Tools Techniques - Questions & Answers | Exam2Win

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286. Microscope used for detecting defects in electrical conductors and computer chips is

A. Atomic force microscope

B. Scanning tunneling microscope

C. X-ray crystallography

D. Scanning electron microscope

Explanation:

287. A thin layer of cellulose or alumina powder is used for separating chemicals in

A. Column chromatography

B. Paper chromatography

C. Thin layer chromatography

D. Partition chromatography

Explanation:

288. Safranin stains

A. Cellulose

B. Lignified wall

C. Starch

D. Protein

Explanation:

289. Autoradiography is employed for knowing

A. Photorespiration

B. Pathway of carbon assimilation

C. Absorption maxima of photosynthetic pigments

D. Evolution of oxygen during photosynthesis due to photolysis of water

Explanation:

290. Which one is a proper unit for measurement in microscopy

A. Micron

B. Angstrom

C. Nanometre

D. All the above

Explanation: