| 1 |
The funnction of the tubules in muscle contraction is to: |
- A. Make and store glycogen
- B. Release Ca<sup>+2 </sup>into the cell interior and then pick it up again
- C. Make the action potential deep into the muscle cells:
- D. To hamper the nerve impulse
|
| 2 |
Selective weed killer |
- A. 2-4 D
- B. I AA
- C. NAA
- D. IPA
|
| 3 |
A cluster of neuron's cell bodies form |
- A. Ganglia
- B. Cyst
- C. Lump
- D. Swelling
|
| 4 |
Diffused nervous system is found in |
- A. Poriferans
- B. Platyhelminthes
- C. Cnidarians
- D. annelids
|
| 5 |
The remodeling of bone is a function of which cells? |
- A. Chondrocytes and asteocytes
- B. Osteoblasts and osteoclasts
- C. Chondroblasts and osteoclasts
- D. Chondroblasts and osteocytes
|
| 6 |
The structure which respond are called. |
- A. Effectors
- B. Nerves
- C. Receptors
- D. Sense organs
|
| 7 |
Secretin is a hormone produced by |
- A. Liver
- B. Gut
- C. Adrenals
- D. Pancreas
|
| 8 |
Auxins promote growth of roots from |
- A. Cutting
- B. Calluses
- C. Both a & b
- D. Layering
|
| 9 |
Testosterone is secreted by |
- A. Sertoli cells
- B. Interstitial cells
- C. Prostrate gland
- D. Germinal epithelium
|
| 10 |
In human mid brain is |
- A. Reduced
- B. Enlarged
- C. Swollen
- D. Broken
|