Animal Kingdom Class 11 MCQs Questions with Answers
Question 1.
Two common characters found in centipede, cockroach and crab are:
(a) Jointed legs and chitinous exoskeleton
(b) Green gland and tracheae
(c) Book lungs and antennae
(d) Compound eyes and anal cerci
Answer
Answer: (a) Jointed legs and chitinous exoskeleton
Question 2.
Number of excretory pores in Ascaris is-
(a) 6
(b) 1
(c) 3
(d) 5
Answer
Answer: (b) 1
Question 3.
In Ascaris tufted epithelium occurs in
(a) Intestine
(b) Body wall
(c) Uterus
(d) Pineal sac
Answer
Answer: (c) Uterus
Question 4.
The lips of Ascaris are-
(a) Bony
(b) Smooth
(c) Cartilagenous
(d) Denticulate
Answer
Answer: (d) Denticulate
Question 5.
Chenopodium oil destroys:
(a) Adult Ascaris
(b) Larva
(c) Eggs
(d) Toxins
Answer
Answer: (a) Adult Ascaris
Question 6.
One of the following is a very unique feature of the mammalian body:
(a) Homeothermy
(b) Presence of diaphragm
(c) Four chambered heart
(d) Rib cage
Answer
Answer: (b) Presence of diaphragm
Question 7.
Ascaris male is:
(a) Didelphic
(b) Monodelphic
(c) Polydelphic
(d) None of the Above
Answer
Answer: (d) None of the Above
Question 8.
Which one of the following phyla is correctly matched with its two general characteristics?
(a) Arthropoda – Body divided into head, thorax and abdomen and respiration by tracheae
(b) Chordata – Notochord at some stage and separate anal and urinary openings to the outside
(c) Echinodermata – Pentamerous radial symmetry and mostly internal fertilization
(d) Mollusca – Normally oviparous and development through a trochophore or veliger larva
Answer
Answer: (d) Mollusca – Normally oviparous and development through a trochophore or veliger larva
Question 9.
Externally male Ascaris can be differentiated from female Ascaris by-
(a) 5 pairs of postanal papillae
(b) 50 pairs of papillae
(c) Pineal setae
(d) All of the above
Answer
Answer: (d) All of the above
Question 10.
Ascaris is characterized by
(a) absence of true coelom but presence of metamerism
(b) presence of neither true coelom nor metamerism
(c) presence of true coelom but absence of metamerism
(d) presence of true coelom and metamerism (metamerisation)
Answer
Answer: (b) presence of neither true coelom nor metamerism
Question 11.
Binary fission in Amoeba occurs
(a) When environment is favourable
(b) Food is abundant
(c) Temperature is suitable
(d) Food abundant and temperature is suitable
Answer
Answer: (a) When environment is favourable
Question 12.
Cinchona bark is used to form
(a) Pyrantal palmate
(b) Quinine
(c) Antipar
(d) All of the above
Answer
Answer: (b) Quinine
Question 13.
Mosquito (Anopheles) is
(a) Exogenous host for Plasmodium
(b) Endogenous host for Plasmodium
(c) Initial host
(d) None of the above
Answer
Answer: (a) Exogenous host for Plasmodium
Question 14.
Ascaris is monogenetic. It means it has:
(a) One host
(b) Three hosts
(c) Two hosts
(d) None of the above
Answer
Answer: (a) One host
Question 15.
The number of longitudinal streaks in the body of Ascaris is-
(a) Two
(b) Six
(c) Four
(d) Three
Answer
Answer: (c) Four
Question 16.
Which blood vessel carry larva of Ascaris in lungs:
(a) Pulmonary vein
(b) Hepatic vein
(c) Carotid artery
(d) Pulmonary artery
Answer
Answer: (d) Pulmonary artery
Question 17.
One of the following are not formed in mosquito
(a) Sporozoites
(b) Ookinetes
(c) Oocystes
(d) Merozoites
Answer
Answer: (d) Merozoites
Question 18.
Male Anopheles can not spread malaria as
(a) Mandible are present but feed upon plant sap
(b) Mandibles are present and feed upon blood
(c) Mandibles are absent and feed upon blood
(d) Mandibles are absent & feed upon plant sap
Answer
Answer: (a) Mandible are present but feed upon plant sap
Question 19.
Which of the following is a parasite
(a) Amoeba proteus
(b) Entamoeba histolytica
(c) Musca domestica
(d) Hydra oligactis
Answer
Answer: (b) Entamoeba histolytica
Question 20.
Plasmodium is transmitted by
(a) Inoculation
(b) Contamination
(c) Contagination
(d) All of the Above
Answer
Answer: (b) Contamination
Question 21.
Number of lips during embryo stage in Ascaris
(a) 3
(b) 2
(c) 6
(d) 1
Answer
Answer: (c) 6
Question 22.
Who has coined the phylum name ‘Protozoa’?
(a) Robert Grant
(b) Goldfuss
(c) Gegenbaur
(d) Lamarck
Answer
Answer: (b) Goldfuss
Question 23.
Poikilothermic host in Plasmodium life cycle
(a) Man
(b) Anopheles
(c) Bed bug
(d) Cockroach
Answer
Answer: (b) Anopheles
Question 24.
Cuticle, as in Ascaris, is an adaptation for:
(a) Parasitism
(b) Growth
(c) Reproduction
(d) Locomotion
Answer
Answer: (a) Parasitism
Question 25.
Roundworms differ from flatworm in having a:
(a) Pseudocoel
(b) Dorsal nerve cord
(c) Circulatory system
(d) Circular muscle layer
Answer
Answer: (a) Pseudocoel
Question 26.
No. of rectal glands in male and female Ascaris respectively
(a) 6 and 3
(b) 3 and 6
(c) 4 and 2
(d) absent
Answer
Answer: (a) 6 and 3
Question 27.
Zygote of Plasmodium is
(a) Isogamous
(b) Anisogamous
(c) Agamous
(d) None of the Above
Answer
Answer: (b) Anisogamous
Question 28.
Excretory canals of Ascaris with regard to origin are:
(a) Extra cellular
(b) Inter cellular
(c) Intra cellular
(d) A cellular
Answer
Answer: (c) Intra cellular
Question 29.
Due to contraction in radial muscles the diameter of pharyngeal cavity
(a) Decreases
(b) Increases
(c) First increases then decreases
(d) First decreases then increases
Answer
Answer: (b) Increases
Question 30.
A fresh water Amoeba respires by means of
(a) Gills
(b) Food Vacuole
(c) Plasmalemma
(d) Contractile vacuole
Answer
Question 31.
Pernicious malaria is
(a) Vivax malaria
(b) Relapse malaria
(c) Tertian malaria
(d) Malignant malaria
Answer
Answer: (d) Malignant malaria
Question 32.
Which one of the following groups of animals is bilaterally symmetrical and triploblastic?
(a) Aschelminthes (round worms)
(b) Ctenophores
(c) Sponges
(d) Coelenterates (Cnidarians)
Answer
Answer: (a) Aschelminthes (round worms)
Question 33.
The excretory product of Ascaris is:
(a) Urea
(b) Ammonia
(c) Both A and B
(d) None
Answer
Answer: (a) Urea
Question 34.
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
(a) Annelida
(b) Mollusca
(c) Cnidaria
(d) Echinodermata
Answer
Answer: (d) Echinodermata
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