Deck 4: Biology and Health

Question 1

Pituitary gland is found in

A)around trachea
B)gonad
C)pancreas
D)brains

Answer 1

brains

Question 2

Which of the hormones is responsible for the emotional state such as fear and anger and causes rise of blood pressure and rate of heartbeat?

A)insulin
B)adrenaline
C)progesterone
D)thyroxine

Answer 2

adrenaline

Question 3

The main function of plasma membrane is to

A)maintain cell shape and size
B)control of all cellular activity
C)regulate the flow of materials into and out of the cell
D)store cell material

Answer 3

regulate the flow of materials into and out of the cell

Question 4

Function of a Centriole is

A)formation of spindle fibers
B)formation of nucleolus
C)initiation of cell division
D)formation of cell plate

Question 5

Functional activities of a cell are controlled by

A)nucleus
B)nucleolus
C)mitochondria
D)cytoplasm

Question 6

Study of Algae is called

A)phycology
B)mycology.
C)dendrology
D)mycology

Question 7

Which of the following is a non-poisonous snake?

A)cobra
B)python
C)viper
D)krait

Question 8

Which of the following diseases is caused by a virus?

A)typhoid
B)cholera
C)influenza
D)diphtheria

Question 9

DTP vaccine is given to infants to immunize them against

A)diphtheria, pneumonia and typhoid
B)diphtheria, whooping cough and tetanus
C)diarrhea, pneumonia and tuberculosis
D)diphtheria, whooping cough and typhoid

Question 10

Jaundice is a disease of

A)kidney
B)pancreas
C)liver
D)duodenum

Question 11

Male mosquito does not carry malarial parasite because:

A)it is too small to bite man.
B)it lacks the modified mouth parts
C)malarial parasites cannot reproduce in them.
D)female mosquito is more deadly

Question 12

Continuous fever, headache, slow pulse, pain in the stomach, rose colored ashes are the major symptoms of

A)plague
B)typhoid
C)mumps
D)measles

Question 13

Bark of which plant yields famous drug of malaria?

A)cinchona
B)quercus
C)betula
D)eucalyptus

Question 14

If there were no ultraviolet rays reaching the earth, human should suffer from deficiency of

A)fatty acids
B)essential amino acids
C)vitamin D
D)vitamin E

Question 15

Smog is a combination of

A)fire and water
B)smoke and fog
C)water and smoke
D)air and water

Question 16

Sound becomes a hazardous noise pollution if its level is a above

A)30 Db
B)120 dB
C)80 dB
D)150 Db

Question 17

Maximum threat to the world is from (among the following)

A)global warming
B)ozone hole
C)water pollution
D)soil erosion

Question 18

Which of the following is the symbol of the metal that occurs in liquid form at ordinary temperature?

A)Na
B)Sn
C)Pb
D)Hg

Question 19

Which of the following is least compressible?

A)gas
B)liquid
C)solid
D)none of these

Question 20

Which of the following is not a chemical change?

A)rusting of iron
B)converting water into steam
C)making curd from milk
D)heating coal

Question 21

Atomicity of Phosphorous is

A)1
B)2
C)4
D)6

Question 22

The number of atoms present in a molecule of an element is known as its

A)valency
B)atomicity
C)chemical Formula
D)symbol