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14.biomolecules KCET PYQs

This document provides 18 multiple choice questions about biomolecules. The questions cover topics like vitamins, carbohydrates, proteins, nucleic acids, and other biomolecules. They assess knowledge of vitamin deficiencies, carbohydrate linkages in sugars and starches, nucleic acid base pairing, essential amino acids, and the structure and function of biomolecules like glycogen. The questions range from 2015 to 2020, indicating they are likely practice questions for an exam on biomolecules.

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Punith kumar
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5K views1 page

14.biomolecules KCET PYQs

This document provides 18 multiple choice questions about biomolecules. The questions cover topics like vitamins, carbohydrates, proteins, nucleic acids, and other biomolecules. They assess knowledge of vitamin deficiencies, carbohydrate linkages in sugars and starches, nucleic acid base pairing, essential amino acids, and the structure and function of biomolecules like glycogen. The questions range from 2015 to 2020, indicating they are likely practice questions for an exam on biomolecules.

Uploaded by

Punith kumar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Biomolecules

(Average Marks:3.17)
For: KCET 2021
1. Which one of the following vitamins is not d) C – 1 of α – glucose and C – 4 of 𝛽 –
stored in adipose tissue? (2020) fructose (2017)
a) A b) B6 c) D d) E 11. Pick the wrong statement from the following
2. Hypothyroidism is caused by the deficiency a) Consumption of citrus fruits and green
of (2020) leafy vegetables in food prevents scurvy
a) Vitamin B-12 b) Adrenalin b) Deficiency f vitamin B6 (pyridoxine)
c) Thyroxine d) Glucocorticoid
results in convulsions
3. C1-C4 glycosidic bond is NOT found in
a) Maltose b) Sucrose c) Sources of vitamin B1 are yeast, milk,
c) Lactose d) Starch (2020) green vegetables and cereals.
4. In nuclei acids, the nucleotides are joined
together by d) Deficiency of vitamin D causes
a) phosphoester linkage xerophthalmia (2017)
b) phosphodiester linkage 12. Hormones are secreted by ductless glands of
c) phosphodisulphide linkage human body. iodine containing hormone is
d) sulphodiester linkage (2019) a) Insulin b) Adrenaline
5. Which of the following is generally water c) Testosterone d) Thyroxine (2017)
insoluble? 13. Which of the following gives positive
a) Fibrous protein b) Vitamin C Fehling’s solution test?
c) Amylose d) glycine (2019) a) Sucrose b) Glucose
6. The vitamin that helps in clotting of blood is c) Fats d) Protein (2016)
a) A b) C 14. Which of the following is correct about
c) B2 d) K (2019) H-bonding in DNA?
7. Which of the following will be the most a) A – T, G – C b) A – G, T – G
present in DNA? c) G – T, A – C d) A – A, T – T
a) Adenine b) Guanine (2016)
c) Cytosine d) Uracil (2018) 15. One of the following is an essential amino
8. The two forms of D-glucopyranose are called acid.
a) Cysteine b) Serine
a) Diastereomers b) anomers c) Tyrosine d) Isoleucine (2015)
c) epimers d) enantiomers (2018) 16. Cheilosis and digestice disorders are due to
9. The glycosidic linkage involved in linking the deficiency of
the glucose units in amylase part of starch is a) ascorbic acid b) pyridoxine
a) C1 – C4 𝛽-linkage c) thiamine d) riboflavin (2015)
b) C1 – C6 α-linkage 17. Adenosine is an example of
c) C1 – C6 𝛽-linkage a) purine base b) nucleoside
d) C1 – C4 α-linkage (2018) c) nucleotide d) pyrimidine base
10. The glycosidic linkage present in sucrose is (2015)
between 18. Glycogen is
a) C – 1 of α – glucose and C – 2 of 𝛽 – a) a structural polysaccharide
fructose b) Structural similar to amylopectin but
b) C – 1 of 𝛽 - galactose and C – 4 of α – extensively branched
glucose c) A polymer of 𝛽-D-glucose units
c) C – 1 of α – glucose and C – 4 of α – d) Structurally very much similar to
glucose amylopectin (2015)

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