Science and Scientific Research - General Knowledge Questions and Answers


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(Q1) General Knowledge » Science and Scientific Research

Which of the following is used in photography?

A

Sodium hydroxide

B

Sodium thiosulphate

C

Sodium sulphate

D

Sodium bicarbonate

(Q2) General Knowledge » Science and Scientific Research

According to the Brihat Samhita, what do you call the process of making scents, mouth perfumes and bath powders?

A

Pattanga

B

Kamplcica

C

Gandhayukli

D

Jatuka

(Q3) General Knowledge » Science and Scientific Research

Which organic compound has the structure R−COOH, with R referring to the alkyl, alkenyl, aryl, or other group?

A

Carboxylic acid

B

Ester

C

Ketone

D

Aldehydes

(Q4) General Knowledge » Science and Scientific Research

In which group are the non-metal elements placed in a vertical column on the right side of the periodic table?

A

Group 1

B

Group 2

C

Group 3

D

Group 17

(Q5) General Knowledge » Science and Scientific Research

Earth’s core is mainly made up of ______.

A

nickel and iron

B

nickel and magnesium

C

nickel and copper

D

nickel and alumina

(Q6) General Knowledge » Science and Scientific Research

A group of ribosomes attached to mRNA is known as:

A

polymer

B

polypeptide

C

polysomes

D

monomer

(Q7) General Knowledge » Science and Scientific Research

Identify a protein-digesting enzyme.

A

Collagen

B

lipase

C

Amylase

D

Pepsin

(Q8) General Knowledge » Science and Scientific Research

Motion of an object is ______ if its velocity is constant.

A

non-uniform

B

uniform

C

only decelerating

D

only accelerating

(Q9) General Knowledge » Science and Scientific Research

The SI unit of electric charge is a ______.

A

joule

B

watt

C

coulomb

D

newton

(Q10) General Knowledge » Science and Scientific Research

A

i-d, ii-a, iii-b, iv-c

B

i-b, ii-a, iii-c, iv-d

C

i-c, ii-a, iii-d, iv-c

D

i-a, ii-b, iii-c, iv-d

(Q11) General Knowledge » Science and Scientific Research

Who discovered three chemical elements: cerium, thorium and selenium, and devised the modern method by which one or two letters are used to symbolise elements?

A

Hennig Brand 

B

Niels Bohr 

C

Jacob Berzelius 

D

John Dalton

(Q12) General Knowledge » Science and Scientific Research

In which year did Langmuir reform the Lewis concept by abandoning the idea of ​​a stable cubical arrangement of the octet and introducing the term ‘covalent bond’?

A

1921

B

1917 

C

1919 

D

1915 

(Q13) General Knowledge » Science and Scientific Research

Which theory discusses the relationship between ligand bonding and degradation of d orbitals in metal complexes and the geometry of metal complexes and the splitting of d orbitals?

A

Molecular orbital theory (MOT) 

B

Crystal field theory (CFT)

C

Valence bond theory (VBT) 

D

Ligand field theory (LFT) 

(Q14) General Knowledge » Science and Scientific Research

An undifferentiated layer, ______, is present in between the ectoderm and the endoderm.

A

Coeliea

B

Ectinoglea

C

Mesoglea

D

Acoelomea

(Q15) General Knowledge » Science and Scientific Research

Identify an example of diploblastic animals.

A

Platyhelminthes

B

Chordates

C

Arachnids

D

Coelenterates

(Q16) General Knowledge » Science and Scientific Research

Which of the following is NOT a conductor?

A

Hard rubber

B

Nickel

C

Silver

D

Copper

(Q17) General Knowledge » Science and Scientific Research

Chemical formula of washing soda is ______.

A

Na2SO4

B

NaHCO3

C

NaOH

D

Na2CO3.10H2O

(Q18) General Knowledge » Science and Scientific Research

What happens to the decomposition rate when detritus is rich in lignin and chitin?

A

It is slower

B

There is no movement

C

It is negligible

D

It is faster

(Q19) General Knowledge » Science and Scientific Research

In 1664, who discovered the fifth star in the Trapezium, an asterism (mini-constellation) in the constellation Orion?

A

Giordano Bruno 

B

Johannes Kepler 

C

Robert Hooke 

D

George Willis Ritchey 

(Q20) General Knowledge » Science and Scientific Research

What is the numerical value of a physical quantity?

A

Distance

B

Magnitude

C

Direction

D

Reference