Question

(c)

Give one significant contribution of each of the following scientists:
D.J. Ivanowasky
Camillo Golgi
Christian Gram
(iv) Whittaker​

Answer 1

Answer:

camillo golgi Give one significant contribution of each of the following scientists:

Answer 2

Answer:

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Explanation:

1) D.J. Ivanowasky

D. J. Ivanowsky (1892) found out that certain microbes caused Tobacco Mosaic Disease in tobacco plant. M. W. Beijerinek (1898) called fluid as 'Contagium vivum fluidum' as extracts of infected plants of tobacco could cause infection in healthy plants.

2) Camillo golgi

Camillo Golgi (1843-1926) invented the black reaction in 1873, when he was head physician at the hospice for old people in Abbiategrasso, near Milan. Unlike the procedures that were available before its invention, the black reaction was able to reveal neurons in their entirety, i.e., with all their processes.

3) Cristian gram

It is still known as one of the most important staining techniques used in microbiology to identify bacteria under a microscope. ... Gram first dripped reagents, a substance designed to cause a chemical reaction, onto lung tissue samples.

4) Whittaker

Robert Harding Whittaker (December 27, 1920 – October 20, 1980) was an American plant ecologist, active in the 1950s to the 1970s. He was the first to propose the five kingdom taxonomic classification of the world's biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1969.

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