1. The neural system consists of paired ganglia connected by lateral nerve to a double ventral
nerve cord present in
a) Fasciola
b) Ancylostoma
c) Nereis
d) Taenia
Explanation: Nereis
2. Which of the following are monoecious?
Ascaris, Wuchereria, Ancylostoma, Neries, Pheretima, Hirudinaria
a) 3
b) 2
c) 1
d) 4
Explanation: 2
3. The first true coelomates are
a) Nereis
b) Centipede
c) Crab
d) Wuchereria
Explanation: Nereis
4. The following features belong to which of the following phylum?
(1) Triploblastic
(2) Bilateral symmetry
(3) Eucoelomate
(4) Metamerism
a) Mollusca
b) Aschelminthes
c) Platyhelminthes
d) Annelida
Explanation: Annelida
5. Which of the following is correct about parapodia?
a) They are longitudinal muscles which help in locomotion.
b) They are circular muscles which help in locomotion
c) It helps in swimming
d) It is the dorsal appendages of nereis.
Explanation: It helps in swimming
6. Which of the following is the largest phylum?
a) Mollusca
b) Echinodermata
c) Arthropoda
d) Annelida
Explanation: Arthropoda is the largest phylum.
7. How many species named on earth is arthropoda?
a) \[\frac{1}{2}\]
b) \[\frac{2}{3}\]
c) \[\frac{1}{4}\]
d) \[\frac{3}{4}\]
Explanation: \[\frac{2}{3}\] species
8. In which of the following phylum the body is generally divided into head, thorax and abdomen?
a) Mollusca
b) Echinodermata
c) Arthropoda
d) Annelida
Explanation: Arthropoda
9.Which of the following phylum shows segmentation?
a) Annelida
b) Arthropoda
c) Both (a) and (b)
d) Platyhelminthes
Explanation: Both (a) and (b)
10. The following features are seen in which of the below options?
(1) Exoskeleton of chitin
(2) Malpighian tubules as excretory organ
(3) Tracheal system for respiration
(4) Three pair of legs in thoracic region
a) Limulus
b) Prawn
c) Spider
d) Cockroach
Explanation: Cockroach