F.Y.B.Pharmacy, Sem II Second Sessional Examination Biochemistry (BP203T)

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Marks Distribution
MCQs: 20M
True or False: 05M
Match the Pairs: 05M
Total : 30M

Name of Student *

PRN no *

Roll no. *

1. Which of the following is precursor for synthesis of Melatonin? *

1 point

Phenyl alanine

Tyrosine

Tryptophan

All of the above

2. SIDS occurs due to *

1 point

Deficiency of carnitine palmitoyl transferase I

Deficiency of carnitine palmitoyl transferase II

Deficiency of medium chain acyl CoA dehydrogenase

Both 1 and 2

3. What is not true about de novo symhesis of fatty acids. *

1 point

Enzyme machinery is located in cytosol

It occurs in liver, mammary glands, adipose tissues

NADH acts as reducing equivalent

Stage 3 reactions are catalysed by fatty acid synthase complex

4. RNA leads to formation of proteins by_____ *

1 point

Transcription

Translation

Replication

Lipase

5. Following enzyme is responsible for condensation of 2 molecule of acetyl co A in ketogenesis. *

1 point

HMG CoA synthase

Beta hydroxybutyrate dehydrogenease

HMG coA lyase

Beta keto thiolase

6. ______ATPs are consumed in urea cycle *

1 point

7. Pyridoxal phosphate is a coenzyme derived from

1 point

Vitamin B2

Vitamin B1

Vitamin B6

Vitamin B12

Clear selection

8. What is not true about folic acid *

1 point

It is synthesized in humans.

It is involved in purine synthesis.

Structural analogs of folic acid are used to treat cancer

None of the above

9. Codons are present on___ *

1 point

mRNA

tRNA

rRNA

none of these

10. Urea cycle disorders lead to built up of ……. In blood *

1 point

Urea

Uric acid

Nitrogen

Ammonia

11. One of the following is absent in the structure of DNA *

1 point

Adenine

Guanine

Cytosine

Uracil

12. Following is not true about cholesterol *

1 point

It is precursor for synthesis of bile acids, vitamin D, steroid hormones.

It is a animal sterol.

Steroid nucleus is metabolized during its degradation

It is component of lipoproteins

13. Defect in hepatic enzyme UDP- glucuronyl transferase causes______ *

1 point

Criglaer-Najjar Syndrome

Obstructive Jaundice

Non- Obstructive Jaundice

None of the above

14. Urine may get mousey order due to *

1 point

Phenyacetate

Acetoacetate

Ketone bodies

All of the above

15. Sugar present in RNA is______ *

1 point

Deoxyribose

Ribose

Heptose

Heptulose

16. When one molecule of palmitic acid is oxidized, …… water molecules are released *

1 point

17. Identify the stop codons *

1 point

UAA

UAG

UGA

All of the above

18. Adenine and thyamine are bound together by_______ *

1 point

3 hydrogen bond

2 hydrogen bond

single hydrogen bond

no hydrogen bond

19. _____serves as collection center of amino acids *

1 point

Pyruvate

Glutamate

Histidine

acetate

20. Cerebrohepatorenal syndrome is characterized by.... *

1 point

Absence of peroxisomes in almost all the tissues

Accumulation of long chain fatty acids in kidney, liver, brain

Long chain fatty acids are not oxidized

All of the above

21. Phenylketonuria is known as black urine disease *

1 point

True

False

22. Structure of RNA follows Chargaffs rule *

1 point

True

False

23. 6-Mercaptopurine is an inhibitor of the synthesis of AMP and GMP

1 point

True

False

Clear selection

24. Transamination is reversible process *

1 point

True

False

25.Albinism occurs due to lack of enzyme tyrosinase

1 point

True

False

Clear selection

26. Match the disorders related to specific enzyme in urea cycle *

5 points

Hyperargininemia

Citrullinemia

Arginosuccinic acidurea

Hyperammonemia type I

Hyperammonemia type II

Carbamoyl Phosphate synthase I

Arginosuccinase

Arginosuccinate synthase

Ornithine transcarbamoylase

Arginase

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