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Test: Primary & Secondary Metabolites


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10 Questions MCQ Test Biology Class 11 | Test: Primary & Secondary Metabolites

Test: Primary & Secondary Metabolites for NEET 2022 is part of Biology Class 11 preparation. The Test: Primary & Secondary Metabolites questions and answers have been prepared according to the NEET exam syllabus.The Test: Primary & Secondary Metabolites MCQs are made for NEET 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Primary & Secondary Metabolites below.
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Test: Primary & Secondary Metabolites - Question 1

Metabolic intermediates found in living system which are essential for growth and life is called___________

Detailed Solution for Test: Primary & Secondary Metabolites - Question 1

Primary metabolites are the essential metabolic intermediates of the plants which help in the growth and development of the plant.

Test: Primary & Secondary Metabolites - Question 2

Select the odd one out from the following

Detailed Solution for Test: Primary & Secondary Metabolites - Question 2

Alkaloids are secondary metabolites, where as rest are primary metabolites

Test: Primary & Secondary Metabolites - Question 3

The most abundant component of a cell is

Detailed Solution for Test: Primary & Secondary Metabolites - Question 3

The Molecular Composition of CellsCells are composed of water, inorganic ions, and carbon-containing (organic) molecules. Water is the most abundant molecule in cells, accounting for 70% or more of total cell mass.

Test: Primary & Secondary Metabolites - Question 4

Which of the following secondary metabolites is wrongly matched?

Detailed Solution for Test: Primary & Secondary Metabolites - Question 4

Pigments - Carotenoids,Anthocyanins
Toxins - Abrin, Ricin
Polymeric substance - Rubber, Gums
Alkaloids - Morphine, Codeine.

Test: Primary & Secondary Metabolites - Question 5

Which of the following are the most diverse molecules of a cell?

Detailed Solution for Test: Primary & Secondary Metabolites - Question 5

Four major classes of macromolecules may be identified, these are proteins, polysaccharides, lipids, and nucleic acids. Out of all macromolecules found in the cell, the proteins are most chemically and physically diverse. 

Test: Primary & Secondary Metabolites - Question 6

Joining of repeating units to form a macromolecule is called

Test: Primary & Secondary Metabolites - Question 7

The naturally occurring form of amino acid in proteins

Detailed Solution for Test: Primary & Secondary Metabolites - Question 7

Only L-amino acids are building blocks of proteins.
The amino acids are all chiral, with the exception of glycine, whose side chain is H. As with lipids, biochemists use the L and D nomenclature. All naturally occurring proteins from all living organisms consist of L amino acids. The absolute stereochemistry is related to L-glyceraldehyde.

Test: Primary & Secondary Metabolites - Question 8

Which of the following biomolecules are not strictly macromolecules?

Detailed Solution for Test: Primary & Secondary Metabolites - Question 8

Macromolecules are giant molecules that are produced by the bonding of smaller molecules. Carbohydrates, lipids, proteins and nucleic acids are all considered to be macromolecules. 
A polysaccharide is one type of macromolecule made up of monosaccharides like glucose and fructose. 

Test: Primary & Secondary Metabolites - Question 9

Which of the following does a protein yield on hydrolysis?

Test: Primary & Secondary Metabolites - Question 10

Which one of the following is wrongly matched?

Detailed Solution for Test: Primary & Secondary Metabolites - Question 10

An enzyme is a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. Whereas, Lipopolysaccharides (LPS), also known as lipoglycans and endotoxins, are large molecules consisting of a lipid and a polysaccharide composed of O-antigen, outer core and inner core joined by a covalent bond; they are found in the outer membrane of Gram-negative bacteria.

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