Inventions and Discoveries
Inventions and Discoveries: Overview
This topic covers the concept of Inventions and Discoveries.
Important Questions on Inventions and Discoveries
Tick the odd man out.
Who founded the cell theory?
Match list-I with list-II and select the correct answer using the codes given below the the lists:
List-I (Contribution)
A. A fungus is the cause of wheat bunt disease
B. Modern techniques of growing microorganisms in pure culture
C. Discovery of disease cycle of wheat rust in India before 1947
D. Introduced the term 'viroid'
List-II (Scientist)
1. K.C.Mehta
2. T.O.Diener
3. Roberson & Luttrell
4. Brefeld
Plant evolution is caused by natural selection among communities. The theory of Natural selection was proposed by:
First discovery of bacteria as plant pathogen was made by:
The term lysosome was first used by _____
Department of posts has launched _______ with the aim of providing fast and reliable postal services to the consumers.
What was the nationality of Alfred Nobel?
Who discovered Radioactivity?
Beadle and Tatum are known for _____
Dynamite contains:
Who is regarded as the father of botany?
Recently American geologists discovered the most abundant mineral on earth's lower mantle known as
Who discovered the hydrometer which provides a scientific measurement of the density of liquids?
Who is the one of Co-Founder of WhatsApp?
Who first invented chemistry?
Electric bulb was invented by
Match List I with List II and select the correct answer using the code given below the lists:
| List I (Scientists) | List II (Discovery) | ||
| A. | Goldstein | 1. | Atomic theory |
| B. | Chadwick | 2. | Proton |
| C. | JJ Thomson | 3. | Neutron |
| D. | John Dalton | 4. | Electron |
Code:
Who actually invented gravity?
Given below are some machines/appliances and the scientific principle on which they are based. Which of the pair is not correct?
