Animal cell differ from plant cell in possessing
Vacuoles
Centrosomes
Pastids
Mitochondria
B.
Centrosomes
The centrosome is a self-propagating cytoplasmic organelle located near the nucleus of an animal cell.
Which of the following organelles does not contain RNA?
Plasmalemma
Ribosome
Chromosome
Nucleolus
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 the tail region throughout the life.
I wrong, II correct
I correct, II wrong
Both I and II are wrong
Both are correct
In which of the following haemocyanin pigment is found?
Lower invertebrates
Echinodermata
Insecta
Annelida
Which of the following cells in earthworm play a role similar to liver in vertebrates?
Amoebocytes
Mucocytes
Chloragogen cells
Epidermal cells
Match the following and select the correct option.
List I | List II |
A. Cyclostomes | 1. Hemichordata |
B. Ayes | 2. Urochordata |
C. Tunicates | 3. Agantha |
D. Balanoglossus | 4. Pisces |
E. Osteichthyes | 5. Tetrapod |
A | B | C | D | E |
3 | 5 | 2 | 1 | 4 |
A | B | C | D | E |
3 | 1 | 5 | 2 | 4 |
A | B | C | D | E |
1 | 2 | 3 | 4 | 5 |
A | B | C | D | E |
2 | 3 | 4 | 1 | 5 |
Chondrichthyes is characterised by
Placoid scale
Placoid scale and ventral mouth
Ventral mouth
Ctenoid scale and ventral mouth