Plus 2 Lecturer Mixed Practice Test #169

Question 1

During the 'Explain' phase of a 5E model lesson on Newton's laws of motion, a teacher observes students are still confused about the concept of inertia. What is the most constructivist approach for the teacher to address this?

Accepted Answer

B. Ask students to share their current understanding and guide them to correct misconceptions through questioning. — Option B reflects constructivist teaching by addressing misconceptions through student-led discussion and scaffolding. Option A is teacher-centered, C is passive, and D avoids addressing the learning gap—all inconsistent with constructivist principles.

Answer

A. Provide a detailed lecture with diagrams and examples to clarify the concept.

Answer

C. Assign additional textbook readings on the topic for independent study.

Answer

D. Move on to the next topic and revisit inertia in the next lesson.

Question 2

Civil society refers to:‌​‍

Accepted Answer

Non-state, non-family associations — NGOs, clubs, unions, religious groups — Civil society = space between state and family where citizens organise collectively — essential for democratic functioning.‌​‍

Answer

Government

Answer

Military

Answer

Corporations only

Question 3

A teacher notices that a student consistently completes assignments only to earn stickers and praise, but shows little interest when the rewards are removed. This scenario best illustrates the influence of which type of motivation on learning?

Accepted Answer

B. Extrinsic motivation — The student's behavior is driven by external rewards (stickers and praise), which is characteristic of extrinsic motivation. Intrinsic motivation would involve internal satisfaction from the task itself. Self-determination theory relates to autonomy but doesn't directly explain reliance on rewards.

Answer

A. Intrinsic motivation

Answer

C. Self-determination theory

Answer

D. Maslow's deficiency needs

Question 4

The mechanism of action of statins (e.g., atorvastatin) involves competitive inhibition of which key enzyme in cholesterol biosynthesis?

Accepted Answer

A. HMG-CoA reductase — Statins are competitive inhibitors of HMG-CoA reductase, which is the rate-limiting enzyme in the mevalonate pathway responsible for endogenous cholesterol synthesis in the liver. Inhibiting this enzyme reduces cholesterol production. The other enzymes listed are involved in later steps of cholesterol synthesis or cholesterol esterification.

Answer

B. Squalene synthase

Answer

C. Lanosterol demethylase

Answer

D. Acyl-CoA:cholesterol acyltransferase (ACAT)

Question 5

Vizhinjam port inauguration (commercial):‌​‍

Accepted Answer

2023-24 — Container operations began 2023-24.‌​‍

Answer

2025

Answer

2015

Answer

2020

Question 6

'Bite the bullet' means:

Accepted Answer

Endure painful/difficult situation — Face a difficult situation bravely.

Answer

Eat

Answer

Attack

Answer

Wait

Question 7

Which of the following is a characteristic feature of penicillin antibiotics that makes them effective against bacterial infections?

Accepted Answer

A. Presence of a beta-lactam ring — The beta-lactam ring in penicillin is essential for its antibacterial activity as it interferes with bacterial cell wall synthesis by inhibiting transpeptidases. High lipophilicity, aromatic rings, and long half-life are not defining features of penicillin's mechanism of action.

Answer

B. High lipophilicity

Answer

C. Aromatic ring system

Answer

D. Long plasma half-life

Question 8

CM Kerala:‌​‍

Accepted Answer

Pinarayi Vijayan — Pinarayi Vijayan.‌​‍

Answer

Oommen Chandy

Answer

Vijayan

Answer

Shashi Tharoor

Question 9

TB is caused by:‌​‍

Accepted Answer

Mycobacterium tuberculosis — Discovered by Robert Koch (1882). ‌​‍BCG vaccine. DOTS strategy for treatment. ‌​‍Drug resistance (MDR, XDR) a major challenge.

Answer

Virus

Answer

Plasmodium

Answer

Fungus

Question 10

Chandrika (newspaper):

Accepted Answer

IUML — Muslim League newspaper.

Answer

Congress

Answer

CPI

Answer

BJP

Plus 2 Lecturer Mixed Practice Test #169