Q. No.Mosaic vision in Periplaneta is characterized by:
1. High sensitivity but low resolution
2. Low sensitivity but high resolution
3. High sensitivity and high resolution
4. Low sensitivity and low resolution
1. High sensitivity but low resolution
2. Low sensitivity but high resolution
3. High sensitivity and high resolution
4. Low sensitivity and low resolution
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The respiratory system of cockroach consists of a network of tracheae that open through how many spiracles present on the lateral side of the body?
1. 5
2. 5 pairs
3. 20
4. 20 pairs
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Identify the incorrect statement regarding the blood vascular system of cockroach:
1. Blood vessels are poorly developed and open into hemocoel
2. The hemolymph is composed of colorless plasma and hemocytes
3. Heart lies along the mid-ventral line of thorax and abdomen
4. Blood from sinuses enter heart through ostia
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Which of the following mouth parts of cockroach are paired?
| 1. | Labrum | 2. | Labium |
| 3. | Hypopharynx | 4. | Maxilla |
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The exoskeletal plates in the exoskeleton of cockroach are joined to each other by:
| 1. Proteinaceous pellicle | 2. Arthrodial membrane |
| 3. Ligament | 4. Cellulose threads |
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Which of the following animal tissues can be derived from all three embryonic germ layers?
1. Epithelium
2. Connective
3. Muscle
4. Neural
What cell secrets the myelin sheath around the axolemma in central nervous system?
1. Schwann cell
2. Oligodendrocyte
3. Astrocyte
4. Microglial cell
Epithelial tissue:
1. has a blood supply and a nerve supple
2. has a blood supply but no nerve supply
3. has a nerve supply but no blood supply
4. lacks a blood supply and a nerve supply
The calcium binding protein, troponin, is found in:
I. Skeletal muscle
II. Smooth muscle
III. Cardiac muscle
1. Only I
2. Both I and II
3. Both I and III
4. I, II and III
Match bone cells in Column I with their function in Column II and select the correct answer from the code given:
|
|
COLUMN I |
|
COLUMN II |
|
A. |
Osteocyte |
a. |
Maintains bone |
|
B. |
Osteoblast |
b. |
Resorbs bone |
|
C. |
Osteogenic cell |
c. |
Stem cell |
|
D. |
Osteoclast |
d. |
Forms bone matrix |
Code
A B C D
1. a b c d
2. b a d c
3. a c d b
4. a d c b
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