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

Which of the following do(es) not exhibit all the characteristics of living things?

a. A fire in a forest that spreads from tree to tree b. A virus that travels and infects many people c. A bird that migrates in the winter months

  1. Only a

  2. Only b

  3. Only c

  4. Both a and b

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

This is the correct answer. Viruses today are thought of as being in a gray area between living and nonliving: they cannot replicate on their own

Multiple choice

Cephaleuros viresiens is a/an

  1. fungus

  2. algae

  3. bacteria

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

Cephaleuros virescens is a parasitic green algae which causes red rust of tea and coffee. Cephaleuros belongs to class Chlorophyceae, order Chaetophorales and family. Threntepholiaceae.

Multiple choice

Which of the following lacks DNA?

  1. Chloroplast

  2. TMV

  3. Mitochondria

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

Tobacco mosaic virus (TMV) is a positive-sense single stranded RNA virus that infects a wide range of plants, especially tobacco and other members of the family Solanaceae.

Multiple choice

Camouflage is a kind of adaptation in organisms to decieve others by merging its colour with that of its surroundings. Which of the following parts of an animal assists in camouflaging?

  1. Ears

  2. Tail

  3. Skin

  4. Limbs

  5. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct answer. Skin helps in camouflaging. The patterns on the skin of the tiger helps it hide in the grass, from where it can catch its prey. The colour of the camel helps it camouflage itself in the desert sands. The colour of the fur of the polar bear helps it camouflage in the snow.

Multiple choice

Parenchymal circulation is present in which of the following?

  1. Amoeba

  2. Fasciola

  3. Ascaris

  4. Sponges

  5. Amphioxus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Coelom is absent in fasciola. Circulation occurs in space between internal walls. Its body contains a special tissue called parenchyma, which encloses a network of fluid filled spaces.

Multiple choice

Wheel animalcules are included in

  1. Ectoprocta

  2. Entoprocta

  3. Acanthocephala

  4. Rotifera
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rotifera is a phylum of microscopic aquatic invertebrates, the wheel animalcules-widely distributed usually in fresh water.

Multiple choice

The body form of glass sponges is

  1. leuconoid

  2. asconoid

  3. syconoid

  4. asconoid and syconoid
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 Glass sponges have leuconoid body form in which the interior is almost filled with mesohyl containing a network of chambers.