Match items in column-I with those in column-II and choose the correct option.
Column-I Column-II
a. Annelids  (i) Triploblastic acoelomate
b. Platyhelminths      (ii) Ciliated comb plates
c.   Aschelminths (iii) Metamerism
d. Ctenophores          (iv) Pseudocoelomates

1. a(i), b(ii), c(iv), d(iii)
2. a(iii), b(i), c(iv), d(ii)
3. a(ii), b(iv), c(i), d(iii)
4. a(iv), b(ii), c(iii), d(i)
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida |
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Match the following
 

List-I List-II
(a) Physalia i. Pearl oyster
(b) Limulus ii. Portuguese Man of War
(c) Ancylostoma iii. Living fossil
(d) Pinctada iv. Hookworm


Choose the correct answer from the options given below:

Options: (a) (b) (c) (d)
1. ii iii iv i
2. i iv iii ii
3. ii iii i iv
4. iv i iii ii
Subtopic:  Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda | Phylum Mollusca |
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Read the following statements.

(a) Metagenesis is observed in Helminths.
(b) Echinoderms are triploblastic and coelomate animals.
(c) Round worms have organ-system level of body organization.
(d) Comb plates present in ctenophores help in digestion.
(e) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below:

1. (a), (d) and (e) are correct

2. (b), (c) and (e) are correct

3. (c), (d) and (e) are correct

4. (a), (b) and (c) are correct

Subtopic:  Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Echinodermata |
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Match column-I with column-II and select the correct option 
Column-I Column-II
a. Euspongia (i) Liver fluke
b. Fasciola (ii) Bath sponge
c. Ophiura (iii) Hagfish 
d. Myxine (iv) Brittle star
 
a b c d
1. (i) (ii) (iii) (iv)
2. (ii) (iv) (iii) (i)
3. (ii) (i) (iv) (iii)
4. (iv) (iii) (ii) (i)
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Aschelminthes |
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Assertion (A): The digestive system of Aschelminthes is incomplete.
Reason (R): The incomplete digestive system has only a single opening to the outside of the body that serves as both mouth and anus.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Phylum Aschelminthes |
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Assertion (A): Aschelminthes are called roundworms.
Reason (R): Aschelminthes have circular bodies in cross-section.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Phylum Aschelminthes |
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Match the following:
List I List II
(a) Hydra (i) Cuttlefish 
(b) Sepia (ii) Gregarious pest 
(c) Wuchereria (iii) Freshwater polyp
(d) Locusta (iv) Filarial worm 
Choose the correct answer from the options given below:
   (a)   (b)   (c)  (d)
1. (i)   (iv)  (iii)  (ii)
2. (iii)  (i)   (iv)  (ii)
3. (ii)   (iii)  (i)   (iv)
4. (iii)   (i)   (ii)   (iv)
Subtopic:  Phylum Coelenterata | Phylum Aschelminthes | Phylum Arthropoda |
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Assertion (A): The phylum Aschelminthes represent pseudocoelomates
Reason (R): In Aschelminthes, mesoderm is present as scattered pouches in between ectoderm and endoderm
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Phylum Aschelminthes |
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Assertion(A) : Tapeworms, round worms and pin worms are endoparasites of human intestine.
Reason (R) : Improperly cooked food is the source of all intestinal infections.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
 
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes |
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