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Test: Biomacromolecules (NCERT) - NEET MCQ


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5 Questions MCQ Test Biology Class 11 - Test: Biomacromolecules (NCERT)

Test: Biomacromolecules (NCERT) for NEET 2024 is part of Biology Class 11 preparation. The Test: Biomacromolecules (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Biomacromolecules (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Biomacromolecules (NCERT) below.
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Test: Biomacromolecules (NCERT) - Question 1

Why are lipids categorized under the acid insoluble fraction despite not having high molecular weights like other macromolecules?

Detailed Solution for Test: Biomacromolecules (NCERT) - Question 1
Lipids, though they do not have high molecular weights like other macromolecules, are part of the acid insoluble fraction because they arrange into structures like cell membranes. When tissues are ground up, these membranes break into vesicles that are not water-soluble, leading to their categorization as part of the acid insoluble fraction despite their smaller size.
Test: Biomacromolecules (NCERT) - Question 2

What are micromolecules and how are they generally classified in terms of molecular weight?

Detailed Solution for Test: Biomacromolecules (NCERT) - Question 2
Micromolecules are characterized by their relatively small size, with molecular weights typically less than 1000 daltons. These include a variety of small compounds found in the acid soluble pool of the cell, which contrasts with macromolecules that are much larger and form structural and functional components like proteins and nucleic acids.
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Test: Biomacromolecules (NCERT) - Question 3

What is the primary role of the acid soluble pool within cells?

Detailed Solution for Test: Biomacromolecules (NCERT) - Question 3
The acid soluble pool within cells primarily represents the cytoplasmic composition, comprising various small molecules that play roles in cellular metabolism and function. This includes metabolites, ions, and other small biomolecules that are crucial for cellular processes.
Test: Biomacromolecules (NCERT) - Question 4
Which statement best describes the abundance of water in living organisms?
Detailed Solution for Test: Biomacromolecules (NCERT) - Question 4
Water is the most abundant chemical in living organisms, constituting about 70-90% of the total cellular mass. This high percentage highlights its critical role in providing the necessary environment for biochemical reactions and processes within cells.
Test: Biomacromolecules (NCERT) - Question 5
What percentage of the total cellular mass is made up of proteins?
Detailed Solution for Test: Biomacromolecules (NCERT) - Question 5
Proteins constitute a significant portion of the cellular mass, making up about 10-15% of it. This makes them vital for numerous cellular functions, including acting as enzymes, structural components, and signaling molecules.
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