641. Masses of dilated tortuous veins in the anorectal mucosa are known as___________?
A. Bulimia
B. Ulcer
C. Adipose tissue
D. Hemorrhoids
642. Puccinia is a parasitic___________?
A. Plant
B. Fungus
C. Animal
D. Algae
643. An illness which largely affects girls usually just after the onset of puberty.
A. Bulimia nervosa
B. Obesity
C. Anorexia nervosa
D. None of these
644. Autotrophic organisms can exist in an exclusively ________________ environment?
A. Organic
B. Inorganic
C. Wet
D. Terrestrial
645. Loss of appetite due to the fear of becoming obese is____________?
A. Anorexia nervosa
B. Bulimia nervosa
C. Piles
D. Dyspepsia
646. Strong chlorosis is due to the deficiency of _____________ in plants?
A. Magnesium
B. Nitrogen
C. Potassium
D. Phosphorus
647. Stunted growth of roots is due to the deficiency of____________in plants?
A. Potassium
B. Magnesium
C. Phosphorus
D. Iron.
648. The liquid that escapes during defrosting frozen meat contains _____ bacteria?
A. Campylobacter
B. Nitrobacter
C. Azobacter
D. Salmonella
649. One of the commonest cause of food poisoning are the toxins produced by__________?
A. Azobacter
B. Nitrosomonas
C. Campylobacter
D. Nitrobacter
650. Puccinia commonly destroys______________?
A. Corn
B. Tomato
C. Dodder
D. Wheat