CSS Everyday Science Mock Test 7

Capacitation of sperm occurs in:

1 Mark(s)

Your Answer:

Testes Testes
Female tract Female tract
Epididymis Epididymis
Vas deferens Vas deferens

The type of electromagnetic wave used in security scanners at night is ______?

1 Mark(s)

Your Answer:

Microwaves Microwaves
Infra-red Infra-red
Radio waves Radio waves
X-ray X-ray

When enthalpy of reactants is higher than product then reaction will be_________________?

1 Mark(s)

Your Answer:

endothermic endothermic
spontaneous spontaneous
non-spontaneous non-spontaneous
exothermic exothermic

Flagella arises from two basal granules called __________?

1 Mark(s)

Your Answer:

blepharoplast blepharoplast
chlorophyceae chlorophyceae
volvocales volvocales
chlamydomonas chlamydomonas

All vertebrates have __________circulatory system?

1 Mark(s)

Your Answer:

Closed Closed
open open
Both A, B Both A, B
None of These None of These

Which of the following statements about the equilibrium constant is not true?

1 Mark(s)

Your Answer:

it is very useful it is very useful
it is independent of the initial concentration of reactants
it does not depend upon temperature it does not depend upon temperature
it depends upon temperature it depends upon temperature

Photons are electrically:

1 Mark(s)

Your Answer:

Positive Positive
Negative Negative
Neutral Neutral
Charged Charged

Volvox appear in water following_________?

1 Mark(s)

Your Answer:

winter winter
autumn autumn
spring spring
summer summer

The electronic configuration is the arrangement of electrons in:

1 Mark(s)

Your Answer:

nucleus nucleus
shells shells
sub-shells sub-shells
all of above all of above

To collect the information and store them in computer in more than one inter linked files is called:

1 Mark(s)

Your Answer:

data storing data storing
data managing data managing
data cleaner data cleaner
data logging data logging

Who primarly remembered for collecting and classifying plants___________?

1 Mark(s)

Your Answer:

lamarck lamarck
george george
Carl von Linne Carl von Linne
abdul slaam abdul slaam

The connecting link between Glycolysis and Krebs cycle is:

1 Mark(s)

Your Answer:

Pyruvate Pyruvate
Acetyl CoA Acetyl CoA
Citrate Citrate
OAA OAA

Ground state energy of the 4th orbit in a H-atom is_____________?

1 Mark(s)

Your Answer:

13.60 eV 13.60 eV
3.40 eV 3.40 eV
0.85 eV 0.85 eV
1.51 eV 1.51 eV

A device used to provide an optimum environment for the growth of:

1 Mark(s)

Your Answer:

bacteria bacteria
aspergillus aspergillus
micro-organisms micro-organisms
saccharomyces saccharomyces

The SI unit of Frequency is:

1 Mark(s)

Your Answer:

Second Second
Hertz Hertz
Meter Meter
Joule Joule

The range of the Weak Nuclear force is of the order of:

1 Mark(s)

Your Answer:

$10^{-10} m$ $10^{-10} m$
$10^{-15} m$ $10^{-15} m$
$10^{-16} m$ $10^{-16} m$
$10^{-6} m$ $10^{-6} m$

The Science of growing terrestrial plants in an aerated solution is_________?

1 Mark(s)

Your Answer:

Hydrodynamics Hydrodynamics
Hydroponics Hydroponics
Hydrotonics Hydrotonics
None of them None of them

For a gas obeying Boyles law if the pressure is doubled the volume becomes________________?

1 Mark(s)

Your Answer:

double double
one half one half
four times four times
one fourth one fourth

Caustic Soda is extensively used for making __________?

1 Mark(s)

Your Answer:

Surf Surf
Soap Soap
Plaster of Paris Plaster of Paris
Gum Gum

Lymphocyte types:

1 Mark(s)

Your Answer:

NK cells NK cells
T and B cells T and B cells
Helper cells Helper cells
Killer cells Killer cells

Absolute alcohol is:

1 Mark(s)

Your Answer:

95% ethanol 95% ethanol
100% ethanol 100% ethanol
50% ethanol 50% ethanol
Methylated spirit Methylated spirit

Which was the last human chromosome to be completely sequenced ?

1 Mark(s)

Your Answer:

A) Chromosome 1 A) Chromosome 1
B) Chromosome 11 B) Chromosome 11
C) Chromosome 21 C) Chromosome 21
D) Chromosome X D) Chromosome X

The lower layer of the thermosphere is:

1 Mark(s)

Your Answer:

ionosphere ionosphere
exosphere exosphere
mesosphere mesosphere
stratosphere stratosphere

Vaccination can be administered ______?

1 Mark(s)

Your Answer:

After infection After infection
Before infection Before infection
During infection During infection
All are Correct All are Correct

Identification of new species of plants and animals by__________?

1 Mark(s)

Your Answer:

deforestation deforestation
preservation forest preservation forest
cuting trees cuting trees
destruction destruction

A bioreactor provides optimal conditions for:

1 Mark(s)

Your Answer:

Storage Storage
Purification Purification
Gene isolation Gene isolation
Growth and product formation Growth and product formation

The memory which is used in the computer as temporary memory is:

1 Mark(s)

Your Answer:

read only memory (ROM) read only memory (ROM)
Random access memory (RAM) Random access memory (RAM)
local area networking (LAN) local area networking (LAN)
all of above all of above

Electrochemical affective for microbes below__________?

1 Mark(s)

Your Answer:

300nm 300nm
400nm 400nm
50nm 50nm
600nm 600nm

For which one of the following is the density maximum?

1 Mark(s)

Your Answer:

Ice Ice
Water Water
Benzene Benzene
Chloroform Chloroform

The a-and p-forms of glucose are

1 Mark(s)

Your Answer:

A) isomers of D (+) glucose and L (-) glucose respectively
B) diastereomers of glucose B) diastereomers of glucose
C) anomers of glucose C) anomers of glucose
D) isomers which differ in the configuration of C-2

On a dry day if we walk in a carpeted room and then touch some conductor we will fell:

1 Mark(s)

Your Answer:

heat heat
small electric shock small electric shock
large electric shock large electric shock
light light

CFCs are widely used in…?

1 Mark(s)

Your Answer:

Coolants in refrigeration Coolants in refrigeration
Solvents in cleaners Solvents in cleaners
Air conditioners Air conditioners
All of these All of these

Vestigial organs in humans include:

1 Mark(s)

Your Answer:

Appendix Appendix
Heart Heart
Liver Liver
Kidney Kidney

The main factor for determining a region’s climate is ___________?

1 Mark(s)

Your Answer:

Latitude Latitude
Temperature Temperature
Longitude Longitude
None of them None of them

MRI or CT scan resulted from the image exploration of ______?

1 Mark(s)

Your Answer:

Moon Moon
Saturn Saturn
Jupiter Jupiter
Sun Sun

The velocity with which a paratrooper comes to the ground is called:

1 Mark(s)

Your Answer:

average velocity average velocity
variable velocity variable velocity
constant velocity constant velocity
terminal velocity terminal velocity

Assertion (A): Digital thermometers are replacing mercury thermometers. Reason (R): Mercury is a toxic substance, and digital thermometers provide easier-to- read displays.

1 Mark(s)

Your Answer:

A) Both A and R are true and R is correct explanation of the assertion,
B) Both A and R are true but R is not the correct explanation of the assertion,
C) A is true but R is false, C) A is true but R is false,
D) A is false but R is true D) A is false but R is true

The disease caused by a deficiency of minerals is:

1 Mark(s)

Your Answer:

anemia anemia
angina angina
hemophilia hemophilia
leukemia leukemia

The reaction of halogens (Group-VII) and alkane (saturated hydrocarbons) in the presence of sunlight is an example of:

1 Mark(s)

Your Answer:

carbation carbation
halogenation halogenation
substitution substitution
hydrogenation hydrogenation

One Water molecule can form maximum ______hydrogen bonds.

1 Mark(s)

Your Answer:

2 2
3 3
4 4
None None

The main purpose of respiration is to:

1 Mark(s)

Your Answer:

A) Produce oxygen A) Produce oxygen
B) Eliminate waste B) Eliminate waste
C) Produce energy C) Produce energy
D) Digest food. (Q. No. 1 to 10): Each question below consists of an Assertion (A) and a Reason (R). Use the following key to choose the appropriate answer.

Which of the following is not a derivative of cholesterol?

1 Mark(s)

Your Answer:

Vitamin D Vitamin D
Vitamin B Vitamin B
Bile Salts Bile Salts
Steroid Steroid

Two vectors $\vec{A}$ and $\vec{B}$ have magnitudes 3 and 5. Their dot product is 7.5. The angle between them is:

1 Mark(s)

Your Answer:

$30^\circ$ $30^\circ$
$60^\circ$ $60^\circ$
$90^\circ$ $90^\circ$
$120^\circ$ $120^\circ$

Life span of hirudinea___________?

1 Mark(s)

Your Answer:

2 to 6 years 2 to 6 years
4 to 5 years 4 to 5 years
6 to 7 years 6 to 7 years
2 to 8 years 2 to 8 years

Evaluating Your Answers

CSS Everyday Science Mock Test 7 : Question 1 of 44