Plus 2 Lecturer Mixed Practice Test #945

Question 1

First-order reaction half-life:‌​‍

Accepted Answer

t_(1/2) = 0.693/k (independent of [A]₀) — Radioactive decay, many decompositions. Integrated: ln([A]/[A]₀) = -kt.‌​‍

Answer

Zero

Answer

Depends on [A]₀

Answer

Decreases with time

Question 2

A teacher notices that a student frequently disrupts the class by talking during lessons. What is the most appropriate first step in addressing this issue?

Accepted Answer

B. Privately discuss the issue with the student and set clear expectations for future behavior — Addressing behavioral issues privately (Option B) ensures the student feels respected while understanding the consequences of their actions. Immediate public punishment (Option C) can humiliate the student, while ignoring the issue (Option D) may normalize disruptions. Sending the student out (Option A) disrupts learning and isolates them.

Answer

A. Immediately send the student out of the class to reflect on their behavior

Answer

C. Publicly reprimand the student in front of the class to deter others from similar behavior

Answer

D. Ignore the behavior initially to see if it subsides on its own

Question 3

IGI Delhi has terminals:

Accepted Answer

3 — T1, T2, T3 — main operational.

Answer

2

Answer

4

Answer

5

Question 4

Synonym of ZEAL:

Accepted Answer

Enthusiasm — Zeal = great enthusiasm.

Answer

Laziness

Answer

Fear

Answer

Silence

Question 5

Wayanad's headquarters is:‌​‍

Accepted Answer

Kalpetta — Kalpetta is the headquarters of Wayanad district.‌​‍

Answer

Wayanad town

Answer

Sultan Bathery

Answer

Mananthavady

Question 6

Mr. Suresh observes that his students often become noisy and disorganised during the transition from one activity (e.g., math to science) to another. What is the most effective strategy Mr. Suresh can implement to improve these transitions?

Accepted Answer

B. Provide clear, concise instructions and practice transition routines regularly. — Clear, concise instructions and regular practice of transition routines help students move smoothly and efficiently between activities, reducing noise and disorganization. Allowing free talk can exacerbate chaos, and using a bell or punishment alone does not teach students the expected procedures for transitions.

Answer

A. Allow students to talk freely during transitions to release energy.

Answer

C. Use a loud bell to signal the start and end of every transition period.

Answer

D. Punish students who take too long to transition by making them stay after class.

Question 7

Logic output of AND gate with inputs (1,1):‌​‍

Accepted Answer

1 — AND: 1 iff all inputs 1. ‌​‍OR: 1 if any input 1. NOT: inverts. ‌​‍XOR: 1 iff inputs differ.

Answer

Undefined

Answer

0

Answer

Variable

Question 8

China's National People's Congress chair:‌​‍

Accepted Answer

Zhao Leji — Zhao Leji.‌​‍

Answer

Li Qiang

Answer

Others

Answer

Xi

Question 9

Synonym of VAPID:‌​‍

Accepted Answer

Dull — Offering nothing stimulating.‌​‍

Answer

Interesting

Answer

Lively

Answer

Exciting

Question 10

KPSC headquarters:

Accepted Answer

Thiruvananthapuram — Pattom, TVM.

Answer

Kochi

Answer

Kozhikode

Answer

Thrissur

Plus 2 Lecturer Mixed Practice Test #945