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11th Biology Monthly Test - 1 ( Bio - Botany - Biomolecules )

MABS Institution

11th Biology Monthly Test - 1 ( Bio - Botany - Biomolecules )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

_______________ are made of hundreds of monosaccharide units.

Disaccharides
Hydrolysis
Glycosidic bond
Polysaccharides

Glycogen is not seen in_____________________cells

liver
skeletal
muscle
brain

Major site for the synthesis of lipids

Rough ER
smooth ER
Centriole
Lysosome

The enzyme which removes hydrogen from the substrate is known as:

Oxido-reductase
Dehydrogenase
Hydrogenase
Hydrolyses

In a water molecule, the hydrogen and oxygen atom stick together by:

Monovalent bond
Covalent bond
Hydrogen bond
None of the above

The 3'end of DNA has the _______________

Phosphate group
OH group
20 A°
Plectonemic coiling

Which one is a simple protein?

Albumin
Nucleoprotein
Lipoprotein
Glycoprotein

__________________ is the breaking down of larger molecules.

Enzymes
Anabolic
Catabolic
RUBISCO

_______________ is a polymeric molecule essential in various biological roles.

Ribonucleic acid
messenger RNA
Prokaryotic mRNA
transfer RNA

Who got noble prize for the finding of helical structure of DNA?

Rosalind Franklin and Erwin Chargaff
Maurice Wilkins and Rosalind Franklin
James, Watson "and Francis Crick
Robert Hooke and Robert Brown

Part - B

Generic 2 - Answer All Question

What is a prosthetic group?

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component" X" in it.

CATEGORY COMPOUND

Cholesterol Guanine

Amino acid NH₂

Nucleotide Adenine

Nucleoside Uracil

Name the three forms of DNA.

How do herbivores digest cellulose?
Classify polysaccharides based on function.

Give an example for simple sugar with its formula.

What is meant by activation energy?

What are steroids? Explain with an example.

Which type of cell division occurs in reproductive cells? What will be the result?

How do you call a fatty acid as saturated or unsaturated?

Part - C

Generic 3 - Answer All Question

Write a note on RUBISCO.

Explain ribosomal RNA. Add a note on its function.

Why the sugar in DNA is a deoxyribose?

Write a short note on Membrane Lipids

What is Agar?
What are Proteins?

What is Allosteric inhibitor ?

Explain the composition of triglyceride

What is mRNA?

What is lock and key mechanism?

Part - D

Generic 5 - Answer All Question

Flow chart of Carbohydrates.

Give a detailed account on Enzyme Co-factors.

Describe the Competitive & Non-Competitive Inhibitors of enzyme.

Write down the properties of enzymes

Explain Lock & Key Mechanism of Enzymatic reaction.

How will you identify the presence of glucose in a given food sample.
Describe the importance of cofactors for enzyme efficient activity.

Write a note on the Structure of proteins.

Explain the various types of chemical bonding in proteins.

How are enzymes classified?

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