An animal with the following body wall organization will not have:

 

1. Cephalization

2. Three germ layers

3. Bilateral symmetry

4. A complete digestive tract

Consider the following statements:

I. Platyhelminthes are acoelomates and use protonephridia as excretory structures.

II. Aschelminthes are pseudocoelomates and have bilateral symmetry.

III. Adult echinoderms show radial symmetry and exhibit deuterostome type embryonic development.

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Consider the following statements:

Chordates-

Which of the above statements are true?

1 I and II only

2. I and III only

3. II and III only

4. I, II and III

Match each item in Column I with one item in Column Il and chose your answer from the codes given below:

Column I       Column II
(animal)        (phylum)
I. Loligo       1. Mollusca
II. Ophiura   2. Echinodermata
III. Beroe     3. Cnidaria
IV. Adamsia  4. Ctenophora

Codes:

  I II III IV

1. 1 2 3 4

2. 2 1 4 3

3. 2 1 3 4

4. 1 2 4 3

Match each item in Column I with one item in Column II regarding and choose your answer from the codes given below :

Match each item in Column I with one item in Column II and chose your answer from the codes given below.

Codes:

In case of poriferans, the spongocoel is lined with flagellated cells called

1. ostia

2. oscula

3. choanocytes

4. mesenchymal cells

Choose the correct statements.

Which of the following characteristic features always holds true for the corresponding group of animals?

Which of the following features is not present in the phylum – Arthropoda?

(1) Metameric segmentation

(2) Parapodia

(3) Jointed appendages

(4) Chitinous exoskeleton