Animal Kingdom

Consider following features: Select the correct option of animal groups which possess all the above characteristics

1. Arthropoda, Mollusca and Chordata
2. Annelida, Mollusca and Chordata
3. Annelida, Arthropoda and Chordata
4. Annelida, Arthropoda and Mollusca

Match the following organisms with their respective characteristics: Select the correct option from the following:

1. (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
2. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
3. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)

Which of the following animals does not undergo metamorphosis?

1. Tunicate
2. Starfish
3. Earthworm
4. Moth

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.

1. Amphibia
2. Osteichthyes
3. Reptilia
4. Aves

Which one of these animals is not a homeotherm?

1. Chelone
2. Macropus
3. Psittacula
4. Camelus

Important characteristic that hemichordates share with chordates is

1. ventral tubular nerve cord
2. pharynx with gill slits
3. pharynx without gill slits
4. absence of notochord

Which among these is the correct combination of aquatic mammals?

1. Dolphins, Seals, Trygon
2. Whales, Dolphins, Seals
3. Trygon, Whales, Seals
4. Seals, Dolphins, Sharks

In case of poriferans, the spongocoel is lined with flagellated cells called

1. oscula
2. choanocytes
3. mesenchymal cells
4. ostia

In case of poriferans, the spongocoel is lined with flagellated cells called

1. mesenchymal cells
2. oscula
3. ostia
4. choanocytes

Which of the following characteristic features always holds true for the corresponding group of animals?

1. Possess a mouth with an upper and a lower jaw – Chordata
2. 3-chambered heart with one incompletely divided ventricle – Reptilia
3. Cartilaginous endoskeleton – Chondrichthyes
4. Viviparous – Mammalia