1. Which of the following is true for Arthropoda?
a) Development may be direct or indirect.
b) Open circulatory system.
c) Excretion takes place by green gland, coxal gland and Malpighian tubules.
d) All of these
Explanation: All of these
2. Select from the following the total number of useful insects.
Apis, Bombyx, Laccifer, Anopheles, Culex, Aedes, Prawn, Scorpion, Locust, Limulus.
a) 3
b) 4
c) 6
d) 5
Explanation: 3
3. Select from the following the total number of organism that belongs to phylum arthropoda.
Locust, Butterfly, Scorpion, Prawn, Salpa, doliolums, Pila, Chiton, Antedon, Hyla, Myxine,
Locust, Loligo, Culex, Cucumaria, Cuttle fish.
a) 4
b) 6
c) 8
d) 12
Explanation: 6
4. Select the living fossil from the following:
a) Culex
b) Silkworm
c) Lac insect
d) Limulus
Explanation: Limulus
5. Following mosquitoes used as vector for various diseases:
a) Culex
b) Anopheles
c) Aedes
d) All of these
Explanation: All of these
6. Other name of limulus is
a) Laccifer
b) Locust
c) King crab
d) Gregarious pest
Explanation: Other name of limulus is King crab
7. Which of the following is a gregarious pest?
a) Laccifer
b) Locusta
c) King crab
d) Both (a) and (b)
Explanation: Locusta is a gregarious pest.
8. Match the following:
Column I Column II
A. Locusta – 1. Apis
B. Honey bee – 2. Locust
C. Silkworm – 3. Bombyx
D. Lac insect – 4. Laccifer
a) A–4, B–1, C–3, D–4
b) A–2, B− 1, C–4, D–3
c) A–2, B–1, C–3, D–4
d) A–4, B–3, C–1, D–4
Explanation: A–2, B–1, C–3, D–4
9. Which of the following belongs to arthropods?
a) Peripatus and crab
b) Prawn and scorpion
c) Centipede and cockroach
d) All of these
Explanation: All of these
10. Animals with soft body, bilateral symmetry, triploblastic and unsegmented, usually protected
by a shell made up of calcium carbonate belongs to phylum _____
a) Porifera
b) Echinodermata
c) Mollusca
d) Arthropoda
Explanation: Mollusca
11. The mouth which has file-like rasping organ for feeding called radula is found in
a) Mollusca
b) Hemichordata
c) Echinodermata
d) Arthropoda
Explanation: Mollusca
12. The body of ___ is unsegmented with a distinct head, muscular foot and visceral mass
a) Asterias
b) Ophiura
c) Balanoglossus
d) Devil fish
Explanation: The body of devil fish is unsegmented with a distinct head, muscular foot and visceral mass
13. A. A soft and spongy layer of skin forms a _(i)_ over the visceral hump.
B. A _(ii)_ cavity containing _(iii)_ like gills.
C. The anterior head region has sensory _(iv)_.
Fill in the blanks in the above respective places about mollusca.
a) Mantle, Mantle, Comb, Papilla
b) Mantle, Mesoglea, Feather, Papilla
c) Mantle, Mantle, Feather, Tentacles
d) Mantle, Mantle, Comb, Tentacles
Explanation: Mantle, Mantle, Feather, Tentacles
14. Which of the following is true about reproduction in mollusca?
(1) Mostly dioecious
(2) Oviparous
(3) Mainly indirect development
(4) Fertilization is external or internal
a) All except (4)
b) All except (3)
c) All except (2)
d) All of these
Explanation: All of these
15. Which of the following is not a fish?
a) Devil fish
b) Cuttle fish
c) Jelly fish
d) All of these
Explanation: All of these
16. Match the following:
Column I Column II
A. Pila – 1. Tusk shell
B. Chiton – 2. Apple snail
C. Dentalium – 3. Cuttle fish
D. Sepia – 4. Chaetopleura
a) A–2, B–1, C–4, D–3
b) A–2, B–4, C–1, D–3
c) A–4, B–2, C–3, D–1
d) A–4, B–3, C–2, D–1
Explanation: A–2, B–4, C–1, D–3
17. Devil fish is called
a) Pearl oyster
b) Tusk shell
c) Sepia
d) Octopus
Explanation: Devil fish is called Octopus
18. Majority of mollusca are
a) Aquatic
b) Terrestrial
c) Aerial
d) Any of the above
Explanation: Majority of mollusca are Aquatic.
19. Select the total number of organism from the following which are mollusca:
Pila, Pinctada, Sepia, Loligo, Aplysia, Echinus, Antedon, Salpa, Bufo, Chelone, Neophron,
Pteropus, Elephas, Pavo
a) 7
b) 6
c) 5
d) 9
Explanation: 5
20. Mantle cavity is a site of
a) Excretion
b) Respiration
c) Both (a) and (b)
d) None of these
Explanation: Both (a) and (b)