science

M. J. Narasimhan

M. J. Narasimhan is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand M. J. Narasimhan rather than just read about it. In short: Mandayam Jeersannidhi Narasimhan (1 July 1891 – 24 September 1970) was a pioneering Indian plant pathologist and mycologist who worked in the state of Mysore. Narasimhan was born in Madras in a family of scholars, with a grandfather who had collaborated with Max Müller.

Key takeaways

M. J. Narasimhan belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect M. J. Narasimhan to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of M. J. Narasimhan from memory before moving on to harder problems.

Reference excerpt

Mandayam Jeersannidhi Narasimhan (1 July 1891 – 24 September 1970) was a pioneering Indian plant pathologist and mycologist who worked in the state of Mysore. Narasimhan was born in Madras in a family of scholars, with a grandfather who had collaborated with Max Müller. Narasimhan went to the Madras Presidency College, studying botany under P.F. Fyson, and was also influenced by his cousin M.O.P. Iyengar. He joined as an assistant mycologist under Leslie Coleman in 1913 in Mysore. He was involved in the studies of koleroga of arecanut. He also studied Hemileia vastatrix and its control in coffee. He retired in 1946 as director of agriculture in Mysore. A son, M.J. Thirumalachar also took to mycology and along with him he studied Sclerospora mildews and described the new genus Sclerophthora. The genera Narasimhania (Doassansiales) and Narasimhella (Gymnoascaceae) and the several species including Tilletia narasimhanii, Burrillia narasimhanii, Physoderma narasimhanii, and Cercospora narasimhanii have been named after him. He was elected a Fellow of the Indian Academy of Sciences in 1935.

References

External links Indian Phytopathological Society

Illustrations

Worked examples

Example 1 — a first encounter with M. J. Narasimhan

Start with the simplest possible case. Write down what M. J. Narasimhan claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to M. J. Narasimhan before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about M. J. Narasimhan ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of M. J. Narasimhan

In research: M. J. Narasimhan appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses M. J. Narasimhan in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: M. J. Narasimhan is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1891 births, 1970 deaths, 20th-century agronomists, so understanding it makes those chapters shorter.
In everyday life: Look for M. J. Narasimhan outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study M. J. Narasimhan in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what M. J. Narasimhan means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain M. J. Narasimhan out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is M. J. Narasimhan in simple terms?

Why does M. J. Narasimhan matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study M. J. Narasimhan?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on M. J. Narasimhan.