General Science and Ability

**The external surface of the stomach is covered by:**A) MucosaB) SerosaC) Parietal peritoneumD) None of these Show Answer Correct Answer: B – Serosa

**Which of the following is not a human organ system?**A) IntegumentaryB) MuscularC) EpithelialD) None of these Show Answer Correct Answer: C – Epithelial

**Which of the following does not vary predictably with the depth of the aquatic environment?**A) AirB) TemperatureC) Penetration by sunlightD) None of these Show Answer Correct Answer: A – Air

**The quantity of available nutrients ___ from the lower levels of the energy pyramids to the higher ones:**A) IncreasesB) DecreasesC) Remains stableD) None of these Show Answer Correct Answer: B – Decreases

**Vacuum tubes have been replaced by:**A) ConductorsB) DiodesC) TransistorsD) None of these Show Answer Correct Answer: C – Transistors

**Which of the following is not a major subdivision of the biosphere?**A) HydrosphereB) StratosphereC) LithosphereD) None of these Show Answer Correct Answer: B – Stratosphere

**Dacron is:**A) PolyesterB) EpoxyC) PolyamideD) None of these Show Answer Correct Answer: A – Polyester

**Vaccination is synonymous with ___ immunity:**A) Natural activeB) Artificial activeC) Artificial passiveD) None of these Show Answer Correct Answer: B – Artificial active

**It is a secondary plant nutrient:**A) NitrogenB) PhosphorusC) SulphurD) None of these Show Answer Correct Answer: C – Sulphur

**When a patient’s immune system becomes reactive to a drug, this is an example of:**A) Super infectionB) Drug resistanceC) AllergyD) None of these Show Answer Correct Answer: C – Allergy