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SCIENCE QUIZ (2021-22) CLASS XI

Total questions: 25

Worksheet time: 11mins

Name
Class
Date
1.

What is the most common semiconductor material used for producing integrated circuits

a)

Quartz

b)

Silicon

c)

Diamond

d)

Tantalum

2.

Which Planet in the Solar System in inhabited only by Robots?

a)

Mars

b)

Venus

c)

Neptune

d)

Uranus

3.

Which of the following has developed a Nano-Technology based disinfectant spray named "ANANYA" to combat COVID-19 by disinfecting all types of surfaces?

a)

Thaigarajar College of Engineering Madurai

b)

IIT Madras

c)

Karunya Institute of Technology and Science, Coimbatore

d)

Defence Institute of Advanced Technology, Pune

e)

IIT Bombay

4.

The Indian Air Force has designed, developed and inducted ARPIT for the evacuation of Critical Patients with infectious diseases. what does 'R' stand for in ARPIT?

a)

Report

b)

Rescue

c)

Remote

d)

Reserve

e)

Rotation

5.

THE CHEMICAL ACETYL CHOLINE ACT AS A

a)

NEURO TRANSMITTER

b)

NEUROMUSCULAR JUNCTION

c)

NEURO INHIBITTOR

d)

EXTRACELLULAR FLUID

6.

What electromagnetic wave has the shortest wavelengths and the highest frequencies?

a)

Gamma Rays

b)

Ultraviolet Rays

c)

Radio Waves

d)

X Rays

7.

Which of the following has entered into an MoU with Breathe Applied Sciences, under which it will convert Carbon dioxide to clean fuels such as methanol and other useful chemicals on a large scale?

a)

Indian Institute of Science

b)

Tata Institute of Fundamental Research

c)

IIT Bombay

d)

Jawaharlal Nehru Centre for Advanced Scientific Research

e)

CSIR

8.

Which German chemist discovered nuclear fission and was awarded the Nobel Prize for Chemistry in 1944?

a)

Albert Einstein

b)

Otto Hahn

c)

Antoine Lavoisier

d)

Michael Faraday

9.

What is a pedigree?

a)

a chart or family tree that tracks a certain trait through out the family

b)

a picture of all the chromosomes in the cell

c)

a chart that shows probability of offspring having a trait

d)

a disorder that causes bones to not fully develop

10.

Which country has launched an online network to facilitate plasma exchange between recovered patients of COVID-19?

a)

Indonesia

b)

Bangladesh

c)

Russia

d)

China

e)

Italy

11.

Who is the father of the Green Revolution in India?

a)

A. M.S.Swaminathan

b)

B.Arun Kumar Sharma

c)

C.Neelamraju Ganga Prasada Rao

d)

D.P. Ananda Kumar

12.

When did the World Animal day being celebrated?

a)

1 October

b)

2 October

c)

3 October

d)

4 October

13.

Which county has launched a new military surveillance satellite named 'Ofek 16'?

a)

1.united States

b)

2.Israel

c)

3.Germany

d)

4.Uae

14.

What is a technology on the Perseverance Rover that can help pave the way for future human exploration of Mars?

a)

SHERLOC

b)

RIMFAX

c)

MOXIE

d)

PIXL

15.

Name the chemical that is responsible for the yellow colour of urine

a)

Creatinine

b)

Haemoglobin

c)

Dextrin

d)

Urobilin

16.

The _________________ is another satellite laboratory that allows scientists from around the world to perform zero-gravity experiments and other experiments in space.

a)

Operational Space Satellite (OSS)

b)

In Space Satellite (ISS)

c)

International Space Station (ISS)

d)

Operational Space Station (OSS)

17.

What characteristic of water molecules allow them to form weak hydrogen bonds with each other?

a)

positive charges

b)

polarity

c)

solubility

d)

covalent bonds

18.

Which reagents are used to test for proteins?

a)

Sodium hydroxide solution and copper (II) sulphate solution

b)

Ethanol

c)

Filter paper

d)

Iodine solution

19.

Which English theoretical physicist authored The Theory of Everything, and A Brief History of Time?

a)

Stephen Hawking

b)

Neil deGrasse Tyson

c)

Albert Einstein

d)

Ernest Rutherford

20.

Who am I? I'm a polymer composed of amino acids that are linked by peptide bonds. Amino acid bonds determine my folds. 

a)

Lipid

b)

Carbohydrate

c)

Protein

d)

Sugar

21.

Which optical instrument is inserted in the body in order to observe internal passages such as a person’s esophagus or intestines?

a)

Camera

b)

Endoscope

c)

Magnifying glass

d)

Periscope

22.

NASA launched a a new telescope, the James Webb Space Telescope, in 2019. This telescope will be able to use ________________ to view stars and will take sharper images of them.

a)

the infrared spectrum

b)

X ray

c)

visible light

d)

gamma radiation

23.

Which process is used to separate the molecules in crude oil?

a)

Filtration

b)

Recrystallisation

c)

Simple distillation

d)

Fractional distillation

24.

Phylogenetics is the study of

a)

DNA

b)

Interactions between organisms

c)

Relationships between groups of organisms

d)

interactions between living & non living things

25.

If the number of protons and neutrons get interchanged inside the nucleus they are called

a)

Isotopes

b)

Neutrons

c)

Mirror isobars

d)

Protons