Phylum Aschelminthes

Q. Select the correct difference between a male and a female Ascaris worm.

	Male Ascaris	Female Ascaris
i.	Longer than female	Shorter than male
ii.	Posterior end is curved	Posterior end is straight
iii.	Cloaca absent	Cloaca is present

1. ii and iii only
2. i and ii only
3. ii only
4. iii only

Q.

The excretory organs in Aschelminthes and Platyhelminthes, respectively, is

1. Flame cells and Nephrons
2. Renette cells and Nephrons
3. Flame cells and Renette cells
4. Renette cells and Flame cells

Q.

In which phylum are flame cells present?

Q. First phylum to have complete digestive tract can be represented by:

1. Taenia
2. Ancylostoma
3. Hydra
4. Pheretima

Q.

What is the function of Protonephridia?

Q. Ascaris is characterized by :

1. Presence of true coelom but absence of metamerism
2. Absence of true coelom but presence of metamerism
3. Presence of true coelom and metamerism
4. Presence of neither true coelom nor metamerism

Q.

Which one of the following kinds of animals are Triploblastic?

1. Sponges

2. Flatworms

3. Ctenophores

4. Corals

Q.

Which Disease Is Caused By Worms?

Q. Which one of the following statements about certain given animals is correct?

1. Round worms (Aschelminthes) are pseudo coelomates
2. Molluscs are acoelomates
3. Flatworms (Platyhelminthes) are coelomates
4. Insects are pseudocoelomates

Q. Which one of the following phyla is correctly matched with its two general characteristics?

1. Echinodermata–pentamerous radial symmetry and mostly internal fertilization
2. Mollusca–normally oviparous and development through a trochophore or veliger larva
3. Arthropoda–body divided into head, thorax and abdomen and respiration by mouth
4. Chordata–notochord persists throughout and separate anal and urinary openings to the outside
   

Q. Polyspermy is common in

1. frog
2. man
3. birds
4. sea-urchin

Q.

Match the following genus names of roundworms to their respective common names:
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ \text{p. Wuchereria}& \text{i. Round worm}\\ \text{q. Ascaris}& \text{ii. Filarial worm}\\ \text{r. Ancylostoma}& \text{iii. Hook worm}\end{array}$

1. Ascaris – round worm

2. Ancylostoma – pin worm

3. Taenia – tape worm

4. Wuchereria – filarial worm

Q. Which of the following term is correct for the given figure?

1. Pseudocoelom
2. Acoelom
3. Enterocoelom
4. None of these

Q. Wuchereria bancrofti is

1. a Platyhelminthes
2. the filarial worm
3. a sponge
4. a flatworm

Q. Aschelminthes are because male and female reproductive organs are present in separate individuals.

1. monoecious
2. dioecious
3. hermaphrodites
4. bisexual

Q. Which one of the following phylums consists of animals that are bilaterally symmetrical and triploblastic?

1. Aschelminthes (Roundworms)
2. Sponges
3. Ctenophores
4. Coelenterates (Cnidarians)

Q.

Which of the following are true about Phylum Aschelminthes?

1. 1, 2 & 4

2. 1, 2 & 3

3. 2, 3 & 4

4. All

Q.

Diploblastic, aquatic animals with tissue grade of organization belong to the phylum

1. Protozoa

2. Porifera

3. Cnidaria

4. Helminthes

Q. Choose the free living round worm from the following:

1. Ascaris
2. Ancylostoma
3. Wuchereria
4. Caenorhabditis

Q. Liverworts are:

1. Members of Musci
2. Members of Anthocerotae
3. Members of Bryophyta
4. Members of Hepaticae

Q.

Draw the diagram of liver fluke.

Q.

Members of which of the following phyla are bilaterally symmetrical and triploblastic?

1. Aschelminthes

2. ctenophores

3. sponges

4. coelenterates

Q.

Are aschelminthes segmented?

Q. Vivipary in endoparasites is exhibited by

1. Trichenella
2. Ascaris
3. Planaria
4. Liverfluke

Q. Match the diseases with their causative organisms: Disease Organism

A.	African eye worm disease	I.	Wuchereria bancrofti
B.	Elephantiasis	II.	Enterobius vermicularis
C.	Pinworm infection	III.	Dracunculus medinensis
D.	Guinea worm disease	IV.	Loa loa

1. A-IV, B-I, C-II, D-III
2. A-I, B-II, C-III, D-IV
3. A-IV, B-III, C-II, D-I
4. A-I, B-III, C-II, D-IV

Q.

Ascaris lumbricoides lives in the intestine of:

1. Sheep and Goat

2. Monkey

3. Homo sapiens

4. Pig

Q. Excretory organs of Earthworm are

1. Coelom
2. Nephridia
3. Flame cells
4. Gizzard

Q.

Give the zoological name of round worm.

Q. Ascaris is characterized by the

1. presence of true coelom and metamerism
2. presence of metamerism only
3. presence of neither true coelom nor metamerism
4. presence of true coelom but an absence of metamerism

Q. How do female Ascaris differ from male Ascaris?

1. Function
2. Lifespan
3. Width
4. Size