Match Column - I with Column - II and choose the correct option
Column - I Column - II
a.A vector of disease (i) Bombyx
b.A gregarious pest (ii) Limulus
c.A living fossil (iii) Locusta
d.An economically (iv) Culex insect
important
1. a(iii), b(ii), c(i), d(iv)
2. a(i), b(ii), c(iii), d(iv)
3. a(ii), b(iv), c(iii), d(i)
4. a(iv), b(iii), c(ii), d(i)
Chitinous exoskeleton is present in
(1) Mollusca
(2) Echinodermata
(3) Arthropoda
(4) Porifera
Which of the following is the member of the largest phylum
1.Hookworm
2.Pinworm
3.Earthworm
4.Silkworm
Which of the group of animals is triploblastic, coelomate and bilateral?
(1) Aschelminthes
(2) Porifera
(3) Arthropoda
(4) Ctenophora
Chitin is a polysaccharide found in the exoskeleton of
(1) prawn
(2) insects
(3) crabs
(4) all of these
Which one of the following features is common in silverfish, scorpion, dragonfly and prawn?
(1) Two pairs of legs and segmented body
(2) Living chitinous cuticle and two pairs of antennae
(3) Jointed appendages and chitinous exoskeleton
(4) Closed blood circular system
Match each item in Column I with one item in Column II regarding and choose your answer from the codes given below :
Column I |
Column II |
||
I. |
Nereis |
1. |
Gills |
II. |
Prawn |
2. |
Parapodia |
III. |
Earthworm |
3. |
Skin |
IV. |
Cockroach |
4. |
Trachea |
I |
II |
III |
IV |
|
1. |
1 |
2 |
3 |
4 |
2. |
2 |
1 |
4 |
3 |
3. |
2 |
1 |
3 |
4 |
4. |
1 |
2 |
4 |
3 |
Select the option that correctly matches characteristic features with the group of three animals.
(1) Skeleton of spicules − Sycon, Adamsia, Spongilla
(2) Excretion by flame − Taenia, Fasciola, Ancylostoma
(3) Mouth contains radula − Dentalium, Octopus, Ophiura
(4) Jointed appendages − Limulus, Apis, Laccifer
Which of the following features is not present in the phylum – Arthropoda?
(1) Metameric segmentation
(2) Parapodia
(3) Jointed appendages
(4) Chitinous exoskeleton
Which of the following is not an arthropod characteristic?
1. Jointed appendages
2. Non-segmented bodies
3. Periodic moulting
4. Articulated exoskeleton