Match the following and select the correct option.
1. | A-3 B-5 C-2 D-1 E-4 |
2. | A-3 B-1 C-5 D-2 E-4 |
3. | A-1 B-2 C-3 D-4 E-5 |
4. | A-2 B-3 C-4 D-1 E-5 |
Chondrichthyes is characterised by:
1. placoid scale
2. placoid scale and ventral mouth
3. Ventral mouth
4. ctenoid scale and ventral
One animal that does not perform locomotion is:
1. Sycon
2. Nereis
3. Sepia
4. Euglena
Chondrichthyes is characterised by:
1. | placoid scale |
2. | ventral mouth |
3. | ctenoid scale and ventral mouth |
4. | placoid scale and ventral mouth |
The scientific name of gharial is:
1. | Naja bungarus |
2. | Gaviais gangeticus |
3. | Hemidactylus flavivridis |
4. | None of the above |
Which of the given option is correct regarding the statements?
Statement I: | Cephalochordata bears notochord all along the body throughout life. |
Statements II: | Urochordate bears vertebral column only in tail region throughout the life. |
1. | I wrong, II correct |
2. | I correct, II wrong |
3. | Both I and II are wrong |
4. | Both are correct |
Secondary body cavity with segmented mesodermal lining is called:
1. | haemocoel | 2. | neurocoele |
3. | true coelom | 4. | pseudocoelom |
Which of the following cells in earthworms play a role similar to the liver in vertebrates?
1. Amoebocytes
2. Mucocytes
3. Chloragogen cells
4. epidermal cells
In which of the following haemocyanin pigment is found?
1. Lower invertebrates
2. Echinodermata
3. Insecta
4. Annelida