100 Best Biology MCQ

Q65). Process of cell division can take place by

a).heterosis
b).fusion
c).mitosis
d).None of these

Correct Answer:
mitosis
Explaination:

Q66). Most highly intelligent mammals are

a).whales
b).dolphins
c).elephants
d).kangaroos

Correct Answer:
dolphins
Explaination:

Q67). Plant development is influenced by

a).quality of light only
b).quality and quantity of light
c).quality and duration of light
d).quality, quantity and duration of light

Correct Answer:
quality, quantity and duration of light
Explaination:

Q68). Prokaryotic cells lack

a).nucleolus
b).nuclear membrane
c).membrane bound by organelles
d).All of these

Correct Answer:
All of these
Explaination:

Q69). Photosynthesis takes place faster in

a).yellow light
b).white light
c).red light
d).darkness

Correct Answer:
white light
Explaination:

Q70). Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

a).Robert Hooke
b).Robert Brown
c).Rudolf Virchow
d).Theodore Schwann

Correct Answer:
Robert Brown
Explaination:

Q71). Primary phloem develops from

a).lateral meristem
b).protoderm
c).extrastelar cambium
d).provascular tissue

Correct Answer:
provascular tissue
Explaination:

Q72). Other than spreading malaria, anopheles mosquitoes are also vectors of

a).dengue fever
b).filariasis
c).encephalitis
d).yellow fever

Correct Answer:
filariasis
Explaination: