Biology MCQs

Question 1

Photosynthesis takes place faster in

Accepted Answer

red light

Answer

yellow light

Answer

white light

Answer

darkness

Question 2

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

Accepted Answer

Robert Brown

Answer

Robert Hooke

Answer

Rudolf Virchow

Answer

Theodore Schwann

Question 3

Primary phloem develops from

Accepted Answer

provascular tissue

Answer

lateral meristem

Answer

protoderm

Answer

extrastelar cambium

Question 4

Other than spreading malaria, anopheles mosquitoes are also vectors of

Accepted Answer

filariasis

Answer

dengue fever

Answer

encephalitis

Answer

yellow fever

Question 5

Plants that grow in saline water are called

Accepted Answer

halophytes

Answer

hydrophytes

Answer

mesophytes

Answer

thallophytes

Question 6

Pyorrhoea is a disease of the

Accepted Answer

gums

Answer

nose

Answer

heart

Answer

lungs

Question 7

O2 released in the process of photosynthesis comes from

Accepted Answer

water

Answer

CO2

Answer

sugar

Answer

pyruvic acid

Question 8

Placenta is the structure formed

Accepted Answer

by the union of foetal and uterine tissue

Answer

by foetus only

Answer

by fusion of germ layers

Answer

None of these

Question 9

Plants hormone that induces cell division is

Accepted Answer

cytokinins

Answer

auxins

Answer

gibberellins

Answer

domins