Everyday Science Mock Test 10

The Sun is at an average distance of about________ million kilometers away from Earth?

1 Mark(s)

Your Answer:

100 million 100 million
150 million 150 million
200 million 200 million
250 million 250 million

Titration accuracy depends on:

1 Mark(s)

Your Answer:

Proper indicator choice Proper indicator choice
Volume measurement only Volume measurement only
Concentration only Concentration only
Temperature Temperature

Loricifera described in__________?

1 Mark(s)

Your Answer:

1900 1900
1983 1983
1970 1970
1960 1960

A series of hypothesis supported by the results of many tests is called ?

1 Mark(s)

Your Answer:

Scientific law Scientific law
Theory Theory
Data Data
Deduction Deduction

Which of the following is not the name of any scientist?

1 Mark(s)

Your Answer:

Pauli exclusion principle Pauli exclusion principle
Hund’s rule Hund’s rule
Aufbau’s principle Aufbau’s principle
Le-Chatelier’s principle Le-Chatelier’s principle

Which sequence of steps is correct for the manufacture of cement ?

1 Mark(s)

Your Answer:

crushing heating mixing grinding crushing heating mixing grinding
crushing mixing heating grinding and mixing
crushing grinding mixing heating crushing grinding mixing heating
mixing heating grinding crushing mixing heating grinding crushing

Which of the following is correct for the given figure?

1 Mark(s)

Your Answer:

A) Bohr’s model of atom A) Bohr’s model of atom
B) Thomson’s model of the atom B) Thomson’s model of the atom
C) Rutherford’s Atomic model C) Rutherford’s Atomic model
D) None of these D) None of these

When an object is placed far away from the concave mirror its image will be?

1 Mark(s)

Your Answer:

Real Real
Inverted Inverted
Smaller in size than the object Smaller in size than the object
All of these All of these

Sandmeyer reaction converts:

1 Mark(s)

Your Answer:

Diazonium to aryl halide Diazonium to aryl halide
Amine to diazonium Amine to diazonium
Halide to amine Halide to amine
Nitro to amine Nitro to amine

The ore CaSO4.H2O has the general name_______________?

1 Mark(s)

Your Answer:

Gypsum Gypsum
Dolomite Dolomite
Calcite Calcite
Plaster of Paris Plaster of Paris

HIV targets:

1 Mark(s)

Your Answer:

B cells B cells
Helper T cells Helper T cells
Macrophages Macrophages
Antibodies Antibodies

Why is alum added to water containing suspended impurities?

1 Mark(s)

Your Answer:

A) To make acolloidal solution A) To make acolloidal solution
B) To coagulate the suspended impurities
C) To remove impurities of calcium and magnesium
D) To protect the colloidal solution from gening precipitated

Planets move around the sun was proved by_______

1 Mark(s)

Your Answer:

Archimedes Archimedes
Galileo Galilei Galileo Galilei
John Kepler John Kepler
None None

Generally, non-metals are not conductors of electricity. Which of the following is a good conductor of electricity?

1 Mark(s)

Your Answer:

A) Diamond A) Diamond
B) Graphite B) Graphite
C) Sulphur C) Sulphur
D) Fullerene D) Fullerene

Enteric bacteria is following__________?

1 Mark(s)

Your Answer:

gram positive bacteria gram positive bacteria
gram negative bacteria gram negative bacteria
virulent virulent
complecated complecated

Saliva contains__________?

1 Mark(s)

Your Answer:

Amylases Amylases
Bite Bite
Trypsin Trypsin
None of these None of these

Which of the following has two halogen atoms on adjacent carbon atoms?

1 Mark(s)

Your Answer:

vicinal dihalide vicinal dihalide
Tetrahalide Tetrahalide
acetylene acetylene
Trichloromethane Trichloromethane

The smallest bone present in the human body is:

1 Mark(s)

Your Answer:

pinna ligament pinna ligament
aqueous wax aqueous wax
stapes stapes
vitreous wax vitreous wax

Megasporangium along with its protective integuments is called

1 Mark(s)

Your Answer:

A) ovary A) ovary
B) ovule B) ovule
C) funicle C) funicle
D) chalaza D) chalaza

The angular speed for daily rotation of the earth in rad S-1 is______________?

1 Mark(s)

Your Answer:

7.3 x 10 radians/second 7.3 x 10 radians/second
7.3 x 5 radians/second 7.3 x 5 radians/second
3.7 x 10 7.3 x 5 radians/second 3.7 x 10 7.3 x 5 radians/second
7.3 x 10-5 radians/second 7.3 x 10-5 radians/second

The process of generating an induced current in a circuit by changing the number of magnetic lines of force passing through it is called:

1 Mark(s)

Your Answer:

electromagnetic difference electromagnetic difference
electromagnetic induction electromagnetic induction
electromotive force electromotive force
potential difference potential difference

What is the color of bromine?

1 Mark(s)

Your Answer:

brown brown
red red
orange orange
reddish-brown reddish-brown

Second growth phase occurred in___________?

1 Mark(s)

Your Answer:

G1 G1
G2 G2
S S
0 0

Sodium carbonate is a basic salt because it is a salt of

1 Mark(s)

Your Answer:

A) strong acid and strong base A) strong acid and strong base
B) weak acid and weak base B) weak acid and weak base
C) strong acid and weak base C) strong acid and weak base
D) weak acid and strong base D) weak acid and strong base

A body cools from $50^\circ C$ to $49.9^\circ C$ in 5s. How long will it take to cool from $40^\circ C$ to $39.9^\circ C$? (Assume room temp $30^\circ C$).

1 Mark(s)

Your Answer:

5s 5s
10s 10s
2.5s 2.5s
20s 20s

The energy of SHM is maximum at_______________?

1 Mark(s)

Your Answer:

Mean position Mean position
Extreme position Extreme position
In between mean and extreme In between mean and extreme
All positions during SHM All positions during SHM

Age at the beginning of the period Devonian million years ago__________?

1 Mark(s)

Your Answer:

375 375
200 200
420 420
500 500

Method of locomotion in squid is__________?

1 Mark(s)

Your Answer:

jet propulsion jet propulsion
flying flying
crawling crawling
sleeping sleeping

Freezing point of water is__________?

1 Mark(s)

Your Answer:

0°C 0°C
-2°C -2°C
-4°C -4°C
None of above None of above

The force responsible for Beta ($\beta$) decay in radioactivity is:

1 Mark(s)

Your Answer:

Strong Nuclear Force Strong Nuclear Force
Electromagnetic Force Electromagnetic Force
Weak Nuclear Force Weak Nuclear Force
Gravitational Force Gravitational Force

The relationship by which the values that relate amounts of products to reactants at equilibrium can be determined is called:

1 Mark(s)

Your Answer:

law of conservation of mass law of conservation of mass
law of chemical reactions law of chemical reactions
law of mass action law of mass action
active mass active mass

Which is a common breathing disorder and it causes difficulty in breathing due to swollen air passage?

1 Mark(s)

Your Answer:

Emphysema Emphysema
Bronchitis Bronchitis
Asthma Asthma
Pulmonary Fibrosis Pulmonary Fibrosis

The chemical substances used to bring down body temperature in high fever are known as

1 Mark(s)

Your Answer:

A) analgesics A) analgesics
B) antipyretics B) antipyretics
C) antihistamines C) antihistamines
D) tranquilizers D) tranquilizers

Which of the following used in production of bread and liquor__________?

1 Mark(s)

Your Answer:

saccharomyces cerevisiae saccharomyces cerevisiae
pencillium pencillium
aspergillus aspergillus
citric acid citric acid

Before classification first step of zoologist__________?

1 Mark(s)

Your Answer:

theory theory
hypothesis hypothesis
create group create group
conclusion conclusion

Triple fusion in Capsella bursa pastoris is fusion of male gamete with

1 Mark(s)

Your Answer:

A) egg A) egg
B) synergid B) synergid
C) secondary nucleus C) secondary nucleus
D) antipodal. D) antipodal.

In the event of dissolution of partnership firm, the provision for doubtful debts is transferred to :

1 Mark(s)

Your Answer:

A) Realisation Account A) Realisation Account
B) Partners’ Capital Accounts B) Partners’ Capital Accounts
C) Sundry Debtors Account C) Sundry Debtors Account
D) None of the above D) None of the above

Chapter 15 Polymers. Chemistry MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Chemistry Polymers MCQs Pdf with Answers to know their preparation level. Polymers Class 12 Chemistry MCQs Pdf 1. The monomer of polystyrene is

1 Mark(s)

Your Answer:

A) C 2 H —CH=CH 2 A) C 2 H —CH=CH 2
B) CH 2 =CHCl B) CH 2 =CHCl
C) C 6 H 5 CH=CH 2 C) C 6 H 5 CH=CH 2
D) CH 2 =CH—CHO Answer/Explanation D) CH 2 =CH—CHO Answer/Explanation

Beneficial symbiotic relationship among two members is called following ___________?

1 Mark(s)

Your Answer:

Mycorrhizal Mycorrhizal
Commensalims Commensalims
Mutual Mutual
Parasites Parasites

Mammals possess:

1 Mark(s)

Your Answer:

Hair and mammary glands Hair and mammary glands
Feathers Feathers
Scales Scales
Exoskeleton Exoskeleton

Ultramicroscopic agents was seen in foot and mouth disease__________?

1 Mark(s)

Your Answer:

1800 1800
1898 1898
1890 1890
2000 2000

What causes cis-trans isomerism in alkenes?

1 Mark(s)

Your Answer:

Restricted rotation about the double bond
Different numbers of carbon atoms Different numbers of carbon atoms
Free rotation about double bond Free rotation about double bond
Free rotation about single bond Free rotation about single bond

The leading cause/causes of kidney failure is/are:

1 Mark(s)

Your Answer:

kidney stones kidney stones
low intake of water low intake of water
alcohol consumption alcohol consumption
diabetes mellitus and hypertension diabetes mellitus and hypertension

Which of the following teeth of peristome _________?

1 Mark(s)

Your Answer:

Hydroscopic Hydroscopic
Hygroscopic Hygroscopic
Hydroids Hydroids
None None

The most common method of entering alien DNA into plant cells is:

1 Mark(s)

Your Answer:

Microinjection Microinjection
Retrovirus Retrovirus
Agrobacterium Agrobacterium
Gene gun Gene gun

Which population of peppered moth was advantageous in past but now become the deleterious___________?

1 Mark(s)

Your Answer:

black black
gray gray
brown brown
green green

The reduction potential Zn is_________________?

1 Mark(s)

Your Answer:

0.76 0.76
-0.76 -0.76
-0.55 -0.55
0.55 0.55

One of the most commonly used drugs:

1 Mark(s)

Your Answer:

heroine heroine
psilocin psilocin
codeine codeine
marijuana marijuana

The endoscope used to examine the bladder is called:

1 Mark(s)

Your Answer:

cystoscope cystoscope
gastro-scope gastro-scope
microscope microscope
bronchoscope bronchoscope

The ratio of escape velocity to orbital velocity ($v_e/v_o$) near the surface is:

1 Mark(s)

Your Answer:

$1 : \sqrt{2}$ $1 : \sqrt{2}$
$\sqrt{2} : 1$ $\sqrt{2} : 1$
$1 : 2$ $1 : 2$
$2 : 1$ $2 : 1$

Which of the following is a Non Metal that remains Liquid at room temperature?

1 Mark(s)

Your Answer:

Phosphorous Phosphorous
Bromine Bromine
Chlorine Chlorine
Helium Helium

Which of the following is not an essential condition of combustion?

1 Mark(s)

Your Answer:

A) Presence of oxygen A) Presence of oxygen
B) Presence of combustible substance (Fuel).
C) Ignition temperature C) Ignition temperature
D) Presence of carbon dioxide D) Presence of carbon dioxide

Which of the following part used for anchoring and absorption of water __________?

1 Mark(s)

Your Answer:

Root Root
Stem Stem
Leaves and reproductive parts Leaves and reproductive parts
Branches Branches

Molecular orbital theory was proposed by:

1 Mark(s)

Your Answer:

Lewis Lewis
Hund and Mulliken Hund and Mulliken
Pauling Pauling
Bohr Bohr

Compound containing benzene ring in their structure are __________________?

1 Mark(s)

Your Answer:

aliphatic aliphatic
aromatic aromatic
carboxylic acid carboxylic acid
carbohydrates carbohydrates

Some drugs do not bind to the enzyme’s artive site, instead bind to a different site of enzyme. This site is called

1 Mark(s)

Your Answer:

A) allosteric site A) allosteric site
B) substrate site B) substrate site
C) ionic site C) ionic site
D) competitive site D) competitive site

The speed of sound is minimum in _____?

1 Mark(s)

Your Answer:

Solids Solids
Liquids Liquids
Gases Gases
Plasma Plasma

Biopatent is:

1 Mark(s)

Your Answer:

Theft Theft
Conservation Conservation
Research Research
Exclusive rights to inventions Exclusive rights to inventions

Evaluating Your Answers

Everyday Science Mock Test 10 : Question 1 of 58