10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Population, Transport, Communication and Trade Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Resources and Industries Important Questions And Answers Study Material - QB365 Set A

Published on: 13/05/2022
QB365 provides detailed and simple solution for every Book back Questions in class 10 Science Subject. It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back QuestionsDownload 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.
_________ is a sodium salt of sulphonic acids.
Fatty acids
Detergent
Soap
Unsaturated compounds
2.
Global warming will cause
raise in level of oceans
melting of glaciers
sinking of islands
all of these
3.
4.
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.
5.
In a hexaploid wheat( 2n = 6 x = 42 ) the haploid (n) and the basic(x) number of chromosomes respectively are
n = 7 and x = 21
n = 21 and x = 21
n = 7 and x = 7
n = 21 and x = 7
6.
Which one of the following is an IUCD?
Copper – T
Oral pills
Diaphragm
Tubectomy
7.
‘Heart of Heart’ is called
SA node
AV node
Purkinje fibres
Bundle of His
8.
The animals which give birth to young ones are
Oviparous
Viviparous
Ovoviviparous
All the above
9.
Powdered CaCO3 reacts more rapidly than flaky CaCO3 because of __________.
large surface area
high pressure
high concentration
high temperature
10.
Deliquescence is due to __________
Strong affinity to water
Less affinity to water
Strong hatred to water
Inertness to water
11.
12.
Kamini reactor is located at __________
Kalpakkam
Koodankulam
Mumbai
Rajasthan
13.
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
14.
15.
1.
(b)
Detergent
2.
(d)
all of these
3.
(a)
4.
(a)
22 pairs of autosomes and 1 pair of allosomes.
5.
(d)
n = 21 and x = 7
6.
(a)
Copper – T
7.
(a)
SA node
8.
(b)
Viviparous
9.
(a)
large surface area
10.
(a)
Strong affinity to water
11.
(b)
12.
(a)
Kalpakkam
13.
(c)
25 m
14.
(d)
15.
(d)
10th Standard Syllabus & Materials
10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set C
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
Tamilnadu 10th Standard Social Science GEO - India - Location, Relief and Drainage Important Questions And Answers Study Material - QB365 Set B
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards