List of top Biochemistry Questions asked in CUET (PG)

Match List I with List II and choose the correct matches:

List - IList - II
A. SnRNAI. Serves as precursor for mRNA
B. LncRNAII. Inhibits gene expression
C. miRNAIII. Regulates mRNA synthesis
D. hnRNAIV. Involved in mRNA processing

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Enzymes are classified on the basis of reaction they catalyze. Which of the following are correct combinations? A. Oxidoreductase: Oxidation-reduction reaction B. Transferases: Transfer of group C. Hydrolases: Catalyze hydrolysis D. Lyases: Addition of group E. Ligases: Catalyze inter-conversion of group Choose the correct answer from the options given below:
Which immune system fails to discriminate between self and non-self? A. Insulin-dependent diabetes ($\beta$-cell antibodies) B. Asthma (antibodies against lung cells) C. Myasthenia gravis (acetylcholine receptor autoantibodies) D. Hepatitis (antibody against hepatic cells) E. Rheumatoid arthritis (antibodies against joint protein) Choose the correct answer from the options given below:
The complement system helps the body immunity in following 4 ways. Its correct sequences is: A. Inflammatory reaction, B. Opsonization, C. Complement fixation, D. Clearance of antigen-antibody complexes Choose the correct answer from the options given below:
Enzymes used in recombinant research are: A. Terminal Transferases B. Pyruvate kinase C. Reverse Transcriptase D. Hexokinase Choose the correct answer from the options given below:
Recent studies using GFP fusion proteins have allowed study of protein dynamics in living cells. Initially, GFP was derived and cloned from:

Match List - I with List - II.

List - IList - II
A. Biuret reactionsI. \(\alpha\)-Amino acid
B. Ninhydrin testII. Two peptide linkage
C. Millon's reactionIII. Guanidino group
D. Sakaguchi reactionIV. Phenolic group (Tyr)

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Match List I with List - II.

List - IList - II
A. AlbuminI. Damage to kidneys or urinary tract
B. HemoglobinII. Kidney damage
C. GlucoseIII. Diabetes mellitus
D. Bile pigmentsIV. Obstructive jaundice

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Genetic Disorders in human is/are: A. Down's syndrome - Trisomy at chromosome 21 B. Parkinson's disease - Tyrosine hydroxylase C. Diabetes mellitus D. Phenylketonuria - Phenylalanine hydroxylase Choose the correct answer from the options given below:
Blood glucose/glycation value of a non-diabetic person:

A. 140-199 mg/dL

B. \(5.5\ \text{HbA}_{1\text{c}}\)

C. 75-100 mg/dL

D. \(7.0\ \text{HbA}_{1\text{c}}\)

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Match List - I with List - II.

List - IList - II
A. 6-mercaptopurineI. Monoclonal antibody
B. MitomycinII. Platinum compound
C. CisplatinIII. Antibiotic
D. ImatinibIV. Purine analogue

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Identify the proteins with correct function:

A. Cytochrome C - Electron Transport chain

B. Hemoglobin - Storage of \(\text{O}_{2}\) in muscle

C. Catalase - Degradation of hydrogen peroxides

D. Myoglobin - Transport of \(\text{O}_{2}\) in blood

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An axonal process 2 meter long is originating in spinal cord and terminating in the muscles of toes. If the average velocity of a vesicle is \(1\ \mu\text{m/s}\) how long does it take a vesicle to move from a cell body in the spinal cord to the axonal tip in the toes?

Match List - I with List - II.

List - IList - II
A. Epidermal growth factor (EGF)I. Monocyte
B. Platelet derived growth factor (PDGF)II. Salivary gland, fibroblast
C. Transforming growth factor (TGF-\(\alpha\))III. Platelet
D. Tumor necrosis factor (TNF-\(\alpha\))IV. Epithelial cells

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Identify the steps in the formation of vitamin \(\text{D}_{3}\):

A. Vitamin \(\text{D}_{4}\) \(\rightarrow\) 25-Hydroxycholecalciferol

B. Provitamin \(\text{D}_{3}\) \(\xrightarrow{\text{Sunlight}}\) Vitamin \(\text{D}_{3}\)

C. 7-Dehydrocholesterol \(\xrightarrow{\text{Sunlight}}\) Provitamin D

D. 25-Hydroxycholecalciferol \(\rightarrow\) Vitamin \(\text{D}_{3}\)

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Some of the Bile acids are: A. Deoxycholic acid, B. Oxalic acid, C. Taurocholic acid, D. Acetoacetic acid Choose the correct answer from the options given below:
Correct sequence of electron transport chain reactions is:

A. Substrate \(\rightarrow\) \(\text{NAD}^{+}\)

B. \(\text{NAD}^{+}\) \(\rightarrow\) FMN

C. \(\text{CoQ}\) \(\rightarrow\) \(\text{Cyt b}\)

D. \(\text{FMN}\) \(\rightarrow\) \(\text{CoQ}\)

E. \(\text{Cyt a}\) \(\rightarrow\) \(\text{Cyt a}_{3}\)

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Unique features of metabolism of principal organs is/are:

A. Heart: Transport of \(\text{O}_{2}\)

B. Adipose tissue: Rapid movement

C. Kidney: Excretion and gluconeogenesis

D. Brain: Coordination of nervous system

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Inherited disorders of purine metabolism is/are: A. Lesch-Nyhan syndrome due to Adenosine deaminase B. Xanthinuria due to xanthine oxidase C. Renal lithiasis due to adenosine deaminase D. Gout due to PRPP synthetase Choose the correct answer from the options given below:
The DNA-binding domain of steroid receptors is located:

Match List I with List - II.

List - IList - II
A. Hyperammonemia type II. Arginase
B. Hyperammonemia type IIII. Arginosuccinate synthase
C. CitrullinemiaIII. Ornithine transcarbamoylase
D. HyperargininemiaIV. Carbamoyl phosphate synthase

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Steps in the metabolism of Tyrosine.

A. Phenylalanine \(\xrightarrow{\text{Phenylalanine hydroxylase}}\) Tyrosine

B. Homogentisate \(\rightarrow\) Fumarate

C. Tyrosine \(\xrightarrow{\text{Tyrosine Transaminase}}\) hydroxyphenyl pyruvate

D. Phenylalanine \(\xrightarrow{\text{Phenylalanine dehydrogenase}}\) Homogentisate

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Correct sequence of steps of citric Acid Cycle: A. Succinyl CoA, B. Acetyl CoA, C. Citrate, D. $\alpha$-ketoglutarate, E. Malate Choose the correct answer from the options given below:
Different forms of Vitamin A are: A. Retinal (Vitamin A aldehyde) B. Retinyl Palmitate (Vitamin A acid) C. Retinol (Vitamin A alcohol) D. Retinyl ester (Vitamin A ester) E. $\beta$-carotene (provitamin A) Choose the correct answer from the options given below:
A person is eating polished rice throughout his life, deficiency of which vitamins he/she is likely to have?