Which element has the most % in human body...? Mcqs

PPSC Past Papers

Latest MCQs

Which element has the most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

Comments
Latest MCQs

An area of microbiology that is concerned with the occurence of disease in human population is...?

(A) Immunology
(B) Paracitology

(C) Epidemiology
(D) none

Comments
Latest MCQs

Which of following is not a digestive enzyme in human body...?

(A) Pepsin
(B) Trypsin

(C) Gastrin
(D) Ptyalin

Comments
Latest MCQs

Animals, plants, human beings and microorganisms etc is/are an examples of...?

(A) Living Components
(B) Biotic Factors

(C) Both A and B
(D) Abiotic Factors

Comments
Latest MCQs

A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Nuclear fission

Comments
Latest MCQs

Elements are made of _________...?

(A) Atoms
(B) Molecules

(C) H2O
(D) Compounds

Comments
Latest MCQs

The property decides the order of elements in the modern periodic table is ____...?

(A) The number of neutrons in the nucleus
(B) The number of electrons in the outermost shell

(C) The number of protons (atomic number) in the nucleus
(D) The atomic mass of the element

Comments
Latest MCQs

The elements in ecosystem recycle through organisms with environment is called ____...?

(A) Food chain
(B) Food web

(C) Chemical cycle
(D) Biogeochemical

Comments
Latest MCQs

If an element B has five protons and six neutrons what will be the symbol of element B _____...?

(A) 115B
(B) 11B

(C) 115B
(D) None

Comments
Latest MCQs

The ‘stone’ formed in human kidney consist mostly of_____________...?

(A) Calcium oxalate
(B) Sodium acetate

(C) Magnesium sulphate
(D) Calcium

Comments
Latest MCQs

Elements which have same number of protons but different number of neutrons are called as _________ ...?

(A) Isotopes
(B) Isomers

(C) Allotropes
(D) Allomers

Comments
Latest MCQs

Which one of the following elements the drum of a Photostat machine is made up of: _________...?

(A) Aluminium
(B) Selenium

(C) Barium
(D) None of these

Comments
Latest MCQs

According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size
(B) Atomic Mass

(C) Atomic Radius
(D) Atomic Number

Comments
Latest MCQs

Which is the most electro-negative element among the following _________...?

(A) Fluorine
(B) Bromine

(C) Sodium
(D) Oxygen

Comments
Latest MCQs

Which of the following elements is not present abundantly in earth’s crust ...?

(A) Silicon
(B) Radium

(C) Aluminum
(D) Carbon

Comments
Latest MCQs

All Transition Elements are _____...?

(A) Gases
(B) Metals

(C) Nonmetals
(D) Metalloids

Comments
Latest MCQs

The position of an element in the Periodic Table is determined by its __________ number...?

(A) Electron
(B) Proton

(C) Neutron
(D) None of these

Comments
Latest MCQs

The most abundant element in the universe is __________....?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

Comments
Latest MCQs

Isotopes of an element are identical in ____...?

(A) Mass number
(B) Electron number

(C) Valency
(D) Atomic number

Comments
Latest MCQs

An atom of an element has 11 protons, 11 electrons and 12 neutrons. The atomic mass of an atom is...?

(A) 11
(B) 12

(C) 22
(D) 23

Comments
Latest MCQs

The three elements needed for healthy growth of plants are __________...?

(A) N, P, K
(B) N, C, P

(C) N, K,
(D) N, S, P

Comments
Latest MCQs

"A chemical compound always contains the same elements combined together in the same proportion or ratio" is the statement of ____...?

(A) Law of Multiple Proportions
(B) Law of Conservation of Mass

(C) Law of Reciprocal Proportions
(D) Law of Constant Composition

Comments
Latest MCQs

The most abundant element in sea water is...?

(A) Chlorine
(B) Sodium

(C) Sulfur
(D) Magnesium

Comments
Latest MCQs

Which element is called earth maker...?

(A) Oxygen
(B) Silicon

(C) Carbon
(D) Hydrogen

Comments
Latest MCQs

Which natural element has the highest melting point...?

(A) Iron
(B) Tungsten

(C) Copper
(D) Silver

Comments
Latest MCQs

The element used in lead pencils is__________...?

(A) Zinc
(B) Lead

(C) Carbon
(D) Tin

Comments
Latest MCQs

Bio elements considered as vital for life are ______ members or in numbers....?

(A) 13
(B) 12

(C) 14
(D) 16

Comments
Latest MCQs

According to Quark theory, there are _________ elementary particles....?

(A) Three
(B) Six

(C) Nine
(D) Ten

Comments
Latest MCQs

Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids
(B) Carbohydrates

(C) Nitrates
(D) Proteins

Comments
Latest MCQs

The number shown below the symbol of element is called...?

(A) Mass Number
(B) Atomic Number

(C) Valance Number
(D) Atomic Mass

Comments
Latest MCQs

The most abundant element in the Earth’s crust is __________...?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

Comments
Latest MCQs

The heaviest man made element found so for is__________...?

(A) Promethium
(B) Ununoctium

(C) Francium
(D) Technetium

Comments
Latest MCQs

The element common to all acids is:__________...?

(A) Hydrogen
(B) Carbon

(C) Sulphur
(D) Oxygen

Comments
Latest MCQs

In periodic table elements are arranged according to ____...?

(A) Increasing atomic mass
(B) Decreasing atomic number

(C) Both A and B
(D) Increasing in atomic number

Comments
Latest MCQs

Heating element of an electric heater is made up of___________...?

(A) Tungsten
(B) Graphite

(C) Chromium
(D) Nichrome

Comments
Latest MCQs

The study of rearing fine and intelligent human beings through genetics is called__________...?

(A) Eugenics
(B) Biotechnology

(C) Cloning
(D) Geneology

Comments
Latest MCQs

The number shown above the symbol of element is called...?

(A) Mass Number
(B) Valency

(C) Atomic Number
(D) Oxidation State

Comments
Latest MCQs

Deficiency of Vitamin __________ causes Sailors Disease in human...?

(A) Vitamin A
(B) Vitamin K

(C) Vitamin C
(D) Vitamin D

Comments
Latest MCQs

What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

Comments
Latest MCQs

The atoms of same element which have the same atomic number but different mass numbers are known as...?

(A) Isotopes
(B) Isoelectronic

(C) Isomers
(D) Isobars

Comments
Latest MCQs

Which among the following is correct about Saliva of a Healthy Human...?

(A) It is slightly acidic
(B) It is slightly saline

(C) It is slightly alkaline
(D) It is neutral

Comments
Latest MCQs

Pollutants that are introduced into the environment by human activity are called as ___________...?

(A) Qualitative pollutants
(B) Quantitative pollutants

(C) Anthropogenic pollutant
(D) All of Above

Comments
Latest MCQs

Which are the only two elements on the periodic table that are liquid at room temperature...?

(A) Mercury and Bromine
(B) Carbon and helium

(C) Nitrogen and Hydrogen
(D) Oxygen and Neon

Comments
Latest MCQs

Which is the most abundant element in the atmosphere...?

(A) Nitrogen
(B) Hydrogen

(C) Nickle
(D) Oxygen

Comments
Latest MCQs

How many muscles in human body...?

(A) 632
(B) 639

(C) 642
(D) None of these

Comments
Latest MCQs

How many teeth are there in human mouth...?

(A) 30
(B) 33

(C) 32
(D) 31

Comments
Latest MCQs

The Latin word of the name given to a human being Homo Sapiens, include the: __________...?

(A) Genus & Family
(B) Family & Order

(C) Genus & Class
(D) Genus & Species

Comments
Latest MCQs

Nuclear radiation is emitted by those elements whose:...?

(A) molecules are stable
(B) molecules are unstable

(C) nuclei are stable
(D) nuclei are unstable

Comments
Latest MCQs

A (an) ________ is the smallest possible particle of an element that can combine to form new compounds....?

(A) Molecule
(B) Atom

(C) Compound
(D) Element

Comments
Latest MCQs

Which element has the second most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

Comments
Latest MCQs

Element extracted from Sea water...?

(A) Beryllium
(B) Magnesium

(C) Aluminium
(D) None of These

Comments
Latest MCQs

Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

Comments
Latest MCQs

Alzheimer’s disease in human beings is characterized by the degeneration of _______...?

(A) Kidney cells
(B) Nerve cells

(C) Liver cells
(D) Spleen cells

Comments
Latest MCQs

How many elements are in modern periodic table...?

(A) 118
(B) 181

(C) 108
(D) 188

Comments
Latest MCQs

In whole Periodic Table which element Is Most Reducing Agent ...?

(A) Chlorine
(B) lithium

(C) Helium
(D) Neon

Comments
Latest MCQs

The main culprit of greenhouse effect is Carbon dioxide. But which is the second element contributing most to greenhouse effect...?

(A) Nitrogen Dioxide (NO2)
(B) Chlorofluorocarbons (CFCs)

(C) Methane (CH4)
(D) High-fructose corn syrup (HFCs)

Comments
Latest MCQs

The process in which nuclei of heavy elements are broken into lighter nuclei and produce a large amount of heat energy is called...?

(A) Fusion
(B) Geometry

(C) Regales
(D) Fission

Comments
Latest MCQs

If order and corresponding element of the matrices are same then matrices are said to be...?

(A) scalar
(B) diagonal

(C) equal
(D) rectangular

Comments
Latest MCQs

The neutral atoms of all of the isotopes of the same element have _______...?

(A) Different numbers of protons
(B) Exact numbers of neutrons

(C) An exact number of protons
(D) An exact number of nucleons

Comments
Latest MCQs

What is the first element in the periodic table...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

Comments
Latest MCQs

An element that does not occur in nature but can be produced artificially is__________...?

(A) Plutonium
(B) Uranium

(C) Radium
(D) Thorium

Comments
Latest MCQs

Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

Comments
Latest MCQs

The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

Comments
Latest MCQs

Which of the following circuit elements is used to ‘block’ DC in an electronic circuit ...?

(A) Resistances
(B) Capacitance

(C) Inductance
(D) Diode

Comments
Latest MCQs

Which element has the third most % in human body...?

(A) Oxygen 65%
(B) Calcium 75%

(C) Hydrogen 10%
(D) Carbon 18%

Comments
Latest MCQs

Which of the following vitamins promote healthy functioning of eyes in human beings...?

(A) Vitamin B
(B) Vitamin C

(C) Vitamin A
(D) Vitamin D

Comments
Latest MCQs

Which element is used as moderator in nuclear reactor...?

(A) Light water
(B) Dense water

(C) Fresh water
(D) Heavy water

Comments
Latest MCQs

The most abundant element in human body is __________...?

(A) Hydrogen
(B) Blood

(C) Oxygen
(D) Protein

Comments

MCQs Categories


Best of Luck

From ShineGk.com

Share our website's link