A typical reptilian heart is shown by the figure:
1. | 2. | ||
3. | 4. |
The lungs shown in the given diagram belong to the respiratory system of:
1. | Amphibians | 2. | Reptiles |
3. | Birds | 4. | Mammals |
Given below is a list of animals. What is the number of animals in the list that have a true coelom but not a segmented body?
Meandrina, Chaetopleura, Cucumaria, Ancylostoma, Bombyx, Aplysia, Amphioxus, Antedon |
1. | 2 | 2. | 3 |
3. | 4 | 4. | 5 |
Match each item in Column I with one item in Column II and select the correct match from the codes given:
COLUMN I | COLUMN II | ||
A | Largest marine animal phylum | P | Arthropoda |
B | Largest animal phylum | Q | Mollusca |
C | Largest vertebrate class | R | Pisces |
D | Largest vertebrate endotherm class | S | Aves |
A | B | C | D | |
1. | P | Q | R | S |
2. | Q | P | S | R |
3. | P | Q | S | R |
4. | Q | P | R | S |
The diagram below shows the body plan of a:
1. | Cephalochordate | 2. | Cyclostome |
3. | Cartilaginous fish | 4. | Bony fish |
The larvae in echinoderms are:
I. Radially symmetrical | II. Free swimming |
1. | Only I | 2. | Only II |
3. | Both I and II | 4. | Neither I nor II |
In a typical mollusc:
I: | Head, muscular foot and visceral hump are body segments. |
II: | Mantle over the visceral hump is formed by a layer of skin. |
III: | Radula is a file-like rasping organ |
1. Only III is correct
2. Only II and III are correct
3. Only I and III are correct
4. Only I and II are correct
Identify the correct statements regarding the members of Phylum Aschelminthes:
I. Their body is circular in cross-section
II. Alimentary canal is complete
III. Males, are often, longer than females
1. | Only II | 2. | Only I and II |
3. | Only II and III | 4. | Only III |
The structure marked ‘X’ in the given diagram is:
1. | used in generating water current in sponges |
2. | a cell used for capturing prey in Cnidarians |
3. | a sticky cell used for anchorage in comb jellies |
4. | an excretory and osmoregulatory cell in flatworms |
What do you see in the given picture?
1. | Tube sponges |
2. | Cnidarian polyps connected by calcium carbonate |
3. | Echinoderm anthozoans |
4. | Comb jellies |