100 Best Biology MCQ
Q97). Plant have ____ while animals lack it.
a).starch
b).cellulose
c).protein
d).fat
Correct Answer:
cellulose
Explaination:
Q98). Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
a).Exact concentration of solution is not given
b).Character of semi permeable membrane is not given
c).The flow of solution is not possible through semi permeable membrane
d).All are incorrect
Correct Answer:
The flow of solution is not possible through semi permeable membrane
Explaination:
Q99). Photosynthesis is a process
a).reductive and exergonic
b).reductive and catabolic
c).reductive, endergonic and catabolic
d).reductive, endergonic and anabolic
Correct Answer:
reductive, endergonic and anabolic
Explaination:
Q100). On which of the following plants did Gregor Mendal perform his classical experiment?
a).Gram
b).Maize
c).Pea
d).Wheat
Correct Answer:
Pea
Explaination:
Q101). Pigmentation of skin is due to
a).lymphocytes
b).monocytes
c).leucocytes
d).melanocytes
Correct Answer:
melanocytes
Explaination:
Q102). Norepinephrine increases
a).respiration
b).urine production
c).saliva production
d).blood pressure
Correct Answer:
blood pressure
Explaination:
Q103). Night blindness is cause by lack of which vitamin?
a).Vitamin A
b).Vitamin B
c).Vitamin C
d).Vitamin D
Correct Answer:
Vitamin A
Explaination:
Q104). Monocot root differs from dicot root in having
a).open vascular bundles
b).scattered vascular bundles
c).well developed pith
d).radially arranged vascular bundles
Correct Answer:
well developed pith
Explaination: