Plus 2 Lecturer Mixed Practice Test #1047

Question 1

Synonym of 'hazardous':‌​‍

Accepted Answer

Dangerous — Hazardous = dangerous, perilous, risky.‌​‍

Answer

Safe

Answer

Calm

Answer

Easy

Question 2

The point inside Earth where an earthquake originates is called the:‌​‍

Accepted Answer

Focus (Hypocentre) — Focus = point of origin; epicentre = point directly above on Earth's surface.‌​‍

Answer

Fault

Answer

Epicentre

Answer

Seismogram

Question 3

Christopher Columbus reached the Americas in:

Accepted Answer

1492 — Columbus landed in Caribbean (Bahamas) on 12 October 1492 under Spanish flag. Mistakenly thought he reached India. Triggered European colonisation of Americas.

Answer

1453

Answer

1498

Answer

1522

Question 4

Total surface area of a cone = πr(r + l). For r=3, l=5:

Accepted Answer

24π — TSA = πr(r+l) = π·3·(3+5) = 24π.

Answer

15π

Answer

27π

Answer

45π

Question 5

AC generator (dynamo) works on:‌​‍

Accepted Answer

Electromagnetic induction — Coil rotating in magnetic field → sinusoidal EMF. ‌​‍Slip rings for AC; commutator for DC.

Answer

Coulomb's law

Answer

Gauss's law

Answer

Ohm's law

Question 6

Which of the following is a primary function of insoluble dietary fiber in the human body?

Accepted Answer

B. Adding bulk to stool and promoting bowel regularity. — Insoluble fiber's main role is to add bulk to the stool, which helps to stimulate bowel movements and prevent constipation. While soluble fiber can help lower cholesterol, insoluble fiber primarily contributes to gut motility and regularity. Fiber itself does not provide significant vitamins, minerals, or assist in fat-soluble vitamin absorption.

Answer

A. Lowering blood cholesterol levels.

Answer

C. Providing a significant source of vitamins and minerals.

Answer

D. Assisting in the absorption of fat-soluble vitamins.

Question 7

Which of the following is a key limitation of using MOOCs (Massive Open Online Courses) in school education?

Accepted Answer

B. Lack of personalized feedback and support — MOOCs are often free or low-cost, but their major limitation is the lack of personalized feedback and support due to large student numbers. Distractors A and C are incorrect as MOOCs are typically affordable and widely available, while D contradicts the core concept of online learning.

Answer

A. High cost of enrollment

Answer

C. Limited availability of courses

Answer

D. Requirement for face-to-face attendance

Question 8

What defines the order of a differential equation?‌​‍

Accepted Answer

Highest derivative order — Order: highest derivative. ‌​‍Degree: power of highest derivative (after rationalizing).

Answer

Degree of highest derivative

Answer

Always 1

Answer

Sum of all derivatives

Question 9

Ayyankali, a towering figure of the Kerala Renaissance, employed distinct methods to secure the rights and dignity of the marginalized communities, particularly the Pulayas. Among his various struggles, which of the following actions most directly challenged the traditional restrictions on education and public access for depressed classes in Travancore?

Accepted Answer

A. Initiating the 'Villuvandi Samaram' (Bullock Cart Protest) to assert the right of access to public roads for untouchables and subsequently advocating for school entry. — Ayyankali's 'Villuvandi Samaram' (Bullock Cart Protest) in 1893 was a direct and symbolic act to assert the right of untouchables to use public roads, which was a fundamental challenge to their exclusion from public spaces. This assertion of public access subsequently paved the way for his demands regarding the right to education and entry into public schools, making it the most direct action challenging both public access and educational restrictions. While Kallumala Samaram was significant for dignity and SJPS for community upliftment, the Villuvandi Samaram directly addressed the public acc

Answer

B. Leading the 'Sadhu Jana Paripalana Sangham' (SJPS) to lobby the government for land reforms and agricultural worker rights.

Answer

C. Organizing the 'Mismatched Marriage' (Kallumala Samaram) protest to abolish discriminatory ornaments worn by Pulaya women.

Answer

D. Establishing numerous temples for lower castes as an alternative to existing caste-ridden places of worship.

Question 10

Sri Lanka's Tamil conflict (1983-2009) ended with:‌​‍

Accepted Answer

Military defeat of LTTE (May 2009) — 26-year civil war ended when Sri Lankan military defeated LTTE. ‌​‍Prabhakaran killed May 2009. ~100,000 total deaths. ‌​‍Accountability for human rights violations remains contested.

Answer

Ceasefire

Answer

Autonomy

Answer

Independence

Plus 2 Lecturer Mixed Practice Test #1047