- (A) Pasteurization
- (B) Hydroponic culture technique
- (C) Genetic engineering
- (D) Biological control techniques
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- (A) diastase
- (B) invertase
- (C) maltase
- (D) amylase
- (A) Scientific hypothesis
- (B) Theory
- (C) Scientific law
- (D) Productive theory
- (A) It is predictive
- (B) It has explanatory power
- (C) It discourages suggestion of different hypotheses
- (D) None of these
- (A) carbon, oxygen, nitrogen, sulfur
- (B) carbon, oxygen, hydrogen, nitrogen
- (C) carbon, oxygen, sulfur, phosphorus
- (D) carbon, sulfur, hydrogen, magnesium
- (A) Photosynthetic
- (B) Chemosynthetic
- (C) Completely parasitic
- (D) Absorptive heterotrophs
- (A) Measles
- (B) Polio
- (C) Small pox
- (D) Hepatitis
- (A) fucoxanthin
- (B) phycocyanin
- (C) phycoerythrin
- (D) bilirubin
- (A) Louis Pasture
- (B) Edward Jenner
- (C) Jaber Ibn Hayan
- (D) Aristotle
- (A) helper-T
- (B) B
- (C) both T and B
- (D) none of these

