591. Cod liver oil contains:
(A) Vitamin C
(B) Vitamin E
(C) Vitamin K
(D) Vitamin D
592. Antares is one of the largest known __?
A: Pulsars Star
B: Quasars Star
C: White Dwarfs Star
D: Red Super-giants Star
593. The salinity of seawater is determined by the amount of common salt (Sodium Chloride) in _ of seawater.
A: 10 grams
B: 1 gram
C: 1 kg
D: 10 kg
594. Yeast is used in making bread because it produces_______?
A: Sugar
B: Carbon dioxide
C: Bacteria
D: Oxygen
595. Digestion of food is completed in the _?
A: large intestine
B: small intestine
C: stomach
D: Liver
596. Which of the following planets is the fastest rotating planet?
A: Mars
B: Mercury
C: Jupiter
D: Venus
597. The vitamin Folate works together with _ to produce new red blood cells?
A: Vitamin A
B: Vitamin D
C: Vitamin B-12
D: None of the above
598. According to many, including the Guinness Book of World Record,___is the world’s rarest mineral?
A: Benitoite
B: Painite
C: Jadeite
D: Taaffeite
599. What is the rarest blood type in humans?
A: O+
B: O-
C: AB+
D: AB-
600. How many Number of eyes found in Earthworm?
A: Many
B: One
C: No eye
D: Two
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