MEDIUM
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Read the following statements about the phylum Annelida. Identify the true and false statements and select the correct option after referring to the given table.

A. Annelids are diploblastic, metamerically segmented, coelomate animals.

B. Their neural system consists of paired ganglia connected by lateral nerves to a single ventral nerve cord.

C. They possess longitudinal and circular muscle fibers which help in locomotion.

D. Nephridia help them in osmoregulation and excretion.

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Important Questions on Animal Kingdom

EASY
In which one of the following phyla is the body segmented?
EASY
Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
EASY
Which of the following characteristics is mainly responsible for the diversification of insects on land?
EASY
Which one of the following living organisms completely lacks a cell wall?
MEDIUM
Match the following organisms with their respective characteristics:
  Column – I   Column – II
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules

Select the correct option from the following:
EASY
Match the type of cells given in Column I with organisms given in Column II. Choose the appropriate combination from the options below.
 
Column-I Column-II
P Flame cells i Sponges
Q Collar cells ii Hydra
R Stinging cells iii Planaria
EASY
Bilaterally symmetrical and acoelomate animals are exemplified by
EASY
Which of the following animals does not undergo metamorphosis?
EASY
Which of the following features is not present in the phylum Arthropoda?
EASY
Select the taxon that represents both marine and freshwater species.
MEDIUM
The following are the various external apertures in Pheretima
A) Male genital apertures
B) Spermathecal apertures
C) Nephridiopores
D) Female genital aperture
Arrange the apertures in a correct sequence from the anterior end to the posterior end
EASY
In the case of Poriferans, the spongocoel is lined with flagellated cells called
MEDIUM

Match the following columns and select the correct option.

  Column-I   Column-II
(a) Gregarious, polyphagous pest (i) Asterias
(b) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion
(c) Book lungs (iii) Ctenoplana
(d) Bioluminescence (iv) Locusta
EASY

Observe the following simplified scheme and choose the correct option that matches with the letters given in the boxes.

Question Image

EASY
All vertebrates are chordates but all chordates are not vertebrates, why?
EASY
The chitinous exoskeleton of arthropods is formed by the polymerization of:
EASY
Animals of this class in Annelida have definite number of segments.
EASY
Which of the following options does correctly represent the characteristic features of phylum Annelida?