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

Eutherians are characterized by

  1. I-t skin

  2. True placentation

  3. Ovoviviparity

  4. Glandular skin
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The placenta (also known as afterbirth) is an organ that connects the developing fetus to the uterine wall to allow nutrient uptake, waste elimination, and gas exchange via the mother's blood supply, fight against internal infection and produce hormones to support pregnancy.

Multiple choice

A snake possesses

  1. no eyelids

  2. movable eyelids

  3. immovable eyelids

  4. nictitating membrane only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Eyelids are absent in snakes.

Multiple choice

Proterospongia is

  1. Unicellular zooflagellate

  2. Colonial zooflagellate

  3. Sarcodine

  4. Incipient colonial ciliate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Proterospongia is a genus of single-celled aquatic organisms which form colonies. It belongs to the choanoflagellate class of the protist kingdom — the protist class considered the closest living relatives of the animals

Multiple choice

Which of the following statements is incorrect?

  1. Fungi and algae may live in colonies.

  2. Some microorganisms grow on other organisms.

  3. Some fungi can be multi-cellular also.

  4. Some fungi can be seen with magnifying glass.

  5. Viruses multiply in animal cells only.
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Viruses can multiply in bacterial, plant or animal cells.

Multiple choice

Metaboly is characteristic of

  1. Amoebids

  2. Heliozoans

  3. Euglenoids

  4. Dinoflagellates
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The ability of some cells, esp. protozoans, to alter their shape