Animal Kingdom

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.

Radial symmetry is NOT found in adults of phylum .

1. Hemichordata
2. Coelenterata
3. Echinodermata
4. Ctenophora

Select the correct statements with reference to chordates. Choose the correct answer from the options given below:

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

The unique mammalian characteristics are :

1. hairs, pinna and mammary glands
2. hairs, pinna and indirect development
3. pinna, monocondylic skull and mammary glands
4. hairs, tympanic membrane and mammary glands

Exoskeleton of arthropods is composed of:

1. Cutin
2. Cellulose
3. Chitin
4. Glucosamine

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

1. Corvus, Columba, Chameleon
2. Bufo, Balaenoptera, Bungarus
3. Catla, Columba, Crocodilus
4. Pavo, Psittacula, Corvus

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 most appropriate answer from the options given below:

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

Which of the following animals has three chambered heart?

1. Pteropus
2. Scoliodon
3. Hippocampus
4. Chelone

Select the incorrect statements with respect to Cyclostomes: Choose the most appropriate answer from the options given below:

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