| 1 |
The sites where nerve impulse is transmitted from the nerve endings to the skeleton muscle cell membranes are the: |
- A. Neucromuscular junctions
- B. Sarcomeres
- C. Myofilaments
- D. Z discs
|
| 2 |
Secretin is a hormone produced by |
- A. Liver
- B. Gut
- C. Adrenals
- D. Pancreas
|
| 3 |
Testosterone is secreted by |
- A. Sertoli cells
- B. Interstitial cells
- C. Prostrate gland
- D. Germinal epithelium
|
| 4 |
The organic portion of bones matrix is important in providing all but: |
- A. Tensile strength
- B. Hardness
- C. To resist stretch
- D. Flexibilty
|
| 5 |
The chemical waste of industry is called. |
- A. Pollution
- B. effluent
- C. Pollutant
- D. Toxin
|
| 6 |
During non conducting state the neuron membrane is permeable to efflux of. |
- A. Cl-
- B. Ca<div><br></div><div><br></div><div><br></div><div><br></div><div>Ca+</div>
- C. Na+
- D. K+
|
| 7 |
Etiolated plants grow without. |
- A. Water
- B. Light
- C. O2
- D. CO2
|
| 8 |
The receptor cells of Planaria are sensitive to. |
- A. Light and pressure
- B. Light pressure and touch
- C. Touch , pressure and chemicals
- D. Light, pressure, touch and chemicals
|
| 9 |
Which hormone is chemically steroid . |
- A. ADH
- B. Corticosherone
- C. Insulin
- D. Thyoxine
|
| 10 |
Who was the first to propose an objective definition of instincts in terms of animal behaviour |
- A. Darwin
- B. Lamarck
- C. Wallace
- D. Lyell
|
