Animal Kingdom · Question 2

A group of researchers procured some fish-like animals and upon investigation the following characters were observed: Which of the following species of animals did they consider to fit best with these characters ?

1. Scoliodon sp.
2. Exocoetus sp.
3. Petromyzon sp.
4. Branchiostoma sp.

Select the set of fishes which belong to the class Osteichthyes:

1. Saw fish, Fighting fish and Dog fish
2. Devil fish, Cuttlefish and Hagfish
3. Starfish, Hagfish and Cuttlefish
4. Flying fish, Angel fish and Fighting fish

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

Which of the following is not a characteristic of chordates?

1. Presence of post anal part (tail)
2. Presence of notochord
3. Central nervous system is dorsal
4. Absence of gills

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but Statement II is correct
2. Both Statement I and Statement II are correct
3. Both Statement I and Statement II are incorrect
4. Statement I is correct but Statement II is incorrect

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below:

1. (A) is true but (R) is false
2. (A) is false but (R) is true
3. Both (A) and (R) are true and (R) is the correct explanation of (A)
4. Both (A) and (R) are true but (R) is not the correct explanation of (A)

All living members of the class Cyclostomata are :

1. Symbiotic
2. Ectoparasite
3. Free living
4. Endoparasite

Role of the water vascular system in Echinoderms is : Choose the correct answer from the options given below :

1. B and C Only
2. B, D and E Only
3. A and B Only
4. A and C Only

While trying to find out the characteristic of a newly found animal, a researcher did the histology of an adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelom of that animal?

1. Schizocoelomate
2. Spongocoelomate
3. Acoelomate
4. Pseudocoelomate

Match List I with List II: Choose the correct answer from the options given below :

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