Classification of Animals
ICSE Class 6 quiz covering the classification of animals into phyla and classes, including characteristics of vertebrates (Pisces, Amphibia, Reptilia, Aves, Mammalia) and invertebrates
Questions
Which of the following organisms are not parasites?
- Cockroaches and earthworms
- Hookworms and liverflukes
- Leeches and tapeworms
- Threadworms and roundworms
Which of the following organisms belong to class Arachnida and phylum Arthropoda?
- Spiders and crabs
- Lobsters and prawns
- Spiders and scorpions
- Shrimps and snails
To which phylum and class would a cold blooded animal that can live both in water and on land be classified?
- Phylum: Chordata and Class: Pisces
- Phylum: Invertebrata and Class: Reptilia
- Phylum: Chordata and Class: Amphibia
- Phylum: Arthropoda and Class: Arachnida
Which of the following statements is incorrect about Pisces?
- Their body is covered with scales.
- They breathe with the help of lungs.
- They have a streamlined body to swim.
- They are cold blooded animals.
To which class do dolphins and porpoises belong?
- Pisces
- Amphibia
- Reptilia
- Mammalia
Which of the following is not a characteristic feature of reptiles?
- Cold blooded
- Viviparopus
- Scaly body
- Breathe through lungs
To which class would an organism whose body is covered with feahers and have wings instead of forelimbs belong to?
- Pisces
- Amphibia
- Reptilia
- Aves
Which of the following is a cold-blooded animal?
- Alligator
- Whale
- Duck
- Human
Which of the following is not a characteristic feature of birds?
- Warm blooded
- Bones have air cavities
- Have small teeth
- Oviparous
Match the following organisms with their respective phylums.
| 1. Plasmodium | i. Arthropoda |
| 2. Leech | ii. Protozoa |
| 3. Octopus | iii. Mollusca |
| 4. Mosquito | iv. Annelida |
- 1 - (ii), 2 - (iv), 3 - (iii), 4 - (i)
- 1 - (i), 2 - (ii), 3 - (iv), 4 - (iii)
- 1 - (iv), 2 - (iii), 3 - (i), 4 - (ii)
- 1 - (iii), 2 - (i), 3 - (iv), 4 - (ii)
Why mammals and birds are called warm-blooded animals?
- Because their blood is warm.
- Because their body releases heat.
- Because their body maintains a particular temperature.
- Because their body absorbs heat from surroundings.
What are the respiratory organs of whales and seals?
- Skin
- Gills
- Lungs
- Spiracles
Why are gills present in fishes?
- To circulate blood
- To swim in water
- To respire in water
- To maintain body temperature
Why do fishes have a streamlined body?
- To respire in water
- To swim in water
- To lay eggs in water
- To maintain body temperature
To which class would an arthropod that has four pairs of legs belong?
- Insecta
- Arachnida
- Crustacea
- Reptilia
Which of the following statements correctly defines oviparious animals?
- Animals that lay eggs
- Animals that feed on eggs
- Animals that give birth to young ones
- Animals that have oval-shaped cells
The young organisms that initially survive on their mother's milk are classified under the class
- Aves
- Reptilia
- Amphibia
- Mammalia
Why are humans called 'vertebrates'?
- As they give birth to young ones.
- As they have a backbone.
- As they are warm blooded animals.
- As they have lungs to respire.
Why are earthworms called the friends of farmers?
- As they kill harmful pests.
- As they improve fertility of soil.
- As they protect the crops from natural disasters.
- As they provide strength to roots of the plants.
Match the following organisms with their respective classes.
| Organism | Class |
| 1. Salamander | i. Reptilia |
| 2. Lizard | ii. Aves |
| 3. Dinosour | iii. Amphibia |
| 4. Peacock | iv. Mamalia |
| 5. Seal | v. Pisces |
- 1 - iii, 2 - i, 3 - iv, 4 - ii, 5 - v
- 1 - iii, 2 & 3 - i, 4 - ii, 5 - iv
- 1 - i, 2 - iv, 3 - v, 4 - ii, 5 - iii
- 1 - i, 2 - iii, 3 & 4 - ii, 5 - v