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22nd January 2025 Revision Test @ Indefatigables 25,DBSSS Dmdma

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Pranjol and Rajvir were students in a school in ………

a)

Dhekiabari

b)

Mariani

c)

Delhi

d)

Tinsukia

2.

Tea came to Europe in ……..century.

a)

Sixteenth

b)

Seventeenth

c)

Eighteenth

d)

Fifteenth

3.

This refreshing chapter, ‘Tea From Assam’ has been brought to us by …….

a)

Jaison Mendez

b)

Arup Kumar Dutta

c)

Lokesh Abrol

d)

Kumar Dutta

4.

According to one story, a …….. emperor discovered tea by chance, as in the story, ‘Tea From Assam’.

a)

Japanese

b)

American

c)

European

d)

Chinese

5.

Amanda is being instructed to……

a)

Wash her dress

b)

Clean her uniform

c)

Clean her room

d)

Lit the candle

6.

What does Amanda wish to do in the sea?

a)

Eat tiffin

b)

Watch soft-moving waves

c)

Hunt various animals

d)

Catch the fishes

7.

Why should Amanda not eat chocolate?

a)

It causes heart disease

b)

It causes cancer

c)

It causes acne

d)

It will damage liver

8.

What caused the villagers to suspect the scientist?

a)

The furniture incident

b)

The robbery

c)

All the given choices

d)

Unexpected availability of cash on him

9.

What is being referred to as the “strange incident” that happened in the study?

a)

None of the choices

b)

Griffin pretending to be waiting for a cheque

c)

Griffin arriving at the inn during off season

d)

Griffin stealing money while being invisible

10.

What do you mean by the word “eccentric”?

a)

Beautiful

b)

Catchy

c)

Uncommon

d)

Extra

11.

In the following real numbers, which one is non-terminating repeating decimal expansion?

a)

3\sqrt[]{3}

b)

π

c)

17\frac{1}{7}

d)

13125\frac{13}{125}

12.

The smallest number by which 27\sqrt[]{27}  should be multiplied so as to get a rational number is ……

a)

27\sqrt[]{27}

b)

3\sqrt[]{3}

c)

33\sqrt[3]{3}

d)

3

13.

The number of decimal places after which the decimal expansion of the rational number   4324×53\frac{43}{2^4\times5^3}   will terminate is ……

a)

3

b)

4

c)

1

d)

5

14.

If two positive integers A and B can be expressed as A = x   y3y^3 and B = x4   y2zx^{4^{\ \ }\ }y^2z ;  

x, y being prime numbers then HCF (A,B) is ……..

a)

x   y2x^{^{\ \ }\ }y^2

b)

x4   y2zx^{4^{\ \ }\ }y^2z

c)

x4   y3x^{4^{\ \ }\ }y^3

d)

x4   y3zx^{4^{\ \ }\ }y^3z

15.

For positive integers a and 3, there exist unique integers q and r such that

a = 3q + r, where r must satisfy……..

a)

0   \le r <<  3

b)

1   << r   << 3

c)

0 <<  r   << 3

d)

1   << r \le  3

16.

Sum of the zeros of the cubic polynomial  is ….. P (x) = 3x35x211x 3P\ \left(x\right)\ =\ 3x^3-5x^2-11x\ -3 is .......

a)

5

b)

11

c)

3

d)

53\frac{5}{3}

17.

The product of the zeros of 4u2 +8u4u^2\ +8u is ……..

a)

4

b)

8

c)

32

d)

0

18.

If 1 is a zero of the polynomial p(x) = bx2+4(b +1) +1p\left(x\right)\ =\ bx^2+4\left(b\ +1\right)\ +1 , then  the value of b  is …….

a)

-1

b)

1

c)

0

d)

-4

19.

The number of polynomials having zeros as 4 and 7 is …….

a)

More than 4

b)

2

c)

3

d)

4

20.

If graph of a polynomial does not intersects the x-axis but intersects y-axis in one point, then number of zeros of the polynomial is equal to ……..

a)

0 or 1

b)

1

c)

0

d)

None of the choices

21.

What  happens when dilute hydrochloric acid is added to iron filings?

a)

No reaction takes place

b)

Chlorine gas and iron hydroxide are produced

c)

Hydrogen gas and iron chloride are produced

d)

Iron salt and water are produced

22.

Which of the following is not a reducing agent?

a)

NO2

b)

CO2

c)

H2O2

d)

SO2

23.

Which of the following is a thermal decomposition reaction?


a)

2H2O -> 2H2 + O2

b)

ZnCO3 -> ZnO + CO2

c)

H2(g) + Cl2(g) -> 2HCl(g)

d)

2AgCl -> 2Ag + Cl2

24.

Which of the following reactions is not correct?

a)

2Ag + Cu(NO3)2 -> 2AgNO3 + Cu

b)

Zn + CuSO4 -> ZnSO4 + Cu

c)

Fe + CuSO4 -> FeSO4 + Cu

d)

Mg + 2HCl -> MgCl2 + H2

25.

A substance which oxidizes itself and reduces other is known as …….

a)

Reducing agent

b)

Oxidising and Reducing Agent

c)

None of the choices

d)

Oxidising agent

26.

Sphygmomanometer is an instrument which is used to measure the ….. of a man.

a)

O2 level in the blood

b)

Blood pressure

c)

Blood sugar level

d)

Level of urea in the blood

27.

The energy currency for most of the cellular processes is ……

a)

CO2

b)

AMP

c)

ADP

d)

ATP

28.

The primary unit of kidney is …….

a)

Nephron

b)

Medulla

c)

Cortex

d)

Nucleus

29.

The site of photosynthesis in the cells of a leaf is …..

a)

Protoplasm

b)

Chloroplast

c)

Motochondria

d)

Cytoplasm

30.

The contraction and expansion movements of the walls of the food pipe is called…..

a)

Digestion

b)

Peristaltic movement

c)

Transpiration

d)

Translocation

31.

In which National Park of Assam we find wild-horse and white winged duck?

a)

Manas National Park

b)

Kaziranga National Park

c)

Nmeri National Park

d)

Dibru-Saiknowa National Park

32.

At present, the total number of National Parks including Kaziranga National Park in Assam is ……

a)

7

b)

10

c)

5

d)

20

33.

The first stream of human migration to Assam was ……

a)

The Ahoms

b)

The Tibeto-Burman language speaking Mongoloids

c)

The Austric group of people

d)

The Koch Rajbongshis

34.

According to 2011 census , Assam’s population is……..lakh.

a)

312.05

b)

314.05

c)

312.06

d)

312.04

35.

. ….… of Assam’s land is under forest cover.

a)

32 %

b)

34 %

c)

36 %

d)

35 %

36.

Who among the following persons was not  the member of the Drafting Committee  of the Constitution of India?

a)

D. P. Khaitan

b)

K. M. Munshi

c)

N. Gopalaswami Ayyangar

d)

Jawaharlal Nehru

37.

Through the 42nd constitutional amendment of 1976 three important words were incorporated in the preamble of the Indian Constitution. These words are……

a)

Sovereign, Republic, Unity

b)

Democratic, Republic, Unity

c)

Socialist, Secular, Unity

d)

Secular, Sovereign, Unity

38.

Who was the chairman of the drafting committee of Indian Constituion?

a)

N. Gopalaswami Ayenger

b)

Dr. Rajendra Prasad

c)

Dr. Sacchindananda Sinha

d)

Dr. B. R. Ambedkar

39.

Which country is regarded as the “Homeland” of federation?

a)

Russia

b)

The United States of America

c)

Canada

d)

The United Kingdom

40.

When did the “Cabinet Mission” come to India?

a)

March 1947

b)

March 1946

c)

March 1948

d)

March 1949