Essentiale - Biomolecules Biomolecules Biology - XI NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Most common element present in human body is:

1.	Oxygen	2.	Carbon
3.	Hydrogen	4.	Sulfur

Subtopic: Element Analysis |

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When we homogenize any tissues in an acid the acid soluble pool represents

1.	Cytoplasm	2.	Cell membrane
3.	Nucleus	4.	Mitochondria

Subtopic: Introduction |

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Consider the following statements:

I:	Glycine is the simplest amino acid, with a hydrogen atom as its side chain (R group).
II:	Tryptophan is an aromatic amino acid.
III:	Lysine is an acidic amino acid.

1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

Subtopic: Different Amino Acids |

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Identify the given biomolecule:

1.	Thymine	2.	Thymosine
3.	Thymidylic acid	4.	Cytidylic acid

Subtopic: Nucleic Acid: Nucleotides |

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Many organic substances are negatively charged e.g., acetic acid, while others are positively charged e.g., ammonium ion. An amino acid under certain conditions would have both positive and negative charges simultaneously in the same molecule. Such a form of amino acid is called
1. Positively charged form
2. Negatively charged form
3. Neutral form
4. Zwitter ionic form

Subtopic: Amino Acids |

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Which of the following is not an aromatic amino acid?

1. Phenylalanine	2. Threonine
3. Tyrosine	4. Tryptophan

Subtopic: Amino Acids |

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An amino acid that is negative charged amongst the following will be:

1. Glutamic acid	2. Lysine
3. Arginine	4. Histidine

Subtopic: Amino Acids |

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The simplest α amino acid is:

1.	Glycine	2.	Alanine
3.	Serine	4.	Lysine

Subtopic: Amino Acids |

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Match each item in Column I with only one item in Column II and select the correct match from the codes given:

Column I [Component]	Column II [% of the total cellular mass]
A. Protein	P. 2
B. Carbohydrates	Q. 1
C. Lipids	R. 5-7
D. Nucleic acids	S. 3
	T. 10-15
	U. 70-90

Codes:

	A	B	C	D
1.	U	P	R	Q
2.	T	S	P	R
3.	T	P	S	R
4.	P	Q	R	S

Subtopic: Introduction |

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Identify the amino acid shown in the given figure:

1.	Glycine	2.	Alanine
3.	Serine	4.	Lysine

Subtopic: Amino Acids |

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Select Chapter Topics:

Element Analysis

Nucleic Acid

Nucleic Acid: Nucleotides

The DNA

Amino Acids

Proteins

Carbohydrates

Lipids

Enzymes

Enzymes Classification

Enzyme Catalysis

Factors Affecting Enzyme Catalysis Reaction

Enzyme Cofactors

Enzyme Inhibition: Introduction

Enzyme Inhibition

Properties of Enzymes

Mechanism of Enzymes

Enzyme Introduction

Introduction

Lipids: Fatty Acids

Lipids: Glycerolipids, Phospholipids & Glycerol

Different Amino Acids

Primary & Secondary Metabolites

Introduction to Proteins

Zwitter ion & Peptide Bond

Structural Organisation of Proteins

Carbohydrates: Introduction

Carbohydrates: Glycosidic Bond & Disaccharide

Carbohydrates: Starch & Glycogen

Carbohydrates: Cellulose, Chitin, Inulin & Agar

Double Helix : Watson & Crick

Biomacromolecules

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Select Chapter Topics:

Element Analysis

Nucleic Acid

Nucleic Acid: Nucleotides

The DNA

Amino Acids

Proteins

Carbohydrates

Lipids

Enzymes

Enzymes Classification

Enzyme Catalysis

Factors Affecting Enzyme Catalysis Reaction

Enzyme Cofactors

Enzyme Inhibition: Introduction

Enzyme Inhibition

Properties of Enzymes

Mechanism of Enzymes

Enzyme Introduction

Introduction

Lipids: Fatty Acids

Lipids: Glycerolipids, Phospholipids & Glycerol

Different Amino Acids

Primary & Secondary Metabolites

Introduction to Proteins

Zwitter ion & Peptide Bond

Structural Organisation of Proteins

Carbohydrates: Introduction

Carbohydrates: Glycosidic Bond & Disaccharide

Carbohydrates: Starch & Glycogen

Carbohydrates: Cellulose, Chitin, Inulin & Agar

Double Helix : Watson & Crick

Biomacromolecules

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