MEDIUM
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Choose the correct statements
I) Inulin is a polymer of glucose
II) Cellulose does not contain complex helices
III) Starch is a polymer with helical secondary structure
IV) Store house of energy in animal tissue is glycogen

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Important Questions on Biomolecules

EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which one of the following hormones though synthesized elsewhere, is stored and release by the master gland?
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
A polysaccharide 'X' on boiling with dil H2SO4 at 393 K under 2-3 atm pressure yields 'Y' 'Y' on treatment with bromine water gives gluconic acid. 'X' contains β-glycosidic linkages only. Compound 'X' is :
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The amino acid tryptophan is the precursor for the synthesis of:
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of these is not an important component of initiation of parturition in humans?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The rigidity of cellulose is due to:
HARD
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which one of the following statements is incorrect?
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates

Identify the product of the following reaction.

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MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates

Give the plausible explanation for the following:

Starch and cellulose both contain glucose unit as monomer, yet they are structurally different.

EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of the given statements is incorrect about glycogen?
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
What is glycogen? How is it different from starch?
HARD
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which one of the following hormones is not involved in sugar metabolism?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
The posterior pituitary gland is not a 'true' endocrine gland because
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Oxytocin and vasopressin are synthesized in
MEDIUM
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of the following hormones that controls blood pressure is secreted by human heart?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Glycogen is an example of
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates
Which of the following is a branched polymer, having branched chain polysaccharide units ?
EASY
Biology>Cell Structure and Function>Biomolecules>Structure and Functions of Carbohydrates

Assertion (A): Starch can hold iodine molecules whereas cellulose cannot hold iodine molecules.

Reason R: Cellulose forms helical secondary structures whereas starch does not contain complex helices.

The correct answer is: