100 Best Biology MCQ
Q9). Plants synthesis protein from
a).starch
b).sugar
c).amino acids
d).fatty acids
Correct Answer:
amino acids
Explaination:
Q10). Plants absorb dissolved nitrates from soil and convert them into
a).free nitrogen
b).urea
c).ammonia
d).proteins
Correct Answer:
free nitrogen
Explaination:
Q11). Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with
a).all gymnosperms, except conifers
b).only angiosperms
c).only conifers
d).angiosperms and all gymnosperms except conifers
Correct Answer:
only conifers
Explaination:
Q12). One of the following is not a function of bones.
a).Place for muscle attachment
b).Protection of vital organs
c).Secretion of hormones for calcium regulation in blood and bones
d).Production of blood corpuscles
Correct Answer:
Secretion of hormones for calcium regulation in blood and bones
Explaination:
Q13). Plants absorb most part of water needed by them through their
a).embryonic zone
b).growing point
c).root hairs
d).zone of elongation
Correct Answer:
root hairs
Explaination:
Q14). Photo-oxidation is
a).photorespiration
b).photolysis
c).light and oxygen induced breakdown
d).All of the above
Correct Answer:
All of the above
Explaination:
Q15). Process of cell division can take place by
a).heterosis
b).fusion
c).mitosis
d).None of these
Correct Answer:
mitosis
Explaination:
Q16). Most highly intelligent mammals are
a).whales
b).dolphins
c).elephants
d).kangaroos
Correct Answer:
dolphins
Explaination: