12
Q:

Who invented waterproof fabrics ?

A) James Dewar B) Charles Goodyear
C) Mary Moore D) Charles Macintosh

Answer:   D) Charles Macintosh



Explanation:

Charles Macintosh (29 December 1766 – 25 July 1843) was a Scottish chemist and inventor of waterproof fabrics.He devoted all his spare time to science, particularly chemistry, and before he was twenty resigned his clerkship to take up the manufacture of chemicals. In this he was highly successful, inventing various new processes. His experiments with one of the by-products of tar, naphtha, led to his invention of waterproof fabrics.

Subject: Inventions
Exam Prep: Bank Exams
Job Role: Bank Clerk
Q:

Who discovered malaria causing germs?

A) Christiaan Bernard B) Charles Louis Alphonse Laveran
C) Dmitry Ivanovsky D) Martinus William Beijerinck
 
Answer & Explanation Answer: B) Charles Louis Alphonse Laveran

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

0 3
Q:

Choose the word which is nearest in meaning to the given word ‘EGREGIOUS’

A) Common B) Social
C) Plain D) Atrocious
 
Answer & Explanation Answer: D) Atrocious

Explanation:

Egregious means outstandingly bad or shocking and Atrocious means cruel or wicked and both words are nearly equal in meaning.

Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

0 20
Q:

Who discovered the Cholera causing germ?

A) Filippo Pacini B) Robert Koch
C) M. Laveran D) Felix Hoffman
 
Answer & Explanation Answer: A) Filippo Pacini

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: AIEEE , Bank Exams

1 33
Q:

Venn diagram was invented by

A) Lucien Vidi B) John Venn
C) Theophilus Van Kannel D) Lewis Urry
 
Answer & Explanation Answer: B) John Venn

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: AIEEE , Bank Exams , CAT

0 13
Q:

Who invented first working laser?

A) A. H. Taylor B) W. K. Roentgen
C) T. H. Maiman D) Fred Morrission
 
Answer & Explanation Answer: C) T. H. Maiman

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

0 11
Q:

Seismometer was invented by

A) Alexander Parkes B) Luigi Palmieri
C) Alexey Pajitnov D) Ransom Eli Olds
 
Answer & Explanation Answer: B) Luigi Palmieri

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: CAT , Bank Exams , AIEEE

0 12
Q:

Prime Minister Narendra Modi inaugurated India's longest rail-road bridge Bogibeel Bridge in which state?

A) Tripura B) Sikkim
C) Assam D) Arunachal Pradesh
 
Answer & Explanation Answer: C) Assam

Explanation:

* Prime Minister Narendra Modi on 25th Dec 2018 inaugurated the 4.94 km long Bogibeel Bridge in Assam.
* It is India’s longest rail-cum-road road bridge, on the river Bramhaputra.
* The bridge is constructed at an estimated cost of 5,800 crore rupees.
* It is situated 17 km downstream of Dibrugarh city in Assam.

Report Error

View Answer Report Error Discuss

Filed Under: Inventions

0 13
Q:

Barometer was invented by

A) Evangelista Torricelli B) Charles Xavier Thomas
C) Edward Teller D) Gustav Tauschek
 
Answer & Explanation Answer: A) Evangelista Torricelli

Explanation:
Report Error

View Answer Report Error Discuss

Filed Under: Inventions
Exam Prep: Bank Exams

0 21