Sunday, 26 September 2021

Animal Kingdom Class 11 MCQs Questions with Answers

Animal Kingdom Class 11 MCQs Questions with Answers

Question 1.

Radula is found in

(a) Pila sp.

(b) Chiton sp.

(c) Lamellidens sp.

(d) Pinctada sp.

Answer

Answer: (a) Pila sp.

 

Question 2.

Sharks, skates, and rays are also called ______ fishes.

(a) Jawless

(b) Bony

(c) Cartilaginous

(d) Freshwater

Answer

Answer: (c) Cartilaginous

 

Question 3.

Turtles are

(a) Arthropods

(b) Pisces

(c) Reptiles

(d) Molluscs

Answer

Answer: (c) Reptiles

 

Question 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

 

Question 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.

 

Question 6.

Who wrote the book Systema Naturae?

(a) Lamarck

(b) Darwin

(c) Wallace

(d) Linnaeus

Answer

Answer: (d) Linnaeus

 

Question 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

 

Question 8.

Osteichthyes belongs to

(a) class amphibia

(b) super class pisces

(c) super class tetrapoda

(d) division agnatha

Answer

Answer: (b) super class pisces

 

Question 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

 

Question 10.

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 11.

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 12.

Which kind of symmetry occurs in sea anemone?

(a) Bilateral

(b) Radial

(c) Asymmetry

(d) None of these

Answer

Answer: (b) Radial

 

Question 13.

Phylum that doesnt have a true coelom is

(a) Platyhelminthes

(b) Annelida

(c) Echinoderms

(d) Arthropoda

Answer

Answer: (a) Platyhelminthes

 

Question 14.

Male mosquitoes usually feed on

(a) Garbage

(b) Human blood

(c) Flower sap

(d) All of the above

Answer

Answer: (c) Flower sap

 

Question 15.

Bed Bugs contribute to the spread of

(a) Typhoid

(b) Yellow fever

(c) Typhus

(d) Trench fever

Answer

Answer: (c) Typhus

 

Question 16.

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 17.

______ are devoid of respiratory, excretory and circulatory organs.

(a) Threadworms

(b) Sponges

(c) Tapeworms

(d) Liver fluke

Answer

Answer: (b) Sponges

 

Question 18.

Fluke infections are diseases of the _______ in humans.

(a) Blood

(b) Bile

(c) Digestive tract

(d) Lungs

Answer

Answer: (c) Digestive tract

 

Question 19.

Water-Vascular system is found in

(a) Sea-anemone

(b) Sea-pen

(c) Sea-cucumber

(d) Sea-horse

Answer

Answer: (c) Sea-cucumber

 

Question 20.

Order Rhynchocephalia consists of

(a) Tuataras

(b) Lizards and snakes

(c) Turtles and tortoises

(d) Crocodiles, alligators, caimans

Answer

Answer: (a) Tuataras