During a total solar eclipse there is most likely to be:
- (A) A decrease in the rate of photosynthesis
- (B) An increase in the rate of photosynthesis
- (C) A decrease in the respiration
- (D) No effect on either photosynthesis or respiration
- (A) A decrease in the rate of photosynthesis
The large plates of solar panels are painted:
- (A) Red
- (B) White
- (C) Black
- (D) None of these
- (C) Black
Deficiency of chloride cause in impaired growth in:
- (A) Animals
- (B) Infants
- (C) Young men
- (D) None of these
- (B) Infants
Biogasis the common name of:
- (A) Natural gas
- (B) Oxygen
- (C) Carbon dioxide
- (D) None of these
- (A) Natural gas
The blood glucose level is commonly expressed as:
- (A) Millimeter of Hg
- (B) Milligram per deciliter
- (C) Parts per deciliter
- (D) None of these
- (B) Milligram per deciliter
Optical fibers are the fine strands of:
- (A) Glass
- (B) Iron
- (C) Calcium
- (D) None of these
- (A) Glass
The waves used for sending signals to the satellite from ground station are:
- (A) X-rays
- (B) Sound waves
- (C) Micro waves
- (D) None of these
- (C) Micro waves
BTU is the abbreviation of:
- (A) British Technical Unit
- (B) British Thermal Unit
- (C) British Temperature Unit
- (D) None of these
- (B) British Thermal Unit
Why are soft drink made chilled water rather than water at room temperature?
- (A) Chilled water is more hygienic
- (B) Ingredients dissolve better chilled water
- (C) Chilled water enhances the taste
- (D) Chilled water attracts more carbon dioxide
- (D) Chilled water attracts more carbon dioxide
One nautical mile per hour is equal to _______ knots.
- (A) 1 knot
- (B) 1.5 knots
- (C) 1.75 knots
- (D) None of these
- (A) 1 knot