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Biology Class 11 Chapter 10 - Kingdom Animalia - Part 3
1.
Which of the following is a feature of series deuterostomia:
a) Mouth arises from blastopore or anterior margin.
b) Mesoderm is derived from wall of developing gut.
c) Cleavage of zygote is spiral and determinate.
d) Coelom is formed due to splitting of mesoderm.
2.
Which of the following is a unisexual group:
a) Porifera
b) Annelida
c) Nematoda
d) Platyhelminthes
3.
Nematocysts
a) Umbrella like sexually reproducing individuals
b) Stinging cells
c) Excretion
d) Corals
4.
Which of the following is not a sub-phylum of phylum chordate:
a) Cephalochordata
b) Hemichordata
c) Craniata
d) Urochordata
5.
The adaptive character which hepls the fish to live in water is:
a) Non-paired appendages
b) External fertilization
c) Stream-lined body
d) Ventral suctorial mouth
6.
Which of the following are called as sponges:
a) Coelentrata
b) Porifera
c) Nematoda
d) Protozoa
7.
Sense organs of nematods are called as ___________ .
a) Protoctista
b) Porifera
c) Papillae
d) Parazoa
8.
Insects have ____________ pairs of legs.
a) 9
b) 5
c) 3
d) 7
9.
The shell of sponges is composed of:
a) Silica
b) Chitin
c) Both A & C
d) Calcium carbonate
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