CBSE Class 11 Biology Animal Kingdom MCQs Set 04

Question: Ascaris larva is called
a) cysticercus
b) rhabditiform
c) hexacanth
d) onchosphere.
Answer: b

Question: The egg case in female cockroach is formed by secretion of
a) collaterial gland
b) mushroom gland
c) conglobate gland
d) prothoracic gland
Answer: a

Question: In contrast to annelids the platyhelminthes show
a) absence of body cavity
b) bilateral symmetry
c) radial symmetry
d) presence of pseudocoel.
Answer: a

Question: Which one of the following categories of animals, is correctly described with no single exception in it?
a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
b) All bony fishes have four pairs of gills and anoperculum on each side.
c) All sponges are marine and have collared cells.
d) All mammals are viviparous and possess diaphragm for breathing.
Answer: b

Question: Cleavage in mammals is
a) holoblastic equal
b) holoblastic unequal
c) superficial
d) discoidal.
Answer: b

Question: Which of the following is also called modified areolar tissue?
a) Dense connective tissue
b) Lymph
c) Ligaments
d) Adipose tissue
Answer: d

Question: Which of the following is an example of platyhelminthes?
a) Plasmodium
b) Schistosoma
c) Trypanosoma
d) Wuchereria
Answer: b

Question: Which is the example of platyhelminthes ?
a) Entamoeba
b) Plasmodium
c) Wuchereria
d) Schistosoma
Answer: d

Question: Which one of the following phyla is correctly matched with its two general characteristics?
a) Echinodermata – pentamerous radial symmetry and mostly internal fertilization
b) Mollusca – normally oviparous and development through a trochophore or veliger larva
c) Arthropoda – body divided into head, thorax and abdomen and respiration by tracheae
d) Chordata – notochord at some stage and separate anal and urinary openings to the outside.
Answer: c

Question: Pouched mammals are known as
a) prototherians
b) metatherians
c) eutherians
d) therians
Answer: b

Question: Most appropriate term to describe the life cycle of Obelia is
a) metamorphosis
b) neoteny
c) metagenesis
d) all of the options.
Answer: c

Question: Organ Pipe Coral is
a) Tubipora
b) Astraea
c) Helipora
d) Fungia.
Answer: a

Question: Antedon belongs to which of the following class?
a) Asteroidea
b) Ophiuroidea
c) Crinoidea
d) Echinoidea
Answer: c

Question: The organisms attached to the substratum, generally, possess
a) one single opening of the digestive canal
b) cilia on the surface to create water current
c) radial symmetry
d) asymmetrical body.
Answer: c

Question: Coelom is found between
a) body wall and ectoderm
b) ectoderm and endoderm
c) mesoderm and body wall (endoderm)
d) mesoderm and ectoderm.
Answer: c

Question: Which one of the following groups of animals reproduces only by sexual means?
a) Cnidaria
b) Porifera
c) Protozoa
d) Ctenophora
Answer: d

Question: Read the following statements.
A. Cartilage is present in between two parietal bones of skull.
B. In epithelium, cells are compactly arranged with little intercellular matrix.
C. The simple epithelium consist of a two or more layer of cells.
How many of the above statements are incorrect?
a) None
b) One
c)Two
d) All
Answer: c

Question:

a) A-Organ, B-Complete, C-Present, D-Absent
b) A-Organ system, B-Complete, C- Absent,D-Absent
c) A-Organ system, B-Incomplete, C- Absent,D-Present
d) A-Organ system, B-Incomplete, C- Present,D-Absent
Answer: b

Question: The figure four animals (a), (b), c) and (d). Select the incorrect answer with respect to a common characteristic of these animals:

a) Tapeworm- False segmentation, triploblastic
b) Aurelia-Polyp form, stinging capsules are present on body.
c) Octopus- Body is unsegmented
d) Prawn- They have jointed appendages
Answer: b

Question: Which of the following statements regarding coelenterates is/are wrong?
i. Cnidocytes are present on the tentacles and on the body.
ii. Diploblastic with the cellular level of organization.
iii. Polyp forms are free-swimming.
iv. Many exhibits metagenesis.
v. Polyps produce medusa sexually and medusa produce polyps sexually.
a) ii and iv only
b) iii and v only
c) ii, iii and v only
d) i, ii and iii only
Answer: c

Question: Which of the following statements are true for the Phylum Chordata?
A) In Urochordata, notochord extends from head to tail and it is present throughout their life.
B) In Vertebrata, notochord is present during the embryonic period only.
C) Central nervous system is dorsal and hollow.
D) Chordata is divided into 3 subphyla : Hemichordata, Tunicata and Cephalochordata.
a) (D) and (C)
b) (C) and (A)
c) (A) and (B)
d) (B) and (C)
Answer: d

Question: In the given table, each phylum is paired with a set of characters. Select the option with an incorrect set of information on about the given phyla of animals.
I. Echinodermeta P – Radula for feeding Q – Water vascular system
II. Aschelminthes R – Complete alimentary canal with muscular pharynx;S – Internal fertilization
III. Ctenophora T – Internal fertilization
U – Sexual reproduction only
a) R, S, T
b) P, T
c) P, S, T
d) P, Q, U
Answer: b