Biology - General Knowledge Questions

1 .

A)

bulb

B)

conn

C)

modified root

D)

tuber

Correct Answer : modified root

2 .

Pyorrhoea is a disease of the

A)

nose

B)

gums

C)

heart

D)

lungs

Correct Answer : gums

3 .

Outer covering of virus made up of protein is

A)

capsid

B)

coat

C)

virion

D)

viriod

Correct Answer : capsid

4 .

Plants that grow in saline water are called

A)

halophytes

B)

hydrophytes

C)

mesophytes

D)

thallophytes

Correct Answer : halophytes

5 .

Movements due to light are shown by

A)

flowering plants

B)

lower plants

C)

all land plants

D)

all the plants

Correct Answer : flowering plants

6 .

Other than spreading malaria, anopheles mosquitoes are also vectors of

A)

dengue fever

B)

filariasis

C)

encephalitis

D)

yellow fever

Correct Answer : filariasis

7 .

Our major foods, fibres, spices, fruits and beverage crops are

A)

flowering plants

B)

gymnosperms plants

C)

pteridophytes

D)

bryophytes

Correct Answer : flowering plants

8 .

Primary phloem develops from

A)

lateral meristem

B)

protoderm

C)

extrastelar cambium

D)

provascular tissue

Correct Answer : provascular tissue

9 .

Organic Substances which, in very small amounts, control growth and development called

A)

vitamins

B)

hormones

C)

enzymes

D)

None of the above

Correct Answer : hormones

10 .

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

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