Animal Kingdom · Question 9

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

Consider the following statements : Choose the correct answer from the options given below :

1. B only
2. A only
3. C only
4. D only

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

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

The following are the statements about non-chordates: Choose the most appropriate answer from the options given below:

1. A & C only
2. A, B & D only
3. B, D & E only
4. B, C & D only

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

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

Open Circulatory system is present in :

1. Palaemon, Nereis, Balanoglossus
2. Hirudinaria, Bombyx, Salpa
3. Anopheles, Limax, Limulus
4. Pheretima, Musca, Pila

Which of the following pairs is an incorrect match?

1. Annelids and arthropods-Bilateral symmetry
2. Sponges-Acoelomates
3. Coelenterates and Ctenophores-Radial symmetry
4. Platyhelminthes-Diploblastic organisation

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.