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MSM X

Total questions: 161

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Which statements are properties of an acid?

1 reacts with ammonium sulfate to form ammonia

2 turns red litmus blue

a)

Statement 1 & 2

b)

Statement 1 only

c)

Statement 2 only

d)

None of the statement above

2.

Which property is not characteristic of a base?

a)

It reacts with a carbonate to form carbon dioxide.

b)

It reacts with an acid to form a salt.

c)

It reacts with an ammonium salt to form ammonia.

d)

It turns universal indicator paper blue.

3.

A sting from insect X has a pH of 6 and a sting from insect Y has a pH of 8. The table shows the pH of four substances

Which substances are used to treat the two stings?

a)

X: hydrochloric acid; Y: sodium hydroxide

b)

X: sodium hydrogen carbonate; Y: vinegar

c)

X: sodium hydroxide; Y: hydrochloric acid

d)

X: Vinegar; Y: sodium hydrogen carbonate

4.

The table shows the pH of four aqueous solutions, W, X, Y and Z. Universal Indicator is added to each solution. Which row shows the colour of each solution after the indicator is added?

a)

W: blue, X: green, Orange, Z: red

b)

W: green, X: blue, Y: red, Z: orange

c)

W: orange, X: red, Y: blue, Z: green

d)

W: red, X: orange, Y: green, Z: blue

5.

Hydrochloric acid is used to clean metals. The acid reacts with the oxide layer on the surface of the metal, forming a salt and water. Which word describes the metal oxide?

a)

alloy

b)

base

c)

element

d)

indicator

6.

Which statement is not correct?

a)

When a base reacts with an ammonium salt, ammonia is given off.

b)

When an acid reacts with a base, neutralisation takes place.

c)

When an acid reacts with a carbonate, carbon dioxide is given off.

d)

When the acidity of a solution increases, the pH increases.

7.

Which reaction is not characteristic of an acid?

a)

It dissolves magnesium oxide.

b)

It produces ammonia from ammonium compounds

c)

It produces carbon dioxide from a carbonate.

d)

It produces hydrogen from zinc metal.

8.

Which equation for the reaction between sodium carbonate and dilute hydrochloric acid is correct?

a)

Na2CO3(s) + HCl(aq) → NaCl(aq) + CO2(g) + H2O(I)

b)

Na2CO3(s) + HCl(aq) → Na2Cl(aq) + CO2(g) + H2O(I)

c)

Na2CO3(s) + 2HCl(aq) → NaCl(aq) + CO2(g) + H2O(I)

d)

Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + CO2(g) + H2O(I)

9.

Some reactions of a substance, R, are shown in the diagram.

What type of substance is R?

a)

an acid

b)

a base

c)

an element

d)

a salt

10.

Which statements about alkalis are correct?

1 When reacted with an acid, the pH of the alkali increases. 2 When tested with litmus, the litmus turns blue.

3 When warmed with an ammonium salt, ammonia gas is given off.

a)

1, 2 and 3

b)

1 and 2 only

c)

1 and 3 only

d)

2 and 3 only

11.
Plaster of Paris is made from
a)
Lime stone
b)
Slaked Lime
c)
Quick lime
d)
Gypsum
12.
Setting of Plaster of Paris takes place due to
a)
Oxidation
b)
Reduction
c)
Dehydration
d)
Hydration
13.
Washing soda has the formula
a)
Na2CO3.7H2O
b)
Na2CO3.10H2O
c)
Na2CO3.H2)
d)
Na2CO3
14.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
15.
What is the name of this ion: H3O+?
a)
helium ion
b)
hydrogen ion
c)
hepatic ion
d)
hydronium ion
16.

A drop of solution 'X' is placed on a strip of pH paper. A deep red colour is produced. The solution 'X' is

a)

NaOH

b)

HCl

c)

H2O

d)

Na2CO3

17.

Which of the following base is used in the manufacture of bleaching powder?

a)

Sodium hydroxide

b)

Calcium hydroxide

c)

Potassium hydroxide

d)

Magnesium hydroxide

18.

A colourless and odourless gas is liberated when hydrochloric acid is added to a solution of washing soda. The name of the gas is

a)

Carbon dioxide

b)

Nitrogen dioxide

c)

Sulphur dioxide

d)

Sulphur trioxide

19.

The compounds obtained on heating baking soda are

a)

Sulphur dioxide and sodium carbonate

b)

Sodium bicarbonate, water and carbon dioxide

c)

Sodium carbonate, water and carbon dioxide

d)

Hydrochloric acid and water

20.
A ___ is formed when an positive ion bonds with a negative ion.
a)
Acid
b)
base
c)
salt
d)
neutral ion
21.

What does Acid release, when it is present in thesolution form.

a)

OH-

b)

H+

c)

NO-

d)

Cl-

22.

Bases that dissolve in water are known as

a)

Water base

b)

Alkali

c)

Metal

d)

Neutral salt

23.

what is the reactant, when the product is salt and water

a)

Acid and salt

b)

Acid and water

c)

Acid and base

d)

Base and water

24.

What is salt

a)

A liquid compound.

b)

A chemical compound.

c)

A Soluble compound

d)

None of the above

25.

Can salt be reversed back to form acid and base.

a)

YES

b)

NO

26.

Which of the following is Soapy to touch

a)

Hydrochloric acid

b)

Nitric acid

c)

Sodium Hydroxide

d)

Sulphuric acid

27.

In a reaction, we have sulphuric acid with us and a base, the product formed was salt and water, casn you identify the type of salt formed?

a)

Sulphate

b)

Chloride

c)

Nitrate

d)

None of these

28.

What is the colour of FeSO4.6H2O

a)

PINK

b)

GREEN

c)

BLUE

d)

WHITE

29.

What is the reactin of the acid and base known as?

a)

Physical reaction

b)

Neutralization reaction

c)

none of the above

d)

colour reaction

30.

What is the chemical name of the compound

a)

CuSO4.2H2O

b)

CuSO4

c)

CuSO4.5H2O

d)

CuSO4.H20

31.

What happens when calcium is treated with water ?

i) no reaction with water

ii) violent reaction

iii) less violent reaction

iv) bubbles of H2 gas stick to the surface of calcium

a)

i and iv

b)

ii and iii

c)

i and ii

d)

iii and iv

32.

which of the following pair of metals exist in their native state in nature

Au

Ag

Cu

Al

a)

Ag and Cu

b)

Au and Cu

c)

Ag and Al

d)

Ag and Au

33.

electric wires have a coating of an insulating material. The material can be used

a)

Rubber

b)

plastic

c)

both rubber and plastic

d)

PVC

34.

generally metals react with acids to form salt and H2 gas

On reaction with HNO3 which of the following metals will react to form salt and hydrogen

a)

Mn and Mg

b)

Mn

c)

Mg

d)

None of the above

35.

incorrect statement about Magnesium ?

a)

It burns in oxygen with the dazzling white flame

b)

It reacts with hot water to form magnesium hydroxide and evolve hydrogen gas

c)

It reacts with cold water to form magnesium hydroxide and evolve hydrogen gas

d)

It reacts with steam to form magnesium hydroxide and evolve hydrogen gas

36.

which of the following properties are responsible for aluminium to be ued for cooking utensils ?

i ductility

ii high melting point

iii good thermal conductivity

iv good electrical conductivity

a)

i and ii

b)

ii and iv

c)

ii and iii

d)

ii and iv

37.

which of the following property is *generally not* shown by metals

a)

lustre

b)

good conductivity

c)

softness

d)

sonorous in natiure

38.

which of the following metal reacts with cold as well as hot water

a)

Na

b)

Ca

c)

Mg

d)

Fe

39.

Diamond - an allotrope of carbon is the hardest substance as well as have :

a)

high melting point

b)

low boiling point

c)

high melting point but low boiling point

d)

high melting point as well as high boiling point

40.

which of the following oxide of iron would form onreaction with steam

a)

FeO

b)

Fe3O4

c)

Fe2O3

d)

Fe2O3 and Fe3O4

41.

In aqua regia, mixture is comprised of -

a)

Dil HCl : Dil HNO³

3 : 1

b)

Conc. HCl : Conc. HNO³

3 : 1

c)

Dil HCl : Conc. HNO³

3 : 1

d)

Conc. HCl : Dil HNO³

1 : 3

42.

from which one of the following four metals would be displaced from the other three from the solution of its salt

a)

Al

b)

Zn

c)

Pb

d)

Ag

43.

hydrogen gas is not evolved when metals react with dilute HNO*3 because -

a)

HNO3 is a weak acid

b)

HNO3 is an reducing agent

c)

HNO3 is oxidizing agent

d)

a violent reaction takes place

44.

when aluminium reacts with caustic soda its forms H2 gas and :

a)

NaAlO2

b)

Na2AlO3

c)

Na3Al2

d)

Na3AlO2

45.

How much did you like quiz

a)

Best, 90%

b)

Should be better, 70-80%

c)

Average,50-70%

d)

worse, less than 50%

46.

Anodising is a process of forming a thick layer of -

a)

magnesium

b)

copper

c)

aluminium

d)

all metals

47.

a non metal which is an imp constituent of our food forms 2 oxides

=> oxide A is toxic

=> oxide B is harmful for global warming

identify A and B

a)

A=CO B=CO2

b)

A=NO B=NO2

c)

A=NO2 B=NO

d)

A=CO2 B=CO

48.

TWO metals A and B on rubbing change into liquid. The elements A and B respectively are

a)

Cesium, Gallium

b)

Cesium, Rubidium

c)

Rubidium, Strontium

d)

Cesium, Strontium

49.

A metal M does not liberate hydrogen from acids but reacts with oxygen togive a black colour product. The metal M is

a)

caesium

b)

gallium

c)

copper

d)

lead

50.

Three elements X, Y and Z react with cold water, hot water, steam respectively, and liberate hydrogen. Which of the following sequence of elements explains the observations?

a)

Na, Fe,Mg

b)

Na, Mg, Fe

c)

Fe, Na, Mg

d)

Mg, Na, Fe

51.

Assertion (A): Electrovalent compounds are generally insoluble in water.

Reason(R): Copper is lower than aluminium in the reactivity series.

a)

Both (A) and (R) are true and (R) is correct explanation of the (A).

b)

Both (A) and (R) are true but (R) is not the correct explanation of the (A).

c)

(A) is true but (R) isfalse

d)

(A) is false but (R) is true

52.

Assertion (A): Metals above hydrogen in activity series can displace hydrogen from dilute acids.

Reason (R) Metals occur in nature only in the form of their compounds.

a)

Both (A) and (R) are true and (R) is correct explanation of the (A).

b)

Both (A) and (R) are true and (R) is correct explanation of the (A).

c)

(A) is true but (R) isfalse.

d)

(A) is false but (R) is true

53.

The valve present between right atrium and right ventricle.

a)

tricuspid

b)

bicuspid

c)

pulmonary

d)

aortic

54.

In CAM plants CO2 is stored in the form of _________ in the vacuoles.

a)

lactic acid

b)

malic acid

c)

palmitic acid

d)

linoleic acid

55.

It is the site of gaseous exchange in human lungs.

a)

villi

b)

alveoli

c)

trachea

d)

larynx

56.

In unicellular organisms like amoeba gaseous exchange takes place through the process of ____________.

a)

osmosis

b)

transportation

c)

diffusion

d)

elimination

57.

The substance in plants and animals that act as an energy currency.

a)

DNA

b)

RNA

c)

ADP

d)

ATP

58.

_______________ is the final product of glycolysis.

a)

carbon dioxide

b)

ATP

c)

Pyruvic acid

d)

acetyl coA

59.

Glycolysis takes place in the __________ of the cell.

a)

mitochondria

b)

ribosomes

c)

cytoplasm

d)

Golgi complex

60.

The continuous contractions and relaxations of the digestive organs is called

a)

peristalsis

b)

photosynthesis

c)

expansion

d)

constriction

61.

_________________ artery carries deoxygenated blood.

a)

aortic

b)

pulmonary

c)

renal

d)

inferior

62.

chloroplasts are present in the ___________ of the leaf.

a)

palisade parenchyma

b)

aerenchyma

c)

sclrenchyma

d)

collenchyma

63.

Which of the following is the first site for the exchange of inhaled air?

a)

Blood capillaries of lungs

b)

Alveoli of lungs

c)

Left auricle of the heart

d)

Blood capillaries adjacent to body cells

64.

Lymph does not comprise of

a)

Red Blood Corpuscles

b)

Lymphocytes

c)

Leucocytes

d)

Nitrogenous Waste

65.

Crocodiles have ______ chambered heart.

a)

two

b)

three

c)

four

d)

none of these

66.

An enzyme 'X' that converts starch to simple sugars is also the first enzyme to mix with food in the digestive tract. Identify 'X'

a)

Pepsin

b)

Amylase

c)

Lipase

d)

None of these

67.

Which among of the following substances are reabsorbed in the nephron?

a)

Urea, Uric acid, Amino acid

b)

Glucose, Amino acids, Salts

c)

Glucose, Urea, Creatinine

d)

KCl, Urea, Glucose

68.

How is food transported to the food vacuole of paramecium?

a)

By movement of cilia

b)

By pseudopodia

c)

Food vacuole directly captures the food

d)

By contractile vacuole

69.

The process of obtaining food to meet the energy demands of the body is known as _____.

a)

Excretion

b)

Respiration

c)

Nutrition

d)

Circulation

70.

The process that involves oxidation of food to release energy is known as _____

a)

Breathing

b)

Excretion

c)

Circulation

d)

respiration

71.

what could be the possible explanation for the evolution of a four-chambered heart in mammals as opposed to a two-chambered heart in fishes?

a)

In fishes oxygenation of blood takes place in heart.

b)

Fishes have efficient gills.

c)

Fishes can store more energy than mammals.

d)

Fishes do not require energy to maintain their body temperature.

72.

What happens to the unused carbohydrates produced in the plant body?

a)

Gets broken down and dissipated as heat.

b)

Transported to stem in the form of glycogen.

c)

Expelled from plant body through excretion.

d)

Stored in the form of starch for future use.

73.

Saliva in the mouth converts _______ into _______________.

a)

Proteins, amino acids

b)

glycogen, glucose

c)

starch, maltose

d)

fats, vitamins

74.

Name the tissue in a leaf where plastids are present_____

a)

Endodermis

b)

Epithelial cell

c)

Mesophyll

d)

Mitochondria

75.

Choose the correct function of the given structure.

a)

Gaseous exchange

b)

Absorbs salt and water.

c)

Reabsorption of urea and uric acid

d)

none of these

76.

Name the tissue responsible for the transportation of sugar and amino acids in plants.

a)

Xylem

b)

Stomata

c)

root hairs

d)

Phloem

77.

Identify the structure.

a)

Nephron

b)

Alveolar sac

c)

Alimentary canal

d)

None of these

78.

Assertion: Lungs become empty after the forceful expiration.

Reason: The forcefully exhaled air is called the residual volume of air.

a)

Both A and R are true and R is the correct explanation of the A.

b)

Both A and R are true but R is not the correct explanation of the A.

c)

A is true but R is false.

d)

Both A and R are false.

79.

A: The length of the small intestine in cows is longer than in tigers.

R: Cellulose digestion takes lesser time than the digestion of flesh.

a)

Both A and R are true and R is the correct explanation of the A.

b)

Both A and R are true but R is not the correct explanation of the A.

c)

A is true but R is false.


d)

A is false but R is true.

80.

A: Walls of the intestine have numerous villi.

R: These villi increase the surface area of digestion.

a)

Both A and R are true but R is the correct explanation of the A.

b)

Both A and R are true but R is not the correct explanation of the A.

c)

A is true but R is false.

d)

A is false but R is true.

81.

A: Lipase helps in the emulsification of fats.

R: Lipase hydrolyses fats and oils.

a)

Both A and R are true and R is the correct explanation of the A.


b)

Both A and R are true and R is not the correct explanation of the A.


c)

A is true but R is false.

d)

A is false but R is true,

82.

A: When air is passed through lime water, it turns milky.

R: air contains 78% nitrogen and 21% oxygen.


a)

Both A and R are true and R is the correct explanation of the A.

b)

Both A and R are true and R is not the correct explanation of the A.

c)

A is true but R is false.

d)

A is false but R is true.

83.

Which Of The Following Statement Is Or Are Incorrect?

a)

All the living organisms need energy to perform various life processes.

b)

Energy is not required by an organism during sleep.

c)

Food is a kind of will which provides energy to all living organisms.

d)

Our body gets longest size in in early morning in the bed.

84.

Which Part Of Alimentary Canal Receives Bile From The Liver?

a)

Stomach

b)

Oesophagus

c)

Large intestine

d)

Small intestine

85.

When Air Is Blown From Mouth Into A Test-Tube Containing Lime Water, The Lime Water Turned Milky Due To The Presence Of

a)

Carbon dioxide

b)

Oxygen

c)

Nitrogen

d)

Water vapour

86.

Choose The Function Of The Pancreatic Juice From The Following

a)

Trypsin digests proteins and lipase carbohydrates

b)

Trypsin digests emulsified fats and lipase proteins

c)

Trypsin and lipase digest fats

d)

Trypsin digests proteins and lipase emulsified fats

87.

The only artery which carries deoxygenated blood is:

a)

Pulmonary artery

b)

Renal artery

c)

Hepatic artery

d)

Coronary artery

88.

How many chambers does a frog’s heart have?

a)

2

b)

3

c)

4

89.

Oxygenated blood reaches heart by

a)

Pulmonary artery

b)

Aorta

c)

Vena cava

d)

Pulmonary vein

90.

The color of blood plasma is:

a)

Red

b)

Yellowish green

c)

Pink

d)

Pale yellow

91.

The only reptile having 4- chambered heart is

a)

Snake

b)

Crocodile

c)

Lizard

d)

Turtle

92.

Which of the following organisms have single circulation?

a)

Fishes

b)

Mammals

c)

Birds

d)

Reptiles

93.

Kind of nutrition in which the organisms feed on dead and decaying organic matter is ____________

a)

Holozoic

b)

saprophytic

c)

parasitic

d)

autotrophic

94.

  1. Amoeba captures its food with the help of _________

a)

tentacles

b)

claws

c)

cillia

d)

pseudopodia

95.

Excess glucose is stored in the form of glycogen in the _____________

a)

pancreas

b)

gall bladder

c)

blood

d)

liver

96.

Guard cells are usually ___________________

a)

rectangular in shape

b)

pear-shaped

c)

spherical

d)

kidney shaped

97.

The blood vessels that carry blood back to the heart is ___________

a)

artery

b)

vein

c)

capillary

d)

platelets

98.

Nephrons pour their excretory products in _____________

a)

Uriniferous tubules

b)

collecting tubules

c)

kidneys

d)

ureter

99.

Nitrogenous waste are formed by the breakdown of _______

a)

ammonia

b)

fat

c)

aminoacids

d)

carbohydrates

100.

Pericardium is the protective membrane outside the _________

a)

Heart

b)

Kidney

c)

Lungs

d)

Stomach

101.

The largest artery in the human body is _________________

a)

pulmonary artery

b)

venacava

c)

capillaries

d)

aorta

102.

In the process of respiration __________________________

a)

ADP is converted into ATP

b)

Glucose is converted into carbondioxide

c)

glucose is converted into carbondioxide and water which releases energy

d)

pyruvic acid is converted into ATP

103.

In a neuron, conversion of electrical signal to chemical signal occurs at

a)

Axonal end

b)

Dendritic end

c)

Cell body

d)

Axon

104.

Correct sequence of electrical impulse transmission in a neuron is from

a)

dendrite, axon, axonal end,cell body

b)

cell body, dendrite, axon,axonal end

c)

dendrite, cell body, axon, axonal end

d)

axonal end, axon, cell body, dendrite

105.

Which is the correct sequence of the components of a reflex arc

a)

Receptors, spinal cord,sensory neuron, motor neuron, muscle

b)

Receptors, muscle, sensory neuron, motor neuron, spinal cord

c)

Receptors, sensory neuron, spinal cord, motor neuron, muscle

d)

Receptors, motor neuron, spinal cord, sensory neuron, muscle

106.

Posture and balance of the body is controlled by

a)

Cerebrum

b)

Cerebellum

c)

Medulla

d)

Pons

107.

Which is not a reflex action

a)

Swallowing

b)

Coughing

c)

Knee jerk

d)

Closing of eyes on flashing light

108.

Spinal cord originates from

a)

Cerebrum

b)

Medulla

c)

Cerebellum

d)

Pons

109.

Part of the brain that controls respiration, heart beat and peristalsis is

a)

Cerebrum

b)

Cerebellum

c)

Hypothalamus

d)

Medulla

110.

Most highly developed part of human brain is

a)

Pons

b)

Medulla

c)

Cerebrum

d)

Cerebellum

111.

Centre for regulating body temperature is

a)

Pons

b)

Cerebellum

c)

Medulla

d)

Hypothalamus

112.

In human, the number of cranial nerves is

a)

12

b)

31

c)

24

d)

26

113.

In humans, the number of spinal nerves is

a)

12 pairs

b)

31 pairs

c)

33 pairs

d)

11 pairs

114.

Thinking part of brain is

a)

Hind brain

b)

Mid brain

c)

Fore brain

d)

Hypothalamus

115.

Taste receptors are

a)

Phonoreceptors

b)

Statoreceptors

c)

Olfactory receptors

d)

Gustatory receptors

116.

The microscopic gap between two adjacent neurons throgh which a nerve impulse passes is

a)

Neurotransmitter

b)

Synapse

c)

Axon terminal

d)

Dendrite

117.

Which nerves arise from the brain and emerges through the skull

a)

Spinal nerves

b)

Thoracic nerves

c)

Cranial nerves

d)

Lumbar nerves

118.

Which of the following is an example of autonomous nervous system

a)

Knee jerk reflex

b)

Swallowing of food

c)

Peristalsis

d)

Reflex action

119.

Smooth muscles, cardiac muscle and organs are regulated by

a)

Central nervous system

b)

Autonomous nervous system

c)

Peripheral nervous system

d)

Somatic nervous system

120.

The thalamus and hypothalamus are located in the

a)

cerebrum

b)

cerebellum

c)

diencephalon

d)

medulla oblongata

121.

Part of the brain responsible for hearing is

a)

Cerebrum

b)

Cerebellum

c)

Hypothalamus

d)

Medulla

122.

The autonomic nervous system has control over

a)

Reflex actions

b)

Sense organs

c)

Skeletal muscles

d)

Internal organs

123.

A nerve cell is also known as a

answer choices

a)

cerebrum

b)

neuron

c)

cerebellum

d)

nucleus

124.

The gaps between neurons are called

answer choices

a)

Effectors

b)

neurotransmitters

c)

reflexes

d)

synapses

125.

Which part of the nervous system is not involved in producing reflex actions?

answer choices

a)

brain

b)

spinal cord

c)

receptor

d)

sensory

126.

What detects a stimulus?

answer choices

a)

A detector

b)

An effector

c)

A receptor

d)

A Simulator

127.

The neurons that conduct information towards the CNS are _________.

answer choices

a)

interneurons

b)

motor neurons

c)

sensory neurons

d)

efferent neurons

128.

The nerve cells in your body are called neurons. From which part of the neuron is most likely responsible for carrying signals between the cell body and axon terminal?

answer choices

a)

soma

b)

axon

c)

Node of Ranvier

d)

Schwann cell

129.

The central nervous system consists of the:

answer choices

a)

brain and spinal nerves

b)

spinal nerves and cranial nerves

c)

cranial nerves and spinal cord

d)

spinal cord and brain

130.

Which part of the eye is where images are converted to nerve impulses?

answer choices

a)

Retina

b)

Cornea

c)

Optic Nerve

d)

Lens

131.

Which is the correct sequence of the components of a reflex arc

a)

Receptors, spinal cord,sensory neuron, motor neuron, muscle

b)

Receptors, muscle, sensory neuron, motor neuron, spinal cord

c)

Receptors, sensory neuron, spinal cord, motor neuron, muscle

d)

Receptors, motor neuron, spinal cord, sensory neuron, muscle

132.

Which nerves arise from the brain and emerges through the skull

a)

Spinal nerves

b)

Thoracic nerves

c)

Cranial nerves

d)

Lumbar nerves

133.

The gaps between neurons are called

a)

Effectors

b)

neurotransmitters

c)

reflexes

d)

synapses

134.

Identify the part of the neuron labelled 1 in the diagram

a)

DENDRITE

b)

MYELIN

c)

NUCLEUS

d)

SYNAPSIS

135.

Which of the following is not a reflex action?

a)

BLINKING

b)

COUGHING

c)

SNEEZING

d)

EATING

136.
What is structure labeled D in the picture?
a)
Dendrite
b)
Axon
c)
Cell Body
d)
Axon Terminal
137.

Which of the following are involuntary actions?


I Riding a bicycle

II Heart beat

III Blinking eye

IV Peristalsis

a)

I and II

b)

I and III

c)

II and IV

d)

III and IV

138.

The brain is responsible for

a)

thinking

b)

balancing the body

c)

regulating the heart beat

d)

all of the above

139.

In a neuron, conversion of electrical signal to chemical signal occurs at

a)

Axonal end

b)

Dendritic end

c)

Cell body

d)

Axon

140.

Correct sequence of electrical impulse transmission in a neuron is from

a)

dendrite, axon, axonal end,cell body

b)

cell body, dendrite, axon,axonal end

c)

dendrite, cell body, axon, axonal end

d)

axonal end, axon, cell body, dendrite

141.

Which is the correct sequence of the components of a reflex arc

a)

Receptors, spinal cord,sensory neuron, motor neuron, muscle

b)

Receptors, muscle, sensory neuron, motor neuron, spinal cord

c)

Receptors, sensory neuron, spinal cord, motor neuron, muscle

d)

Receptors, motor neuron, spinal cord, sensory neuron, muscle

142.

Posture and balance of the body is controlled by

a)

Cerebrum

b)

Cerebellum

c)

Medulla

d)

Pons

143.

Which is not a reflex action

a)

Swallowing

b)

Coughing

c)

Knee jerk

d)

Closing of eyes on flashing light

144.

Spinal cord originates from

a)

Cerebrum

b)

Medulla

c)

Cerebellum

d)

Pons

145.

Part of the brain that controls respiration, heart beat and peristalsis is

a)

Cerebrum

b)

Cerebellum

c)

Hypothalamus

d)

Medulla

146.

Most highly developed part of human brain is

a)

Pons

b)

Medulla

c)

Cerebrum

d)

Cerebellum

147.

Centre for regulating body temperature is

a)

Pons

b)

Cerebellum

c)

Medulla

d)

Hypothalamus

148.

In human, the number of cranial nerves is

a)

12

b)

31

c)

24

d)

26

149.

In humans, the number of spinal nerves is

a)

12 pairs

b)

31 pairs

c)

33 pairs

d)

11 pairs

150.

Thinking part of brain is

a)

Hind brain

b)

Mid brain

c)

Fore brain

d)

Hypothalamus

151.

Taste receptors are

a)

Phonoreceptors

b)

Statoreceptors

c)

Olfactory receptors

d)

Gustatory receptors

152.

The microscopic gap between two adjacent neurons throgh which a nerve impulse passes is

a)

Neurotransmitter

b)

Synapse

c)

Axon terminal

d)

Dendrite

153.

Which nerves arise from the brain and emerges through the skull

a)

Spinal nerves

b)

Thoracic nerves

c)

Cranial nerves

d)

Lumbar nerves

154.

Which of the following is an example of autonomous nervous system

a)

Knee jerk reflex

b)

Swallowing of food

c)

Peristalsis

d)

Reflex action

155.

Smooth muscles, cardiac muscle and organs are regulated by

a)

Central nervous system

b)

Autonomous nervous system

c)

Peripheral nervous system

d)

Somatic nervous system

156.

The thalamus and hypothalamus are located in the

a)

cerebrum

b)

cerebellum

c)

diencephalon

d)

medulla oblongata

157.

Part of the brain responsible for hearing is

a)

Cerebrum

b)

Cerebellum

c)

Hypothalamus

d)

Medulla

158.

Thinking part of brain is

a)

Hind brain

b)

Mid brain

c)

Fore brain

d)

Hypothalamus

159.

A nerve cell is also known as a

answer choices

a)

cerebrum

b)

neuron

c)

cerebellum

d)

nucleus

160.

What is the eye an example of?

answer choices

a)

stimulus

b)

sense organ

c)

a relay neuron

d)

a part of nerve cell

161.

What detects a stimulus?

answer choices

a)

A detector

b)

An effector

c)

A receptor

d)

A Simulator

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