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Published on: 05/12/2020
10th Standard Science English Medium Free Online Test Creative 1 Mark Questions with Answer Key Part - 1
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.
Pusa snowball is a disease resistant variety of________.
cowpea
cauliflower
wheat
rice
2.
Identify the product formed when ethanol reacts with sodium
Sodium acetate
Sodium ethanoate
Sodium ethoxide
Sodium formate
3.
Premature shedding is caused by ______
auxin
ethylene
ABA
gibberellin
4.
______ acts as a insulator.
myelin sheath(b)
synaptic junction
nodes of ranvier
glial cells
5.
When a double displacement reaction takes place, one of the products must be
Precipitate
Water
either (a) or (b)
neither (a) nor (b)
6.
Order of temperature of fusion reaction is ________kelvin.
1017
107
1010
103
7.
Complete the reaction: 90Th234⟶ 91Pa234+ ?
2He4
-1e0
1e0
1n0
8.
An example for a solution containing liquid solute in gas solvent is ____________
soda water
cloud
cork
smoke
9.
Objective of telescope is of
Short focal length & short aperture
Short focal length & large aperture
Large focal length & large aperture
Large focal length & short aperture
10.
An object is placed at 12 cm from a convex lens whose focal length is 10 cm. The image must
Virtual and enlarged
real and reduced in size
virtual and reduced size
real and enlarged size
11.
Rainbow formation is due to _____ water droplets.
Ionisation
absorption of sunlight
reflection and refraction of sunlight
reflection of sunlight
12.
Infrasound can be heard or produced by
dog
bat
rhinoceros
human beings
13.
Blister copper contains _________
50% pure copper
99% pure copper and 1% impurities
98% pure copper and 2% impurities
75% pure copper and 25% impurities
14.
_______from anterior pituitary stimulates milk secretion
Oxytocin
Prolactin
Progestrone
Oestrogen
15.
The_______ are also called polymorpho nuclear leucocytes
eosinophil
thrombocyte
neutrophil
lymphocyte
16.
Which of the following contains the largest number of molecules?
0.2 mol H2
8.0 g H2
17 g of H2O
6.0 g of CO2
17.
At the surface of earth an object falling freely experiences an acceleration of
9.4 ms-2
9.1 ms-1
9.8 ms-2
9.6 ms-2
18.
The resistance of a conductor is inversely proportional to its _______.
Volt
Length
Area
None of the above
19.
The act of cleaning a carpet by heating it with a stick is an example for inertia of
motion
direction
rest
momentum
1.
(b)
cauliflower
2.
(c)
Sodium ethoxide
3.
(b)
ethylene
4.
(a)
myelin sheath(b)
5.
(c)
either (a) or (b)
6.
(b)
107
7.
(b)
-1e0
8.
(b)
cloud
9.
(c)
Large focal length & large aperture
10.
(d)
real and enlarged size
11.
(c)
reflection and refraction of sunlight
12.
(c)
rhinoceros
13.
(c)
98% pure copper and 2% impurities
14.
(b)
Prolactin
15.
(c)
neutrophil
16.
(b)
8.0 g H2
17.
(c)
9.8 ms-2
18.
(c)
Area
19.
(c)
rest
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
