SCIENCE GK

Question 1

father of cellular phone

Answer 1

martin cooper

Question 2

postage meter was invented by

Answer 2

arthur pitney

Question 3

modern periodic table

Answer 3

Mendeleev

Question 4

stereo was invented by

Answer 4

alan blumlein

Question 5

scientist who proved that plants have life

Answer 5

Jagdish Chandra Bose (J.C Bose)

Question 6

instrument use to measure hardness of substance

Answer 6

durometer

Question 7

X-RAY was invented by

Answer 7

W.C Roentgen

Question 8

who discovered north pole

Answer 8

robert peary

Question 9

who invented penicillin (antibiotic)

Answer 9

alexander Fleming

Question 10

vaccination for smallpox and cowpox

Answer 10

Edward jenner

Question 11

who invented the jet engine

Answer 11

sir frank whittle

Question 12

who invented the helicopter

Answer 12

Sikorsky

Question 13

who invented chloroform as aesthetic

Answer 13

James young Simpson

Question 14

telephone was invented by

Answer 14

alexander Grham bell

Question 15

inventor of WEB

Answer 15

Tim Berners -Lee

Question 16

insulin was discovered by

Answer 16

F. Banting

Question 17

who invented the contact lens

Answer 17

Adolf Gaston Eugen Fick

Question 17

who discovered solar system

Answer 17

Copernicus

Question 18

who discovered the electromagnetic nature of light

Answer 18

maxwell

Question 19

quantum theory

Answer 19

plank

Question 20

concept of greenhouse effect

Answer 20

joseph furier

Question 21

study of drugs

Answer 21

pharmacology

Question 22

root pressure is measured by

Answer 22

manometer

Question 23

who invented the universal standard time

Answer 23

Stanford Fleming

Question 24

tachometer

Answer 24

device used to measure speed of rotation

Question 25

who discovered the radioactive element radium

Answer 25

Marie curie

Question 26

radioactive was discovered by

Answer 26

Henri Becquerel

Question 27

crescograph (instrument to measure growth of plant )

Answer 27

Jagdish Chandra Bose

Question 28

study of animal behavior

Answer 28

ethology

Question 29

IVF (in vitro fertilization) was devised by

Answer 29

Patrick Steptoe and Robert Edwards

Question 30

instrument use to study the law of vibrating string

Answer 30

sonometer

Question 31

immunization was developed by

Answer 31

Louise Pasteur

Question 32

electric current is measured by

Answer 32

ammeter

Question 33

anemometer

Answer 33

use to measure speed of wind

Question 34

phycology is the study of

Answer 34

algae

Question 35

who discovered the Blood Group

Answer 35

Karl Landsteiner

Question 36

who invented the battery

Answer 36

volta

Question 37

araneology is the study of

Answer 37

Spiders

Question 38

planimeter is used to measure

Answer 38

area

Question 39

arboriculture

Answer 39

tree, shrubs and other wooden plants

Question 40

who discovered electron in 1897

Answer 40

JJ. THOMPSON

Question 41

who discovered the cell in 1665

Answer 41

ROBERT HOOKE

Question 42

Study of cell

Answer 42

cytology

Question 43

who invented electric motor

Answer 43

Michael faraday

Question 44

who invented the photon

Answer 44

albert einstein in 1905

Question 45

EARTH MASS

Answer 45

5.98 × 10²⁴ kilograms

Question 46

moon mass

Answer 46

7.36 × 10²² kilograms.

Question 47

earth and moon mass ratio

Answer 47

81:1

Question 48

largest muscle in body

Answer 48

Gluteus maximus (buttock muscle)

Question 49

smallest muscle in body

Answer 49

STAPEDIUS (EAR)

Question 50

LARGEST ARTERY

Answer 50

AORTA

Question 51

LARGEST VEIN

Answer 51

INFERIOR VENA CAVA

Question 52

LARGEST AND LONGEST NERVE

Answer 52

SCIATIC NERVE

Question 52

LONGEST CELL

Answer 52

NEURON (NERVE CELL)

Question 52

LARGEST AND STRONGEST BONE

Answer 52

FEMUR

Question 52

SMALLEST WHITE BLOOD CELL (WBC)

Answer 52

LYMPHOCYTE

Question 52

SMALLEST BONE

Answer 52

STAPES (EAR)

Question 52

(R.B.C) OTHER NAME

Answer 52

ERYTHROCYTES

Question 52

LARGEST WHITE BLOOD CELL (WBC)

Answer 52

MONOCYTES