10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 4 - The Attic Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 3 - The Story of Mulan Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 3 - I am Every Woman Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Prose - 3 - Empowered Women Navigating The World Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 2 - Zigzag Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 2 - The Grumble Family Important Questions And Answers Study Material - QB365 Set A
Published on: 05/12/2020
10th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 3
Download Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
Ethanol is used as ______________
a preservative for biological specimen
an antifreeze
an antiseptic
all the above
2.
Pons is a bridge of ______
neuron
nerve fibre
neuroglia
glial cells
3.
Acids have pH
less than 7
greater than 7
equal to 7
less than 14
4.
Thermal expansion at particular temperature is less in
solid
liquid
gas
all above
5.
BARC is situated at ________.
Trombay
Kalpakkam
Trivandrum
Thumba
6.
Complete the reaction: 88Ra226 ➝ 86Rn222+ ?
-1e0
1eo
2He4
0n1
7.
Simple microscopes are used
To observe paths of flower
Watch repair
Observe finger prints
All the above
8.
A convex lens forms a virtual image if the object is
at F
At infinity
below F and 2 F
below the lens and the principal focus
9.
What is the frequency range of audible sound?
20 Hz to 20 kHz
1.5 Hz to 20 kHz
10 Hz to 15 kHz
20 Hz to 25 kHz
10.
The group of rays is ______
lines
dots
beam
none of these
11.
Potassium belongs to ________ period
First
Second
Third
Fourth
12.
Normal pulse rate ranges from________
80-90/min
70 -90/min
50 - 60/min
70 - 80/min
13.
14.
Which of the contains maximum number of molecules
1 g of CO2
1g of N2
1 g of H2
1 g of CH4
15.
A 110 W, 220 V bulb draws a current.
2 A
440 A
0.5 A
5.5 A
16.
A body of mass 1 kg is attracted by the earth with a force which is equal to
9.8 N
6.67 x 1011
1 N
9.8 ms-1
17.
The physical quantity which is the measure of inertia is _______
density
weight
force
mass
18.
The resistance of material depends on.
Temperature
Length of conductor
Area of cross-section
All the above
19.
What are the steps will you adopt for better waste management?
reduce the amount of waste formed
reuse the waste
recycle the waste
all of the above
20.
Which is used to edit programs?
Inkscape
script editor
stage
sprite
21.
The number of chromosomes found in human beings are __________________.
22 pairs of autosomes and 1 pair of allosomes.
22 autosomes and 1 allosome
46 autosomes
46 pairs autosomes and 1 pair of allosomes.
22.
rDNA is a
vector DNA
circular DNA
recombinant of vector DNA and desired DNA
satellite DNA
23.
Syngamy results in the formation of____________
Zoospores
Conidia
Zygote
Chlamydospores
24.
Nerve cells do not possess
neurilemma
sarcolemma
axon
dendrites
25.
Mammals are ______________ animals.
Cold blooded
Warm blooded
Poikilothermic
All the above
26.
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X. (i) Zn (ii) Ag (iii) Cu (iv) Mg. Choose the best pair.
i and ii
ii and iii
iii and iv
i and iv
27.
Deliquescence is due to __________
Strong affinity to water
Less affinity to water
Strong hatred to water
Inertness to water
28.
Which of the following have inert gases 2 electrons in the outermost shell.
He
Ne
Ar
Kr
29.
Proton - Proton chain reaction is an example of__________
Nuclear fission
\(\alpha\) - decay
Nuclear fusion
\(\beta\) - decay
30.
TFM in soaps represents ___________ content in soap
mineral
vitamin
fatty acid
carbohydrate
31.
Velocity of sound in the atmosphere of a planet is 500 ms-1. The minimum distance between the sources of sound and the obstacle to hear the echo, should be
17 m
20 m
25 m
50 m
32.
The gram molecular mass of oxygen molecule is
16 g
18 g
32 g
17 g
33.
Which of the following lens would you prefer to use while reading small letters found in a dictionary?
A convex lens of focal length 5 cm
A concave lens of focal length 5 cm
A convex lens of focal length 10 cm
A concave lens of focal length 10 cm
34.
1.
(d)
all the above
2.
(b)
nerve fibre
3.
(a)
less than 7
4.
(a)
solid
5.
(a)
Trombay
6.
(c)
2He4
7.
(d)
All the above
8.
(d)
below the lens and the principal focus
9.
(a)
20 Hz to 20 kHz
10.
(c)
beam
11.
(d)
Fourth
12.
(b)
70 -90/min
13.
(b)
14.
(c)
1 g of H2
15.
(c)
0.5 A
16.
(a)
9.8 N
17.
(d)
mass
18.
(d)
All the above
19.
(d)
all of the above
20.
(b)
script editor
21.
(a)
22 pairs of autosomes and 1 pair of allosomes.
22.
(c)
recombinant of vector DNA and desired DNA
23.
(c)
Zygote
24.
(b)
sarcolemma
25.
(b)
Warm blooded
26.
(d)
i and iv
27.
(a)
Strong affinity to water
28.
(a)
He
29.
(c)
Nuclear fusion
30.
(c)
fatty acid
31.
(c)
25 m
32.
(c)
32 g
33.
(a)
A convex lens of focal length 5 cm
34.
(d)
10th Standard Syllabus & Materials
10th Standard
TN 10th English Prose - 2 - The Night the Ghost Got in Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Supplementary - 1 - The Tempest Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Poem - 1 - Life Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th English Prose - 1 - His First Flight Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
