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
Question 2.
______ are devoid of respiratory, excretory and circulatory organs.
(a) Threadworms
(b) Sponges
(c) Tapeworms
(d) Liver fluke
Answer
Answer: (b) Sponges
Question 3.
Phylum that doesnt have a true coelom is
(a) Platyhelminthes
(b) Annelida
(c) Echinoderms
(d) Arthropoda
Answer
Answer: (a) Platyhelminthes
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
Question 5.
Turtles are
(a) Arthropods
(b) Pisces
(c) Reptiles
(d) Molluscs
Answer
Answer: (c) Reptiles
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
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.
Question 8.
Who wrote the book Systema Naturae?
(a) Lamarck
(b) Darwin
(c) Wallace
(d) Linnaeus
Answer
Answer: (d) Linnaeus
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
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
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
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
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.
Question 14.
Which kind of symmetry occurs in sea anemone?
(a) Bilateral
(b) Radial
(c) Asymmetry
(d) None of these
Answer
Answer: (b) Radial
Question 15.
Radula is found in
(a) Pila sp.
(b) Chiton sp.
(c) Lamellidens sp.
(d) Pinctada sp.
Answer
Answer: (a) Pila sp.
Question 16.
Sharks, skates, and rays are also called ______ fishes.
(a) Jawless
(b) Bony
(c) Cartilaginous
(d) Freshwater
Answer
Answer: (c) Cartilaginous
Question 17.
Bed Bugs contribute to the spread of
(a) Typhoid
(b) Yellow fever
(c) Typhus
(d) Trench fever
Answer
Answer: (c) Typhus
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
Question 19.
Order Rhynchocephalia consists of
(a) Tuataras
(b) Lizards and snakes
(c) Turtles and tortoises
(d) Crocodiles, alligators, caimans
Answer
Answer: (a) Tuataras
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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