BCH 201 CBT PRACTICE TEST

Ace/Undergragra March 23, 2023

0 12 1 minute read

Join Our Telegram Channel For Latest Updates click here
Join our WhatsApp TV For Latest Updates Click here

Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace BCH 201 exam

In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions

Note

Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A

60 – 69 B

50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

I wish you success

FUOYE 200 LEVEL GENERAL GRP

https://chat.whatsapp.com/IoksMO3CsGM4N7eie1Gjf8

To get latest school updates

https://wa.me/message/UCYVTYIVGGQNP1

I remain your favorite education blogger

Undergragra

0 votes, 0 avg

208

Created on March 20, 2023 By

Ace/Undergragra

BCH 201

1 / 40

1. Which of the following is a function of chaperone protein?

A. It rescues proteins that have folded improperly and allowed them to refold properly

B. It degrades proteins that have folded improperly

C. provides a template for how the proteins should fold

D. It degrades proteins that have folded improperly

E. It degrades proteins that have folded properly

2 / 40

2. When compared to the first immune response to the same antigen, which of the following is not a hallmark of the secondary immune response?

A. Antibody produced has a greater affinity for the antigen

B. Many antibodies are produced

C. Antibody is generated fast

D. Antibody is generated without T-cell help

3 / 40

3. Which of the following proteins does not function in cell-cell interaction?

A. Cytochrome c

B. N-CAM

C. Integrin

D. Cadherin

4 / 40

4. Which of the following temperature best suits the growth and multiplication of transformed cells?

A. 37°C

B. 25°C

C. 26°C

D. 30°C

5 / 40

5. Which of the following membranes contain low cholesterol and high cardiolipin?

A. Plasma membrane

B. Inner mitochondrial membrane of the hepatocyte

C. Myelin sheath

D. Cell wall

6 / 40

6. In which of the following, glucose residues are linked by β1 &arr; 4 glycosidic bonds?

A. Cellulose

B. Glycogen

C. Starch

D. Amylose

7 / 40

7. Which of the following enzyme catalyzes a reaction that introduces reduced nitrogen ito cellular metabolism?

A. Bacterial denitrogenate oxidase

B. Phosphatase

C. Bacterial glutamine synthase

D. Bacterial denitrogenate reductase

8 / 40

8. Which of the following statements is correct about column chromatography?

A. Mobile phase is a porous solid material kept in the column with appropriate chemical characteristics

B. Mobile phase is a porous solid material kept in the column with appropriate chemical characteristics

C. Resolution improves as column length increases

D. Large proteins exit the column faster than tiny proteins

9 / 40

9. Which of the following makes water a liquid at room temperature?

A. Van der Waals forces of attraction

B. Covalent bonding

C. Hydrogen bonds between water molecules

D. Noncovalent interactions

10 / 40

10. Which of the following is not correct about phosphorylation by IRS on serine residue?

A. It is an inhibitory phosphorylation

B. It increases insulin levels

C. It is molecular mechanism for insulin resistance

D. Target tissues fail to respond to circulating insulin

11 / 40

11. Who deduced the double-helical structure of DNA?

A. Anton van Leeuwenhoek

B. Mendel

C. Frederick Sanger

D. Watson and Francis Crick

12 / 40

12. Based on which of the following enzymes Hydrolysis reactions are catalyzed?

A. Hydrolase

B. Ligase

C. Somerase

D. Oxidoreductase

13 / 40

13. Which of the following is a choline-containing lipid?

A. Sphingomyelin

B. Phosphatidylglycerol

C. Phosphatidylserine

D. Phosphatidylethanolamine

14 / 40

14. The degree of ionization does not depend on which of the following parameter?

A. Concentration

B. Current

C. Nature of solvent

D. Temperature

15 / 40

15. Which of the following involves carrying genetic information from DNA for protein synthesis?

A. sn-RNA

B. m-RNA

C. r-RNA

D. t-RNA

16 / 40

16. Which of the following membrane lipids have a direct glycosidic linkage between the head-group sugar and the backbone glycerol?

A. Sphingolipids

B. Phospholipids

C. Glycolipids

D. Ether lipids

17 / 40

17. Which of the following hormone is responsible for the activation of phospholipase C?

A. Cortisol

B. Adrenaline

C. Vasopressin

D. Serotonin

18 / 40

18. The stability of an α-helix is not affected by which of the following?

A. Bulkiness

B. I nteraction between R groups spaced three residues apart

C. Electrostatic repulsion

D. Occurrence of alanine and glycine residues

19 / 40

19. When the velocity of enzyme activity is plotted against substrate concentration, which of the following is obtained?

A. Hyperbolic curve

B. Straight line with positive slope

C. Straight line with negative slope

D. Parabola

20 / 40

20. Which of the following mixture in aqueous solution of equimolar concentration acts as a buffer solution?

A. H2 SO4 + KOH

B. CH3 COOH + NaOH(excess)

C. NH4OH (excess) + HCl

D. HNO3 + NaOH

21 / 40

21. The heat of vaporization of water is ________

A. 2060 kJ/g

B. 1260 kJ/g

C. 2260 J/g

D. 1060 J/g

22 / 40

22. Recombinant DNA construction involves ____________

A. Cleaving DNA with a restriction endonuclease and joining with ligase

B. Cleaving DNA with ligase and joining with endonuclease

C. Cleaving and joining DNA with restriction endonuclease

D. Cleaving DNA with a restriction endonuclease and joining with polymerase

23 / 40

23. Which of the following is true about tm?

A. It can be termed as renaturation temperature

B. The higher the content of G ≡ C base pairs, the lower the tm

C. The higher the content of G ≡ C base pairs, the higher the tm

D. The higher the content of A = T base pairs, the higher the tm

24 / 40

24. The relationship between oxygen concentration and the fraction of binding sites occupied in myoglobin can best be described as ________

A. Hyperbolic

B. Parabolic

C. Linear with a negative slope

D. Linear with a positive slope

25 / 40

25. How many types of signal transducers are there?

A. 8

B. 4

C. 6

D. 7

26 / 40

26. Which of the following involves carrying genetic information from DNA for protein synthesis?

A. m-RNA

B. sn-RNA

C. r-RNA

D. t-RNA

27 / 40

27. Which of the following is true about the Z-DNA helix?

A. It tends to be found at the 3’ end of the genes

B. It is a permanent conformation of DNA

C. It has alternating GC sequences

D. It has fewer base pairs per turn than B-DNA

28 / 40

28. Which of the following is abundantly found in collagen?

A. Serine

B. Tryptophan

C. Glycine

D. Alanine

29 / 40

29. Arrangement of nucleotides in DNA can be seen using which of the following instruments?

A. Ultracentrifuge

B. Light microscope

C. X-Ray crystallography

D. Electron microscope

30 / 40

30. Which of the following catalyzes the reversible degradation of 2-phosphoglycerate to phosphoenolpyruvate?

A. Trypsin

B. Enolase

C. Hexokinase

D. Chymotrypsin

31 / 40

31. Which of the following are important for white blood cell recognition?

A. Glycosaminoglycans

B. Proteoglycans

C. Glycoproteins

D. Glycolipids

32 / 40

32. Which of the following is an example of epimers?

A. Galactose & Mannose

B. Glucose & Galactose

C. Glucose & Ribose

D. Mannose & Glucose

33 / 40

33. Which of the following is termed as conserved gene order?

A. Synteny

B. Ortholog

C. Microarray

D. Paralog

34 / 40

34. Which of the following enzyme is used in PCR?

A. HRP

B. EcoRII

C. EcoRI

D. Taq DNA polymerase

35 / 40

35. Which of the following is true about phosphodiester linkage?

A. 3’-phosphate group of one nucleotide unit is joined to the 5’-hydroxyl group of the next nucleotide

B. 3’-phosphate group of one nucleotide unit is joined to the 3’-hydroxyl group of the next nucleotide

C. 5’-phosphate group of one nucleotide unit is joined to the 5’-hydroxyl group of the next nucleotide

D. 5’-phosphate group of one nucleotide unit is joined to the 3’-hydroxyl group of the next nucleotide

36 / 40

36. The number of milligrams of KOH required to neutralize the free and combined fatty acid in one gram of a given fat is called __________

A. Iodine number

B. Saponification number

C. Polenske number

D. Acid number

37 / 40

37. Which of the following is a intracellular second messengers?

A. Glutamate

B. IP3

C. Acetylcholine

D. Glycine

38 / 40

38. Which of the following is a 39-residue hormone of the anterior pituitary gland?

A. Glucagon

B. Insulin

C. Bradykinin

D. Corticotropin

39 / 40

39. Which of the following is an imino acid?

A. Proline

B. Serine

C. Alanine

D. Glycine

40 / 40

40. Meristem culture helps in developing which of the following?

A. Disease resistant plants

B. Hybrid plants

C. Tall plants

D. Virus free plants

Your score is

The average score is 50%

Ace/Undergragra March 23, 2023

0 12 1 minute read

BCH 201 CBT PRACTICE TEST

Ace/Undergragra

FUOYE BIO 102 CBT PRACTICE TEST

FUOYE MTH 102 CBT PRACTICE TEST

BUS 102 CBT PRACTICE TEST

FUOYE GST 103 CBT TEST

Things To Take To School As A Fresher In 2023/24

FUTO Aspirants Whatsapp Group Chat 2022/23 Updated (Free)

FUOYE GST 101 CBT TEST EXAM MODE

Sorry no admission Is given yet meaning and what to do in 2023

FUOYE 100 LEVEL PDFs(2nd Semester Added)

Ace/Undergragra

Subscribe to our mailing list to get the new updates!

GST 205 CBT PRACTICE TEST

BIO 101 CBT PRACTICE TEST

FUOYE BIO 102 CBT PRACTICE TEST

FUOYE MTH 102 CBT PRACTICE TEST

BUS 102 CBT PRACTICE TEST