying in much closed groups.

  5. The mother bird hides her young ones under her big feathers.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Like other animals, birds too should remain warm in winters. So, they migrate to warmer regions, and come back when winter is over.

Multiple choice

Polar bears have certain physical adaptations that help them survive in their environment. Which of the following uses of white fur is incorrect?

  1. It is not easily visible in the white snowy background.

  2. It protects them from their predators.

  3. It helps them to catch their prey.

  4. It helps to keep themselves clean.

  5. It reflects the heat loss through skin.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The white fur is useful to keep themselves warm, hide in the white snow and be safe from prey, but it has nothing to do with cleanliness.