Plus 2 Lecturer Mixed Practice Test #161

Question 1

Kozhikode historical importance:

Accepted Answer

Vasco da Gama landing — 1498. Spice trade hub.

Answer

Capital of Kerala

Answer

British headquarters

Answer

Dutch capital

Question 2

India's 'Neighbourhood First' policy focuses on:‌​‍

Accepted Answer

South Asian neighbours (Sri Lanka, Bangladesh, Nepal, Bhutan, Maldives) — Modi government's policy from 2014 — prioritise relations with immediate neighbours. ‌​‍PM first visited Bhutan 2014.

Answer

Middle East

Answer

Central Asia

Answer

Europe

Question 3

Dominant vs recessive:‌​‍

Accepted Answer

Masks vs masked — Dominant masks recessive.‌​‍

Answer

Neither

Answer

Both expressed

Answer

Linked

Question 4

A student consistently talks out of turn and interrupts others during class discussions, despite repeated verbal reminders. What would be the most appropriate next step for the teacher to take as part of a progressive classroom management plan?

Accepted Answer

D. Implement a pre-discussed consequence, such as a brief time-out or loss of a privilege, followed by a private conversation to reinforce expectations. — In a progressive classroom management plan, after initial verbal reminders are ineffective, the next step involves implementing a pre-discussed consequence, followed by a private conversation to reinforce expectations and discuss the behavior's impact. Sending the student to the principal immediately (A) is an overreaction for this type of behavior. Ignoring the behavior (B) is ineffective. Publicly shaming (C) is harmful and counterproductive to a positive learning environment.

Answer

A. Immediately send the student to the principal's office for a major infraction.

Answer

B. Ignore the behavior, hoping it will eventually stop on its own.

Answer

C. Publicly shame the student in front of the class to deter future interruptions.

Question 5

Atomic number equals:‌​‍

Accepted Answer

Number of protons — Atomic number = number of protons in nucleus.‌​‍

Answer

Number of neutrons

Answer

Number of electrons + neutrons

Answer

Mass number

Question 6

The Pamba river is associated with:‌​‍

Accepted Answer

Sabarimala — Pamba = the river of Sabarimala. ‌​‍Pilgrims bathe in Pamba before climbing to the temple.

Answer

Guruvayur

Answer

Thrissur Pooram

Answer

Vaikom

Question 7

Bleaching powder is:‌​‍

Accepted Answer

Ca(OCl)₂ — Bleaching powder = Calcium Hypochlorite Ca(OCl)₂. ‌​‍Used for water purification and bleaching.

Answer

NaOCl

Answer

NaHCO₃

Answer

CaCO₃

Question 8

Faraday's first law of electrolysis:

Accepted Answer

Mass ∝ charge passed (m = Zit) — Z = electrochemical equivalent. 1 Faraday = 96500 C deposits 1 equivalent of substance.

Answer

Mass ∝ time only

Answer

Mass ∝ voltage

Answer

Mass ∝ 1/Q

Question 9

Jahangir's queen who effectively ran the empire in his later years was:

Accepted Answer

Nur Jahan (Mehrunnisa) — Married Jahangir 1611. Coins issued in her name; part of junta with father Itimad-ud-Daula and brother Asaf Khan. Commissioned Itimad-ud-Daula's tomb (Agra, 'Baby Taj').

Answer

Mumtaz Mahal

Answer

Jodha Bai

Answer

Jahanara

Question 10

What did Werner's coordination theory (1893) propose about metal valences?‌​‍

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

Octet only

Answer

Primary and secondary valences

Answer

Only one valence

Plus 2 Lecturer Mixed Practice Test #161