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General Science Online Mock Test – Question Answers

General Science Online Mock Test – Question Answers for competitive exams . This mock test having 72 questions in General Science, with four choices. On each click on answers system will tell you where the answers is correct or incorrect. You can view this General Science test question details at the end of the quiz.

General Science Question Answers

General Science Online Mock Test

General Science Question Answers

General Science questions answers are applicable for any kind of service related exam preparation in India like UPSC, SSC, TET and other competitive exams . You can practice as much as you can to gather knowledge of how to answers General Science critical type papers in short time and this can be a big factor for cracking all India level exam. Try Other Online Mock Test Free.



General Science Online Mock Test - Question Answers

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Question 1
The gland, which in relation to body size is largest at birth and then gradually shrinks after puberty, is?
A
Thyroid
B
Pituitary
C
Thymus
D
Adrenal
Question 2
Scratching eases itching because
A
it kills germs.
B
it suppresses the production of enzymes which cause itching,
C
it removes the outer dust in the skin.
D
it stimulates certain nerves which direct the brain to increase the production of antihistaminic chemicals.
Question 3
12. A human sperm may contain ? 1. X-chromosome 2. Y-chromosome 3. XY-chromosome
A
1 only
B
2 only
C
1 and 2
D
l,2 and 3
Question 4
What is Funny Bone?
A
A muscle
B
A nerve
C
A bone
D
A blood vessel
Question 5
The total number of bones in human skull are
A
8
B
12
C
30
D
32
Question 6
Bone deformities occur due to the excessive intake of
A
phosphorus
B
potassium
C
fatti acid
D
fluorine
Question 7
The blood pressure is the pressure of blood in
A
arteries
B
veins
C
auricles
D
ventricles
Question 8
Which collects the blood from the organs?
A
Arteries
B
Veins
C
Lungs
D
Nerves
Question 9
Which of the following is not a bone in the human body?
A
Sternum
B
Humerus
C
Pericardium
D
Tibia
Question 10
Which of the following statements is true for planktons?
A
They live on the surface of lake water.
B
They live on the bottom of lakes.
C
They live on the plants growing in water.
D
They live in the water column.
Question 11
An enzyme that works in an acidic medium is
A
pepsin
B
tiypsin
C
ptyalin
D
maltose
Question 12
Veins differ from arteries in having
A
thinner walls
B
strong walls
C
narrower lumen
D
valves to control direction of flow
Question 13
Poison glands of snakes are homologous to
A
stings of rays
B
salivary glands of vertebrates
C
electric organs of fishes
D
sebaccous glands of mammals
Question 14
The heart is covered by a membrane called
A
Epidermis
B
Dermis
C
Epicardium
D
Pericardium
Question 15
As in the arms and legs, blood flows against gravity and is prevented from flowing back by
A
the extremely low pressure of venous blood
B
valves
C
movements in the surrounding muscles
D
the narrowing down of the lumen of veins by the contraction of the muscle layer comprising their walls
Question 16
Which of the following glands controls the development of sex organs in humans?
A
Paancreas
B
Thyroid
C
Adrenal
D
Pituitary
Question 17
Which of the following is not a bone in the legs of human body?
A
Radius
B
Tibia
C
Femur
D
Fibula
Question 18
Which of the following components of blood protects human beings from infection?
A
Plasma
B
Blood Platelets
C
Haemoglobin
D
White Blood Corpuscles
Question 19
Which removes waste materials from the body?
A
Kidneys
B
Lungs
C
Heart
D
Brain
Question 20
The normal temperature of the human body is
A
90 F
B
98 F
C
98.4 F
D
96.4 F
Question 21
The population of which of the following is maximum on the earth?
A
Reptiles
B
Fishes
C
Birds
D
Beetles
Question 22
Which of the following when taken by pregnant women, is found to be the cause of deformed children?
A
Glycerol
B
Xylidine
C
Thalidomide
D
None of these
Question 23
One nano metre =
A
10Aº
B
11Aº
C
12Aº
D
10.5Aº
Question 24
The lungs are covered by two membrances called as _______
A
Veins
B
Air sacs
C
pleura
D
none of these
Question 25
The mean distance of sun from the earth is called
A
Astronomical units
B
Lightyear
C
Astrological units
D
Angstroms
Question 26
Which of the following bone articulations forms the gliding joint?
A
Humenis and radius
B
Carpals
C
Hip girdle and femur
D
Skull & neck verterbrae
Question 27
How many teeth will the children have?
A
10
B
15
C
28
D
20
Question 28
The respiration is carried on by
A
Kidneys
B
Brain
C
Intestine
D
Lungs
Question 29
Which of the following organs is used in the purification of blood in human body?
A
Liver
B
Kidney
C
Spleen
D
Lungs
Question 30
Bile juice is secreted by
A
Pancreas
B
Liver
C
Spleen
D
Gall bladder
Question 31
Pituitary gland is present
A
below the brain
B
above the brain
C
inside the brain
D
nowhere near the brain
Question 32
Element that is not found in blood is
A
iron
B
copper
C
chromium
D
magnesium
Question 33
Disease caused by HIV virus is
A
mumps
B
plague
C
AIDS
D
tuberculosis
Question 34
Which is the outer protective cover of the body?
A
Skeleton
B
Hair
C
Skin
D
None of these
Question 35
What is the temperature of boiling water?
A
100ºC
B
32ºC
C
180ºF
D
32ºF
Question 36
What is the main function of insulin in the hman body?
A
To maintain blood pressure
B
To help in digestion of food
C
To control the level of sugar in the body
D
To check the level of iodine in the body
Question 37
In the case of a ‘Test-tube baby’?
A
fertilisation takes place inside the test tube.
B
development of the baby takes place inside the test tube.
C
fertilisation takes place outside the mother body.
D
unfertilised egg develops inside the test tube.
Question 38
Man cannot digest cellulose whereas cows can do so because?
A
their gut contains bacteria capable of digesting cellulose.
B
they have a many – chambered stomach.
C
they have efficient grinding molars.
D
they produce an enzyme cellulase which can digest cellulose.
Question 39
Oxygen is transported to every cell of the human body by?
A
red blood cells
B
blood platelets
C
white blood cells
D
hormones
Question 40
Excess of fat in the body is stored in
A
Adipose tissue
B
Acrosome
C
Connective tissue
D
Bone marrow
Question 41
What is the correct sequence of the following in heart attack? 1. Narrowing of the inner orifice of the vessel 2. ‘Plaque’ from fibrous tissue and high cholesterol 3. Inadequate supply of blood and oxygen 4. Clots of blood carried into the coronary arteries
A
1,2,3,4
B
2,4, 1,3
C
2, 3, 1, 4
D
4, 2, 1 3
Question 42
How many lungs are present in the human body?
A
1
B
2
C
3
D
none of these
Question 43
Duodenum is situated
A
at the uppermost part of the small intestine
B
near the lungs
C
in the brain
D
at the tail end of the intestine
Question 44
Which of the following is well developed and functional in grazing animals?
A
Appendix
B
Liver
C
Duodenum
D
Rectum
Question 45
Rennin and lactase, the enzymes required to digest milk, disappear in the human body by the age of
A
two
B
three
C
five
D
eight
Question 46
The force is the product of _____
A
velocity and acceleration
B
the speed and acceleration
C
mass and speed
D
mass and acceleration
Question 47
Insects form the largest class of animals living on land and sea. They are grouped into
A
22 orders
B
26 orders
C
29 orders
D
32 orders
Question 48
Bleeding from artery is characterised by which of the following? 1. Blood is red. 2. Blood is purple. 3. Bleeding is continuous. 4. Bleeding is intermittent.
A
1 and 3
B
2 and 3
C
1 and 4
D
2 and 4
Question 49
Cornea is a part of which of the following organs of human body?
A
Eye
B
Ear
C
Nose
D
Heart
Question 50
Which of the following is not a vestigial organ?
A
Centriole
B
Molar tooth
C
Appendix
D
Diaphragm
Question 51
If a person can see an object clearly when it is placed at distance of about 25 cm away from him, he is suffering from
A
myopia
B
hypermetropia
C
astigmatism
D
None of these
Question 52
Who among the following has normal blood pressure?
A
Mrs. Y
B
Mr. X
C
Mrs. X
D
Mr. Y
Question 53
Which of the following has the smallest egg?
A
Ostrich
B
Humming bird
C
Pigeon
D
Homo sapiens
Question 54
Liver and pancreas are the ________ glands.
A
blood clear
B
digestive
C
breathing
D
none of these
Question 55
The largest cell in the human body is
A
Nerve cell
B
Muscle cell
C
Liver cell
D
Kidney cell
Question 56
Units which can be expressed in terms of two or more fundamental units of mass or called____ units
A
Derived
B
defined
C
undefined
D
underived
Question 57
Which of the following activities is suppressed by the presence of auxins in plants?
A
Growth of lateral buds
B
Cell division
C
Root initiation
D
Development of fleshy fruits
Question 58
Pancreas secretes hormones which help in
A
blood clotting
B
production of antibodies
C
growth of body
D
keeping sugar balance in body
Question 59
Consider the following statements regarding blood pressure: 1. It is the pressure exerted by the blood on the walls of any vessel. 2. It decreases in the arteries as the distance from the heart increases, 3. It is lower in the capillaries than in the arteries. 4. It is usually lower in women than in men. Of these, the correct ones are
A
1 and 4
B
l, 2and 3
C
2,3 and 4
D
l,2,3 and 4
Question 60
_________ is a sticky substance in saliva and provides easy movement for food.
A
Insulin
B
Amylase
C
Mucin
D
none of these
Question 61
Which of the following is a long tube and wind pipe?
A
Bronchi
B
Nasal canal
C
Pharnyx
D
Trachea
Question 62
S-A node of mammalian heart is known as
A
Autoregulator
B
Pace-maker
C
Time controller
D
Beat regulator
Question 63
The phylum chordata is characterised by the presence of
A
spinal cord
B
notochord
C
nerve chord
D
None of these
Question 64
Nose opens at the uuper end of _____ through a pair of internal nostrils.
A
Larnyx
B
Trachea
C
Pharnyx
D
none of these
Question 65
The normal temperature of a human body is _____
A
98.4ºC
B
98.4ºF
C
99.0ºC
D
99.0ºF
Question 66
Phenylketonuria is an example of an inborn error of metabolism. This ‘error’ refers to
A
hormonal overproduction
B
non disjunction
C
atrophy of endocrine glands
D
inherited lack of an enzyme
Question 67
The diploid number of chromosomes in human body is ?
A
24
B
40
C
46
D
48
Question 68
Which of the following is not a part of the alimentary canal?
A
Mouth
B
Stomach
C
Small intestine
D
lungs
Question 69
Identical twins arise when two
A
cells develop independently from the same zygote
B
gametes develop independently
C
sperms develop independently
D
ova develop independently
Question 70
Root part is represented in a mature emryo by
A
plumule
B
radicle
C
chalaza
D
cotyledons
Question 71
Lichens are formed due to the symbiotic association of
A
moss and fungi
B
bacteria and fungi
C
algae and fungi
D
None of these
Question 72
What is inner lining of the alimentary canal called ?
A
oesophagus
B
Mucous membrance
C
Muscle
D
Muscular
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