Micro-nutrients are from Biology NEET Year 2006 Free Solved Prev

Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

41.

During anaerobic conditions, the rate of glycolysis increases, is called

  • compensation point

  • extinction point

  • Warburg effect

  • Pasteur effect


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42.

Micro-nutrients are

  • less important in nutrition than macronutrients

  • as important in nutrition as macro-nutrients

  • may be omitted from culture media without any detrimental effect on the plant

  • called micro because they play only minor role in nutrition


B.

as important in nutrition as macro-nutrients

Micro-nutrients are the minerals/elements which are required in less amount by the plants and thus are present in less quantity in the plants but these are as important as the macro-nutrients. Examples of micro-nutrients iron (Fe), manganese (Mn), copper (Cu), zinc (Zn), molybdenum (Mo), boron (B) and chlorine (Cl).


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43.

Hydroponics is a

  • soilless culture

  • airless culture

  • waterless culture

  • none of these


44.

Carrier of fluorosis is

  • CO2

  • chlorine

  • nitrogen

  • water


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45.

Non-genetic RNA is of

  • two types

  • three types

  • only one type

  • none of these


46.

A nucleotide is a molecule consisting of a

  •  hexose sugar, phosphorus and albumen

  • phosphorus, iron and calcium

  • phosphate, 5-carbon sugar and nitrogen base

  • RNA and glucose


47.

Quiescent centre is the zone of

  • least mitotic activity in the root apex

  • least mitotic activity in the shoot apex

  • maximum mitotic activity in the root apex

  • maximum mitotic activity in the shoot apex


48.

Lathyrism is caused by

  • dal

  • moth dal

  • khesari dal

  • Glycine


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49.

Pigment anthocyanin is located in

  • chloroplast

  • chromoplast

  • cytoplasm

  • vacuole


50.

Cell theory was propounded in 1838-39 by

  • Schleiden

  • Schwann

  • Schleiden and Schwann

  • Virchow


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