Class 11 Biology
Chapter-4 Animal kingdom
1.
Radula is found in
(a) Pila sp.
(b) Chiton sp.
(c) Lamellidens sp.
(d) Pinctada sp.
Answer
Answer: (a) Pila sp.
2.
Sharks, skates, and rays are also called ______ fishes.
(a) Jawless
(b) Bony
(c) Cartilaginous
(d) Freshwater
Answer
Answer: (c) Cartilaginous
,3.
Turtles are
(a) Arthropods
(b) Pisces
(c) Reptiles
(d) Molluscs
Answer
Answer: (c) Reptiles
4.
The clam nervous system is composed of
(a) labial palps
(b) one pair of ganglia
(c) two pairs of ganglia
(d) three pairs of ganglia
Answer
Answer: (d) three pairs of ganglia
5.
Choose the correct pair.
(a) Hippocampus – 3-chambered heart
(b) Rana – 2-chambered heart
,(c) Crocodilus – 4-chambered heart
(d) Pavo – 3-chambered heart
Answer
Answer: (c) Crocodilus – 4-chambered heart
Explanation:
Hippocampus (sea horse) belongs to class osteichthyes. It has 2-chambered heart (one auricle and one
ventricle).
Rana (frog) belongs to class amphibia. It has a 3-chambered heart (two auricles and one ventricle).
Crocodilus (crocodile) belongs to class reptilia. It is an exception in reptiles.
Pavo (peacock) belongs to class aves. It has 4-chambered heart.
6.
Who wrote the book Systema Naturae?
(a) Lamarck
(b) Darwin
(c) Wallace
(d) Linnaeus
Answer
Answer: (d) Linnaeus
7.
Which of the following statement is correct?
(a) Platypus lays eggs
(b) Camels have biconcave RBCs
, (c) Whales respire by gills
(d) Bats do not fly
Answer
Answer: (a) Platypus lays eggs
8.
Osteichthyes belongs to
(a) class amphibia
(b) super class pisces
(c) super class tetrapoda
(d) division agnatha
Answer
Answer: (b) super class pisces
9.
Which one of the following groups of animals is correctly matched with its one characteristic feature
without even a single exception?
(a) Mammalia : give birth to young ones
(b) Reptilia : possess 3-chambered heart with one incompletely divided ventricle
(c) Chordata : possess a mouth provided with an upper and a lower jaw
(d) Chondrichthyes : possess cartilaginous endoskeleton
Answer
Answer: (d) Chondrichthyes : possess cartilaginous endoskeleton
Chapter-4 Animal kingdom
1.
Radula is found in
(a) Pila sp.
(b) Chiton sp.
(c) Lamellidens sp.
(d) Pinctada sp.
Answer
Answer: (a) Pila sp.
2.
Sharks, skates, and rays are also called ______ fishes.
(a) Jawless
(b) Bony
(c) Cartilaginous
(d) Freshwater
Answer
Answer: (c) Cartilaginous
,3.
Turtles are
(a) Arthropods
(b) Pisces
(c) Reptiles
(d) Molluscs
Answer
Answer: (c) Reptiles
4.
The clam nervous system is composed of
(a) labial palps
(b) one pair of ganglia
(c) two pairs of ganglia
(d) three pairs of ganglia
Answer
Answer: (d) three pairs of ganglia
5.
Choose the correct pair.
(a) Hippocampus – 3-chambered heart
(b) Rana – 2-chambered heart
,(c) Crocodilus – 4-chambered heart
(d) Pavo – 3-chambered heart
Answer
Answer: (c) Crocodilus – 4-chambered heart
Explanation:
Hippocampus (sea horse) belongs to class osteichthyes. It has 2-chambered heart (one auricle and one
ventricle).
Rana (frog) belongs to class amphibia. It has a 3-chambered heart (two auricles and one ventricle).
Crocodilus (crocodile) belongs to class reptilia. It is an exception in reptiles.
Pavo (peacock) belongs to class aves. It has 4-chambered heart.
6.
Who wrote the book Systema Naturae?
(a) Lamarck
(b) Darwin
(c) Wallace
(d) Linnaeus
Answer
Answer: (d) Linnaeus
7.
Which of the following statement is correct?
(a) Platypus lays eggs
(b) Camels have biconcave RBCs
, (c) Whales respire by gills
(d) Bats do not fly
Answer
Answer: (a) Platypus lays eggs
8.
Osteichthyes belongs to
(a) class amphibia
(b) super class pisces
(c) super class tetrapoda
(d) division agnatha
Answer
Answer: (b) super class pisces
9.
Which one of the following groups of animals is correctly matched with its one characteristic feature
without even a single exception?
(a) Mammalia : give birth to young ones
(b) Reptilia : possess 3-chambered heart with one incompletely divided ventricle
(c) Chordata : possess a mouth provided with an upper and a lower jaw
(d) Chondrichthyes : possess cartilaginous endoskeleton
Answer
Answer: (d) Chondrichthyes : possess cartilaginous endoskeleton
