Plus 2 Lecturer Mixed Practice Test #87

Question 1

The steam engine was improved by:‌​‍

Accepted Answer

James Watt — James Watt improved the steam engine (1769), powering the Industrial Revolution. ‌​‍The unit 'Watt' is named after him.

Answer

Newton

Answer

Faraday

Answer

Edison

Question 2

Antonym of ADVANCE:‌​‍

Accepted Answer

Retreat — Advance ↔ retreat.‌​‍

Answer

Move

Answer

Forward

Answer

Progress

Question 3

Lengths of two tangents drawn from an external point to a circle are:

Accepted Answer

Equal — Tangents from an external point are equal in length.

Answer

Unequal

Answer

Random

Answer

Always 0

Question 4

Which of these is an irrational number?

Accepted Answer

√2 — √2 is irrational (non-terminating non-repeating decimal). √9=3, √16=4, √25=5 are rational.

Answer

√9

Answer

√16

Answer

√25

Question 5

A high school student completes an assignment solely because it fulfills their personal interest in the subject, not for any external reward. This scenario best exemplifies which type of motivation?

Accepted Answer

A. Intrinsic motivation — Intrinsic motivation refers to engaging in an activity for its inherent satisfaction rather than external rewards. Extrinsic motivation (Option B) involves external incentives, amotivation (Option C) is a lack of motivation, and drive-reduction theory (Option D) pertains to biological needs.

Answer

B. Extrinsic motivation

Answer

C. Amotivation

Answer

D. Drive-reduction theory

Question 6

A significant recommendation of the National Education Policy 2020 is the promotion of multilingualism and the use of mother tongue/local language as a medium of instruction. Up to which grade level is this policy primarily emphasized?

Accepted Answer

B. Up to Grade 5 — The NEP 2020 strongly recommends that the medium of instruction till at least Grade 5, and preferably till Grade 8 and beyond, should be the mother tongue/local language. While it encourages this practice beyond Grade 5, the primary emphasis for its mandatory implementation is 'at least till Grade 5'. Other options represent either too early or too late a stage for this primary emphasis.

Answer

A. Up to Grade 3

Answer

C. Up to Grade 8

Answer

D. Up to Grade 10

Question 7

Under the Sarva Shiksha Abhiyan (SSA), the role of the State Implementation Society (SIS) includes:

Accepted Answer

B. Providing technical support and guidance for the implementation of SSA schemes — The State Implementation Society (SIS) under SSA provides technical support and guidance for the effective implementation of SSA schemes. Teacher appointments (Option A) are handled by the education department or local bodies. Enforcing school uniforms (Option C) is not a role of SIS. Conducting national-level research (Option D) is beyond its mandate.

Answer

A. Directly appointing teachers for government schools

Answer

C. Enforcing school uniforms in all government schools

Answer

D. Conducting research on educational policies at the national level

Question 8

Which state has the largest forest cover area in India?‌​‍

Accepted Answer

Madhya Pradesh — Madhya Pradesh has the largest forest cover area in India, followed by Arunachal Pradesh and Chhattisgarh.‌​‍

Answer

Arunachal Pradesh

Answer

Maharashtra

Answer

Chhattisgarh

Question 9

Kerala is actively promoting the development of its inland waterways. Apart from reducing road congestion, which of the following is the most significant advantage of prioritizing inland water transport in the state's logistical framework?

Accepted Answer

B. It significantly lowers the carbon footprint and operational costs for bulk cargo movement. — Inland water transport (B) is highly fuel-efficient and environmentally friendly, drastically lowering operational costs and carbon emissions for bulk cargo compared to other modes. While it aids in reducing land acquisition (D) and road congestion, its primary logistical advantage for the state's economy lies in this cost and environmental efficiency. Faster movement of perishables (A) is better served by road/air, and direct international connectivity (C) is an indirect benefit of port integration, not the primary benefit of inland waterways themselves.

Answer

A. It facilitates faster movement of high-value perishable goods across districts.

Answer

C. It enables direct connectivity to international shipping routes from major ports.

Answer

D. It reduces the need for extensive land acquisition for infrastructure expansion.

Question 10

Stefan-Boltzmann law applies to:

Accepted Answer

Ideal blackbody — P/A = σT⁴. Real objects have emissivity ε < 1 → P = εσT⁴. Kirchhoff's law: absorptivity = emissivity.

Answer

Any object

Answer

Only gases

Answer

Only stars

Plus 2 Lecturer Mixed Practice Test #87