Junior Clerk Mixed Practice Test #699

Question 1

The tertiary structure of a protein is critical for its biological function and often determines the specificity of drug binding. Which type of bond or interaction is least likely to contribute significantly to the stabilization of a protein's tertiary structure?

Accepted Answer

D. Peptide bonds — Peptide bonds form the primary structure (amino acid sequence) of a protein, linking amino acids together. While fundamental, they do not directly contribute to the intricate folding and stabilization that defines the tertiary structure. Hydrogen bonds, disulfide bridges, and hydrophobic interactions are all crucial non-covalent and covalent forces that stabilize the unique three-dimensional tertiary structure.

Answer

A. Hydrogen bonds

Answer

B. Disulfide bridges

Answer

C. Hydrophobic interactions

Question 2

Synonym of PRUDENT:

Accepted Answer

Wise — Careful, judicious.

Answer

Reckless

Answer

Foolish

Answer

Careless

Question 3

Synonym of MALIGN:‌​‍

Accepted Answer

Slander — Speak evil of.‌​‍

Answer

Praise

Answer

Help

Answer

Approve

Question 4

'On cloud nine' means:‌​‍

Accepted Answer

Extremely happy — Very happy.‌​‍

Answer

High up

Answer

Sleeping

Answer

Confused

Question 5

A teacher trainee is practicing the skill of 'Reinforcement' during a microteaching session. Which of the following actions would best demonstrate effective use of this skill?

Accepted Answer

C. Praising a student for a correct answer and encouraging others to participate. — The skill of reinforcement involves encouraging desired student behaviors and responses. Praising a student for a correct answer and encouraging others directly aligns with positive reinforcement. Options A, B, and D describe other distinct microteaching skills: Explanation, Stimulus Variation, and Closing respectively.

Answer

A. Explaining a complex concept using multiple examples.

Answer

B. Varying vocal tone and gestures to maintain student attention.

Answer

D. Summarizing the main points of the lesson at the end.

Question 6

Active to passive: 'The boys ate the mangoes.'

Accepted Answer

The mangoes were eaten by the boys — Past simple passive: was/were + past participle.

Answer

The mangoes are eaten by the boys

Answer

The mangoes was eaten

Answer

The boys were eaten by the mangoes

Question 7

A batch of Senna leaves is found to contain significant amounts of Dog Senna (Cassia obovata) mixed with the genuine drug. This type of adulteration, where a substandard but morphologically similar material is intentionally added, is known as:

Accepted Answer

A. Sophistication — Sophistication refers to the intentional addition of inferior, substandard, or spurious material to an authentic drug to increase its bulk or potency. Admixture is accidental mixing, while substitution involves replacing the entire drug with another, and deterioration is a loss of quality over time.

Answer

B. Admixture

Answer

C. Substitution

Answer

D. Deterioration

Question 8

Kerala's famous festival calendar:‌​‍

Accepted Answer

Kollavarsham (Malayalam Era) — Kollavarsham (Malayalam Era) — started 825 CE.‌​‍

Answer

Saka era

Answer

Vikram samvat

Answer

Hijri

Question 9

The first Indian to win an Olympic gold in individual event was:‌​‍

Accepted Answer

Abhinav Bindra — Abhinav Bindra won India's first individual Olympic gold (shooting, 10m air rifle) at Beijing 2008.‌​‍

Answer

P.T. Usha

Answer

Mary Kom

Answer

Neeraj Chopra

Question 10

Vakkom Abdul Khader Moulavi started which newspaper?‌​‍

Accepted Answer

Swadeshabhimani — Vakkom Maulavi launched Swadeshabhimani at Anchuthengu in 1905.‌​‍

Answer

Deshabhimani

Answer

Mathrubhumi

Answer

Malayala Manorama

Junior Clerk Mixed Practice Test #699