CBSE Class 11 Biology - MCQ and Online Tests - Unit 4 - Animal Kingdom

CBSE Class 11 Biology – MCQ and Online Tests – Unit 4 – Animal Kingdom

Every year CBSE schools conducts Annual Assessment exams for 6,7,8,9,11th standards. These exams are very competitive to all the students. So our website provides online tests for all the 6,7,8,9,11th standard’s subjects. These tests are also very effective and useful for those who preparing for any competitive exams like Olympiad etc. It can boost their preparation level and confidence level by attempting these chapter wise online tests.

These online tests are based on latest CBSE syllabus. While attempting these our students can identify the weak lessons and continuously practice those lessons for attaining high marks. It also helps to revise the NCERT textbooks thoroughly.

 

CBSE Class 11 Biology – MCQ and Online Tests – Unit 4 – Animal Kingdom

Question 1.
Which one of the following is NOT a characteristic of phylum Annelida?
(a) Ventral nerve cord
(b) Closed circulatory system
(c) Segmentation
(d) Pseudocoelom

Answer

Answer: (d) Pseudocoelom

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Question 2.
______ are devoid of respiratory, excretory and circulatory organs.
(a) Threadworms
(b) Sponges
(c) Tapeworms
(d) Liver fluke

Answer

Answer: (b) Sponges

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Question 3.
Phylum that doesnt have a true coelom is
(a) Platyhelminthes
(b) Annelida
(c) Echinoderms
(d) Arthropoda

Answer

Answer: (a) Platyhelminthes

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Question 4.
Male mosquitoes usually feed on
(a) Garbage
(b) Human blood
(c) Flower sap
(d) All of the above

Answer

Answer: (c) Flower sap

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Question 5.
Turtles are
(a) Arthropods
(b) Pisces
(c) Reptiles
(d) Molluscs

Answer

Answer: (c) Reptiles

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Question 6.
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

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Question 7.
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.

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Question 8.
Who wrote the book Systema Naturae?
(a) Lamarck
(b) Darwin
(c) Wallace
(d) Linnaeus

Answer

Answer: (d) Linnaeus

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Question 9.
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

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Question 10.
Osteichthyes belongs to
(a) class amphibia
(b) super class pisces
(c) super class tetrapoda
(d) division agnatha

Answer

Answer: (b) super class pisces

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Question 11.
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

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Question 12.
Which one of the following phylum is characterized by absence of true coelom?
(a) Annelida
(b) Mollusca
(c) Echinodermata
(d) Nematoda

Answer

Answer: (d) Nematoda

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Question 13.
Which of the following is a pseudocoelomate?
(a) Platyhelminthes
(b) Aschelminthes
(c) Mollusca
(d) Hemi-chordates

Answer

Answer: (b) Aschelminthes
Explanation:
Aschelminthes is a pseudocoelomate.

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Question 14.
Which kind of symmetry occurs in sea anemone?
(a) Bilateral
(b) Radial
(c) Asymmetry
(d) None of these

Answer

Answer: (b) Radial

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Question 15.
Radula is found in
(a) Pila sp.
(b) Chiton sp.
(c) Lamellidens sp.
(d) Pinctada sp.

Answer

Answer: (a) Pila sp.

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Question 16.
Sharks, skates, and rays are also called ______ fishes.
(a) Jawless
(b) Bony
(c) Cartilaginous
(d) Freshwater

Answer

Answer: (c) Cartilaginous

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Question 17.
Bed Bugs contribute to the spread of
(a) Typhoid
(b) Yellow fever
(c) Typhus
(d) Trench fever

Answer

Answer: (c) Typhus

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Question 18.
Water-Vascular system is found in
(a) Sea-anemone
(b) Sea-pen
(c) Sea-cucumber
(d) Sea-horse

Answer

Answer: (c) Sea-cucumber

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Question 19.
Order Rhynchocephalia consists of
(a) Tuataras
(b) Lizards and snakes
(c) Turtles and tortoises
(d) Crocodiles, alligators, caimans

Answer

Answer: (a) Tuataras

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Question 20.
Fluke infections are diseases of the _______ in humans.
(a) Blood
(b) Bile
(c) Digestive tract
(d) Lungs

Answer

Answer: (c) Digestive tract

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