Plus 2 Lecturer Mixed Practice Test #746

Question 1

Sky wave propagation uses:‌​‍

Accepted Answer

Reflection from ionosphere (HF 3-30 MHz) — Shortwave radio; long-distance propagation. ‌​‍VHF/UHF uses space wave / satellites.

Answer

Line of sight

Answer

Ground hugging

Answer

Satellite only

Question 2

Eskimos' dome-shaped winter shelters made of snow blocks are called:

Accepted Answer

Igloo — Igloos are the winter snow-block shelters of the Inuit.

Answer

Yurt

Answer

Tepee

Answer

Wigwam

Question 3

Mattancherry Palace (Dutch Palace) is in:

Accepted Answer

Ernakulam (Kochi) — Mattancherry Palace in Kochi — built by Portuguese, renovated by Dutch.

Answer

Thiruvananthapuram

Answer

Thrissur

Answer

Kollam

Question 4

How many Gram Panchayats are there in Kerala?‌​‍

Accepted Answer

941 — Kerala has 941 Gram Panchayats at the village level, 152 Block Panchayats, and 14 District Panchayats.‌​‍

Answer

152

Answer

777

Answer

1200

Question 5

Werner's coordination theory (1893):‌​‍

Accepted Answer

Metal has primary (oxidation state) and secondary (coordination number) valences — Nobel 1913. ‌​‍[Co(NH₃)₆]Cl₃: primary 3 (Cl⁻), secondary 6 (NH₃). Geometry: octahedral, tetrahedral, etc.

Answer

Only one valence

Answer

Octet only

Answer

Primary and secondary valences

Question 6

Prince Henry of Portugal established a navigation school in 1419 at:‌​‍

Accepted Answer

Sagres — Prince Henry 'the Navigator' founded the Sagres school that trained Portuguese sailors.‌​‍

Answer

Madeira

Answer

Porto

Answer

Lisbon

Question 7

Synonym of CAPRICIOUS:

Accepted Answer

Unpredictable — Given to sudden changes.

Answer

Steady

Answer

Reliable

Answer

Slow

Question 8

Nernst equation:‌​‍

Accepted Answer

E = E° - (RT/nF)·ln Q — Gives EMF at non-standard conditions. ‌​‍At 25°C: E = E° - (0.0591/n)·log Q. At equilibrium: E=0, Q=K.

Answer

E = E° + V

Answer

E = V/I

Answer

E = IR

Question 9

Solar cells convert:‌​‍

Accepted Answer

Light to electricity (photovoltaic effect) — Photovoltaic cells (usually Si) produce electricity from photons via the photoelectric effect.‌​‍

Answer

Heat to electricity

Answer

Chemical to electrical

Answer

Mechanical to electrical

Question 10

Among BRICS, SAARC, and ASEAN, each organization employs distinct strategies for regional and global engagement. Which of the following statements most accurately describes a fundamental aspect of ASEAN's unique approach to regional cooperation?

Accepted Answer

B. ASEAN emphasizes a policy of non-interference in internal affairs and consensus-based decision-making, fostering a unique 'ASEAN Way' that prioritizes regional stability and economic integration. — Option B correctly identifies the 'ASEAN Way', a unique approach characterized by non-interference in internal affairs and decision-making through consultation and consensus, which has been crucial for fostering regional stability and facilitating economic integration. Option A is incorrect as ASEAN does not prioritize military intervention or a common defense pact in that manner. Option C describes a broader role for developing nations, not specific to ASEAN's primary regional focus. Option D, while outlining economic goals, exaggerates the current level of integration (e.g., no single curren

Answer

A. ASEAN primarily aims to establish a common defense pact and coordinate military interventions in member states facing internal conflicts.

Answer

C. ASEAN's main objective is to serve as a forum for developing nations to collectively bargain against developed economies on trade and climate change issues.

Answer

D. ASEAN's core strategy involves creating a fully integrated economic union with a single currency and free movement of capital, labor, and goods across all member states.

Plus 2 Lecturer Mixed Practice Test #746