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Published on: 05/12/2020
10th Standard Science English Medium Free Online Test Book Back 1 Mark Questions Part - Three
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.
Common energy source in village is
electricity
coal
biogas
wood and animal dung
2.
Which is used to build scripts?
Script area
Block palette
stage
sprite
3.
4.
Identify the exocrine gland
Pituitary gland
Adrenal gland
Salivary gland
Thyroid gland
5.
We can cut the DNA with the help of
scissors
restriction endonucleases
knife
RNAase
6.
Male gametes in angiosperms are formed by the division of ___________
Generative cell
Vegetative cell
Microspore mother cell
Microspore
7.
Paleontologists deal with
Embryological evidences
Fossil evidences
Vestigial organ evidences
All the above
8.
Which nervous band connects the two cerebral hemispheres of brain?
thalamus
hypothalamus
corpus callosum
pons
9.
Metastasis is associated with
Malignant tumour
Benign tumour
Both (a) and (b)
Crown gall tumour
10.
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by doctor for transfusion?
O group
AB group
A and B group
All blood group
11.
The body of leech has
23 segments
33 segments
38 segments
30 segments
12.
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
13.
Which of the following is hygroscopic in nature?
ferric chloride
copper sulphate pentahydrate
silica gel
none of the above
14.
Neon shows zero electron affinity due to _____.
stable arrangement of neutrons
stable configuration of electrons
reduced size
increased density
15.
The basis of modern periodic law is__________.
atomic number
atomic mass
isotopic mass
number of neutrons
16.
The endarch condition is the characteristic feature of
root
stem
leaves
flower
17.
Proton - Proton chain reaction is an example of__________
Nuclear fission
\(\alpha\) - decay
Nuclear fusion
\(\beta\) - decay
18.
19.
The secondary suffix used in IUPAC nomenclature of an aldehyde is ____
- ol
– oic acid
– al
- one
20.
Which of the following represents 1 amu?
Mass of a C – 12 atom
Mass of a hydrogen atom
1/12th of the mass of a C – 12 atom
Mass of O – 16 atom
1.
(d)
wood and animal dung
2.
(a)
Script area
3.
(b)
4.
(c)
Salivary gland
5.
(b)
restriction endonucleases
6.
(a)
Generative cell
7.
(b)
Fossil evidences
8.
(c)
corpus callosum
9.
(a)
Malignant tumour
10.
(a)
O group
11.
(b)
33 segments
12.
(d)
i and iv
13.
(c)
silica gel
14.
(b)
stable configuration of electrons
15.
(a)
atomic number
16.
(b)
stem
17.
(c)
Nuclear fusion
18.
(b)
19.
(c)
– al
20.
(c)
1/12th of the mass of a C – 12 atom
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
