Biology Online Quiz Test 03

Here is the list of Free Biology Quiz Test 03 with answers for the Preparation of Competitive Exams in FPSC, PPSC, SPSCKPPSC, CSS, PMS, NTS, ISSB, LAT, etc. This Biology Quiz with Answers will help you to secure maximum marks in upcoming academic as well as competitive exams in Pakistan

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Biology Online Quizzes

Biology Quiz Test 03 test contains multiple-choice questions with answers for competitive exam preparation. We have provided Biology online quizzes below which include questions related to different topics.

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Biology Quiz Test 03

One of the following is not a function of bones
(A) Support
(B) Production Of Blood Cells
(C) Protein Synthesis
(D) Muscle Attachment

Answer
Protein Synthesis

Movement of cell against concentration gradient is called
(A) Active Transport
(B) Osmosis
(C) Diffusion
(D) Both B And C

Answer
Active Transport

Pollination is best defined as
(A) Germination Of Pollen Grains
(B) Transfer Of Pollen From Anther To Stigma
(C) Formation Of Pollen Grains
(D) None of these

Answer
Transfer Of Pollen From Anther To Stigma

DNA structure was first described by
(A) Pasteur
(B) Robert Koch
(C) Watson And Crick
(D) Carlous Linnaues

Answer
Watson And Crick

The most abundant element in the Earth’s atmosphere is
(A) Oxygen
(B) Nitrogen
(C) Hydrogen
(D) Carbon Dioxide

Answer
Nitrogen

Haemodialysis means cleaning of
(A) Urine
(B) Blood
(C) Glomerular Filterate
(D) Coelomic Fluid

Answer
Blood

Production of sweat and sebum is related with
(A) Skin
(B) Liver
(C) Lungs
(D) GIT

Answer
Skin

The evaporative cooling in the respiratory tract of dogs is called
(A) Vasodilation
(B) Vasoconstriction
(C) Panting
(D) All of the above

Answer
Panting

What is the most common dermatological condition?
(A) Acne Vulgaris
(B) Necrotising Fasciitis
(C) Sunburn
(D) Rosacea

Answer
Acne Vulgaris

A device which converts chemical energy into electrical energy is called
(A) motor
(B) generator
(C) moving-coil meter
(D) battery

Answer
battery

The most densest substance on the Earth is
(A) Platinum
(B) Copper
(C) Steel
(D) Osmium

Answer
Osmium

A camera uses a __________ to form an image.
(A) convex lens
(B) concave lens
(C) condenser lens
(D) none of these

Answer
convex lens

The SI unit of pressure is
(A) pascal
(B) joule
(C) tesla
(D) henry

Answer
pascal

Each day human body breathe in __________ liters of air
(A) 5,000 to 10,000
(B) 10,000 to 15,000
(C) 15,000 to 20,000
(D) 20,000 to 25,000

Answer
15,000 to 20,000

Deficiency of Vitamin-D results in
(A) rickets
(B) scurvy
(C) hair fall
(D) night blindness

Answer
rickets

The most abundant element in the Earth’s crust is
(A) Oxygen
(B) Hydrogen
(C) Carbon Dioxide
(D) Silicon

Answer
Oxygen

The most abundant element in the universe is
(A) Oxygen
(B) Hydrogen
(C) Carbon Dioxide
(D) Silicon

Answer
Hydrogen

The average adult has a blood volume of about __________ liters
(A) 4
(B) 5
(C) 6
(D) 7

Answer
5

The gas used in a refrigerator to cool water is
(A) Nitrogen
(B) Carbon dioxide
(C) Methane
(D) Ammonia

Answer
Ammonia

The Sun is a
(A) Star
(B) Planet
(C) Asteroid
(D) Meteor

Answer
Star

During winter in cold countries, the __________ is mixed to melt the ice on the icy roads
(A) Salt
(B) Chlorine
(C) Carbon dioxide
(D) Water

Answer
Salt

The fluid part of blood is known as
(A) plasma
(B) platelets
(C) blood cells
(D) None of these

Answer
plasma

The lifespan of White Blood Cells is __________ day(s)?
(A) 1 – 5 days
(B) 3 – 7 days
(C) 4 – 8 days
(D) 5 – 21 days

Answer
5 – 21 days

Sound waves are _________ waves
(A) Transverse
(B) Electromagnetic
(C) Longitudinal
(D) None of these

Answer
Longitudinal

Instrument used for measuring very high temperature is
(A) Pyroscope
(B) Pyrometer
(C) Seismograph
(D) None of these

Answer
Pyrometer

1 nanometer = ?
(A) 10-3 meter
(B) 10-6 meter
(C) 10-9 meter
(D) None of these

Answer
10-9 meter

The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water
(A) 1 gram
(B) 10 grams
(C) 1 kg
(D) 10 kg

Answer
1 kg

Which from the following is NOT a conductor?
(A) Aluminium
(B) Gold
(C) Graphite
(D) All are conductors

Answer
All are conductors

CNG stands for?
(A) Converted Natural Gas
(B) Conduced Natural Gas
(C) Conducted Natural Gas
(D) Compressed Natural Gas

Answer
Compressed Natural Gas

Which from the following is true for “Sound”?
(A) Sound cannot travel through a vacuum
(B) Sound cannot travel through gases
(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids

Answer
Sound cannot travel through a vacuum

The principal constituent of the atmosphere of the Earth is?
(A) Oxygen
(B) Carbon
(C) Hydrogen
(D) Nitrogen

Answer
Nitrogen

Einstein’s famous equation which states that mass and energy are interchangeable is?
(A) E = mc2
(B) E = cm2
(C) M = ec2
(D) M = ce2

Answer
E = mc2

Biosensor is used to measure?
(A) Blood glucose level
(B) The body pH value
(C) Amount of hemoglobin
(D) Salinity in Urine

Answer
Blood glucose level

According to Big Bang Theory, the Universe began about __________ billion years ago
(A) 10 – 20
(B) 20 – 30
(C) 30 – 40
(D) 40 – 50

Answer
10 – 20

The planets visible to us without using a telescope are
(A) 3
(B) 4
(C) 5
(D) 6

Answer
5

The Great Spot is on the planet
(A) Saturn
(B) Venus
(C) Mars
(D) Jupiter

Answer
Jupiter

1 light year = ?
(A) 9.5×106 km
(B) 9.5×109 km
(C) 9.5×1012 km
(D) 9.5×1018 km

Answer
9.5×1012 km

The bodyguard of the Earth is __________ that save the Earth from many Comets and Asteroids
(A) Mars
(B) Saturn
(C) Uranus
(D) Jupiter

Answer
Jupiter

The planet which is easily visible from the Earth is?
(A) Mercury
(B) Venus
(C) Mars
(D) Jupiter

Answer
Venus

Diamond is an allotropic form of
(A) Carbon
(B) Hydrogen
(C) Nitrogen
(D) Silicon

Answer
Carbon

The SI unit of Heat is
(A) Watt
(B) Volt
(C) Joule
(D) Newton

Answer
Joule

The good sources of Vitamin-A are?
(A) green leafy vegetables
(B) seeds
(C) fresh vegetables and fruits
(D) sea foods

Answer
green leafy vegetables

The Carbon Dioxide in the atmosphere, by volume, is
(A) 0.039%
(B) 3.9%
(C) 13%
(D) 30%

Answer
0.039%

Meteorology is the study of?
(A) Seasons
(B) Atmosphere
(C) Air and sounds
(D) Winds and clouds

Answer
Atmosphere

Digestion of food is completed in the
(A) small intestine
(B) stomach
(C) large intestine
(D) Liver

Answer
small intestine

The Carbon Dioxide in the atmosphere, by volume, is
(A) 0.039%
(B) 3.9%
(C) 13%
(D) 30%

Answer
0.039%

Deficiency of __________ causes loss of appetite and poor growth?
(A) zinc
(B) iodine
(C) copper
(D) iron

Answer
zinc

What is Dry Ice?
(A) Solid Oxygen
(B) Solid Carbon Dioxide
(C) Solid Hydrogen
(D) Solid Nitrogen

Answer
Solid Carbon Dioxide

What is Dry Ice?
(A) Solid Oxygen
(B) Solid Carbon Dioxide
(C) Solid Hydrogen
(D) Solid Nitrogen

Answer
Solid Carbon Dioxide

For proper formation of teeth, __________ is essential? 1 Comment / Everyday Science / By admin iodine copper fluorine iron Carrot is good source of Vitamin _______?
(A) Vitamin A
(B) Vitamin B
(C) Vitamin C
(D) Vitamin D

Answer
Vitamin A

For proper formation of teeth, __________ is essential?
(A) iodine
(B) copper
(C) fluorine
(D) iron

Answer
fluorine

Which organism is known as the powerhouse of the cell?
(A) organ powerhouse
(B) cell membrane
(C) cytoplasm
(D) mitochondria

Answer
mitochondria

The age of trees is estimated by
(A) Their elongation of roots
(B) Their weights
(C) Their heights
(D) Counting the number of annual rings

Answer
Counting the number of annual rings

Which of the following is a petro plant?
(A) Aak
(B) Pongamia
(C) Jatropha
(D) All of these

Answer
Jatropha

The chief constituent of cotton is
(A) Fatty acid
(B) Glycerine
(C) Protein
(D) Cellulose

Answer
Cellulose

The process of evaporation occurs from
(A) Entire plants surface
(B) Leaf
(C) Stem
(D) Root

Answer
Leaf

Saffron is obtained from which part of plants?
(A) Stigma and style
(B) Leaves
(C) Stem
(D) Roots

Answer
Stigma and style

A typical human ribcage consists of how many ribs?
(A) 12
(B) 14
(C) 16
(D) 24

Answer
24

In which of the following chlorophyll does not exist
(A) Fungi
(B) Taridophytes
(C) Fungi
(D) Algae

Answer
Fungi

Tibia is a bone found in the
(A) Skull
(B) Leg
(C) Face
(D) Arm

Answer
Leg

In which one following animals is respiration done by skin?
(A) Chameleon
(B) Frog
(C) Sea horse
(D) Flying fish

Answer
Frog

Which one of the following is a vitamin?
(A) Glutamic acid
(B) Linoleic acid
(C) Folic acid
(D) Citric acid

Answer
Folic acid

A seed is ripened
(A) Ovary
(B) Ovule
(C) Gynoecium
(D) Flower

Answer
Ovule

Chilgoza is obtained from
(A) Ginkgo
(B) Sellaginella
(C) Pinus
(D) Cycus

Answer
Pinus

Cloves, used as a spice are derived from which of the following plant parts?
(A) Flower buds
(B) Leaves
(C) Fruits
(D) Seeds

Answer
Flower buds

Process by which plants prepare their food is
(A) Photosynthesis
(B) Photorespiration
(C) Metabolic synthesis
(D) Carbohydrolysis

Answer
Photosynthesis

The hotness or pungency of chili pepper is due to
(A) Capsaicin
(B) Argenol
(C) Cucumin
(D) Sorbitol

Answer
Capsaicin

The edible part of the potato is
(A) Stem
(B) Root
(C) Bud
(D) Fruit

Answer
Stem

Who are more likely to get tape worms?
(A) Meat eaters
(B) Pork eaters
(C) Beef eaters
(D) Fish eaters

Answer
Pork eaters

Edberd Gener had invented
(A) inoculation of tuberculosis
(B) inoculation of AIDS
(C) inoculation of polio
(D) inoculation of small pox

Answer
inoculation of small pox

A deficiency of which one of the following minerals is most likely to lead to an immunodeficiency?
(A) Calcium
(B) Zinc
(C) Copper
(D) Lead

Answer
Copper

A flightless bird found in the New Zealand is
(A) Alvetras
(B) Penguin
(C) Ostrich
(D) Kiwi

Answer
Kiwi

Which one among the following is the largest monkey?
(A) Howler monkey
(B) Spider monkey
(C) Gorilla
(D) Baboon

Answer
Baboon

Green plants in the sea are useful for respiration of flash because they
(A) take oxygen and carbon dioxide simultaneously
(B) release oxygen and carbon dioxide simultaneously
(C) release carbon dioxide
(D) release oxygen

Answer
release oxygen

How much protein a working woman must intake every day?
(A) 39g
(B) 40g
(C) 37g
(D) 45g

Answer
45g

The macro nutrients provided inorganic fertilizers are
(A) magnesium, phosphorous and potassium
(B) magnesium, zinc and iron
(C) magnesium, manganese and sulphur
(D) carbon, iron and boron

Answer
magnesium, manganese and sulphur

The Hepatitis B, which affects liver, is actually
(A) Protozoan
(B) Bacterium
(C) Helminth
(D) Virus

Answer
Virus

Which one of the following parts of the pitcher plant becomes modified into a pitcher?
(A) Stem
(B) Leaf
(C) Stipule
(D) Petiole

Answer
Leaf

Which of the following sets contains foods rich in carbohydrates?
(A) Rice, lemon and mustard oil
(B) Banana, potato and rice
(C) Wheat, ghee and spinach
(D) Potato, ghee and cucumber

Answer
Banana, potato and rice

Which one of the following is an insectivorous plant?
(A) Pitcher plant
(B) Flame of the forest
(C) Night queen
(D) Passion flower plant

Answer
Pitcher plant

Which disease is caused by the deficient of vitamin B1?
(A) Measles
(B) Mumps
(C) Beriberi
(D) Scratch

Answer
Beriberi

Which disease is caused by the deficient of vitamin B1?
(A) Measles
(B) Mumps
(C) Scratch
(D) Beriberi

Answer
Beriberi

The food poisoning is caused by
(A) Clostrideam titeni
(B) Clostrideam boutulium
(C) Salmonella toyphosis
(D) Baslils anthresis

Answer
Clostrideam boutulium

Higher plants take up nitrogen as
(A) Nitrities only
(B) Nitrates only
(C) Urea
(D) Nitrates and Ammonia

Answer
Nitrates and Ammonia

Enzymes are produced by
(A) endocrine glands
(B) exocrine glands
(C) spleen
(D) liver

Answer
exocrine glands

The larva of the frog is called as
(A) eaterpelar
(B) peupa
(C) tadpole
(D) megot

Answer
tadpole

Which one of the following organs breaks fat to produce cholesterol?
(A) Intestine
(B) Kidneys
(C) Liver
(D) Lungs

Answer
Liver

Which of the following has the largest number of chromosomes?
(A) angiosperm
(B) elephants
(C) human beings
(D) pteridophytes

Answer
pteridophytes

Which one of the following is responsible for converting milk into curd?
(A) Fungi
(B) Bacteria
(C) Virus
(D) None of these

Answer
Bacteria

Which one of the following is a vitamin?
(A) Citric acid
(B) Folic acid
(C) Glutamic acid
(D) Linoleic acid

Answer
Folic acid

Which chamber of human heart pumps fully oxygenated blood to aorta and hence to the body?
(A) Right Auricle
(B) Left Auricle
(C) Right Ventricle
(D) Left Ventricle

Answer
Left Ventricle

Which one of the following bacteria helps in improving the soil fertility?
(A) Clostridium
(B) Rhizobium
(C) Salmonella
(D) Staphylococcus

Answer
Rhizobium

In which one of the following animals is respiration done by skin?
(A) Flying fish
(B) Sea horse
(C) Frog
(D) Chameleon

Answer
Frog

Which one of the following parts of the pitcher plant becomes modified into a pitcher?llowing is a function of the liver?
(A) Stem
(B) Leaf
(C) Stipule
(D) Petiole

Answer
Leaf

Production of which one of the following is a function of the liver?
(A) Lipase
(B) Urea
(C) Mucus
(D) Hydrochloric acid

Answer
Urea

Which one of the following part of human brain is the regulating centre for swallowing and vomiting?
(A) Cerebellum
(B) Cerebrum
(C) Medulla oblongata
(D) Pons

Answer
Medulla oblongata

How do most insects respire?
(A) Through skin
(B) Through gills
(C) By lungs
(D) By trachea system

Answer
By trachea system

From the evolutionary point of view, which one of the following is closer to man?
(A) Dolphin
(B) Flying fish
(C) Shark
(D) Tortoise

Answer
Dolphin

In which one of the following, antibody formations takes place?
(A) RBC’s
(B) Blood platelets
(C) Blood Plasma
(D) Donnan’s membrane

Answer
Blood Plasma

Which one of the following is a primate?
(A) Bear
(B) Otter
(C) Loris
(D) Pangolin

Answer
Loris

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