biologys online

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Lack of ascorbic acid causes

Lack of ascorbic acid causes
  • A. tooth decay
  • B. demineralization of bones
  • C. calcification of soft tissues
  • D. poor healing of wounds
  • Correct Answer: Option D

All are types of polysaccharides, but,

All are types of polysaccharides, but,
  • A. starch
  • B. glucose
  • C. galactose
  • D. cellulose
  • Correct Answer: Option C

Peristalsis prevents

Peristalsis prevents
  • A. movement of undigested food in large intestine
  • B. signs of constipation
  • C. wavelike muscular movements
  • D. use of too much water
  • Correct Answer: Option B

Tristearin can be hydrolyzed to form

Tristearin can be hydrolyzed to form
  • A. stearic acid
  • B. glycerol
  • C. glycogen
  • D. both A and B
  • Correct Answer: Option D

Active transport

Active transport
  • A. does not require energy
  • B. can take place against concentration gradient
  • C. can not be done by root cells
  • D. is harmful for living cells
  • Correct Answer: Option B