Animal Kingdom — Page 2 | NEET Biology

Q11

Sound box of birds is called

A pygostyle

B larynx

C syrinx

D synsacrum

Correct Answer

Option C

Solution

(c) Sound box or syrinx is present below trachea which produces sound in birds.

Q12

An egg laying mammal is

A Kangaroo

B Platypus

C Koala

D Whale

Correct Answer

Option B

Solution

(b) Prototherians are egg laying mammals. Platypus is one of the five species of monotremes.

Q13

What is common between Ostrich, Penguin and Kiwi?

A Running birds

B Migratory birds

C Flightless birds

D Four toed birds

Correct Answer

Option C

Solution

(c) Ostrich, Kiwi, Penguin are all flightless birds.

Q14

Which one of the following animals possesses nerve cells but no nerves?

A Hydra

B Tapeworm

C Earthworm

D Frog tadpole

Correct Answer

Option A

Solution

(a) Nerve cells are present in the form of network of neurons in Hydra but the brain and nerves are absent.

Q15

Tracheae of cockroach and mammal are similar in having

A paired nature

B noncollapsible walls

C ciliated inner lining

D origin from head

Correct Answer

Option B

Solution

(b) Tracheal tube of cockroach and human have non-collapsible wall lined with cuticle.

Q16

What is common among silverfish, scorpion, crab and honey bee?

A Compound eyes

B Poison gland

C Jointed legs

D Metamorphosis

Correct Answer

Option C

Solution

(c) Silver fish, scorpion, crab and honey bee all belong to phylum Arthropoda characterized by jointed appendages.

Q17

Which of the following animals is not viviparous?

A Elephant

B Platypus

C Whale

D Flying fox (Bat)

Correct Answer

Option B

Solution

(b) Platypus is an oviparous egg laying animal. It belongs to class-mammalia.

Q18

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

A Ossified endoskeleton

B Breathing using lungs

C Viviparity

D Warm blooded nature

Correct Answer

Option C

Solution

(c) All mammals except the monotremes are viviparous. Birds are oviparous.

Q19

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

A Cartilaginous endoskeleton - Chondrichthyes

B Viviparous - Mammalia

C Possess a mouth with upper and lower jaw - Chordata

D 3-chambered heart with one incompletely divided ventricle - Reptilia

Correct Answer

Option A

Solution

(a) Chondrichthyes always have cartilaginous endoskeleton.

Q20

Which among these is the correct combination of aquatic mammals?

A Dolphins, Seals, Trygon

B Whales, Dolphins, Seals

C Trygon, Whales, Seals

D Seals, Dolphins, Sharks

Correct Answer

Option B

Solution

(b) Sharks and Trygon are cartilaginous fish while Whale, Dolphin and Seals are aquatic mammals.