Animal Kingdom

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

Which one of the following characteristics is not shared by birds and mammals?

1. Viviparity
2. Warm blooded nature
3. Ossified endoskeleton
4. Breathing using lungs