Plus 2 Lecturer Mixed Practice Test #510

Question 1

Common buffer in blood maintains pH ~7.4:‌​‍

Accepted Answer

Bicarbonate (HCO₃⁻/H₂CO₃) and phosphate (HPO₄²⁻/H₂PO₄⁻) — Primary regulator of blood pH. ‌​‍Metabolic/respiratory acidosis or alkalosis when this fails.

Answer

Citrate

Answer

Phosphate only

Answer

Ammonia

Question 2

Differential equation order:‌​‍

Accepted Answer

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

Answer

Sum of all derivatives

Answer

Degree of highest derivative

Answer

Always 1

Question 3

David Ausubel's theory of meaningful learning suggests that new information is most effectively learned when it is related to existing knowledge. Which of the following teaching strategies aligns best with Ausubel's theory?

Accepted Answer

B. Using advance organizers to connect new material with prior knowledge — Ausubel emphasized the use of advance organizers—structured materials presented before learning—to bridge new information with existing cognitive structures. Memorization (A), strict discipline (C), and exclusive experiential learning (D) do not align with his focus on meaningful learning through conceptual connections.

Answer

A. Encouraging students to memorize facts through repetition

Answer

C. Implementing strict discipline to ensure focus during lessons

Answer

D. Focusing exclusively on hands-on, experiential learning activities

Question 4

Number of chromosomes in human somatic cells:‌​‍

Accepted Answer

46 (44 autosomes + 2 sex) — 22 pairs autosomes + XX (female) or XY (male). Discovered by Tjio & Levan 1956.‌​‍

Answer

92

Answer

48

Answer

23

Question 5

Polio vaccines types:‌​‍

Accepted Answer

OPV (oral), IPV (inactivated) — OPV and IPV.‌​‍

Answer

Only one

Answer

Only injection

Answer

Only oral

Question 6

Silappadikaram and Manimekalai are twin Tamil epics. ‌​‍Their author traditions are:

Accepted Answer

Ilango Adigal and Seethalai Sathanar — Silappadikaram (Ilango, Jain monk) on Kannagi-Kovalan. ‌​‍Manimekalai (Sathanar, Buddhist) is sequel. Both are five great epics (Aimperumkappiyam).

Answer

Kamban and Tiruvalluvar

Answer

Avvaiyar

Answer

Nakkirar

Question 7

Charles Correa has distinguished himself as:‌​‍

Accepted Answer

Architect — Charles Correa was a renowned Indian architect.‌​‍

Answer

Musician

Answer

Singer

Answer

Painter

Question 8

Alappuzha Beach Fest:

Accepted Answer

Annual cultural event — Annual fest.

Answer

Monthly

Answer

Weekly

Answer

Never

Question 9

Which language teaching method emphasizes the use of the mother tongue in the initial stages of learning a second language and is commonly associated with the Kerala State Education Department's curriculum guidelines?

Accepted Answer

A. Grammar-Translation Method — The Grammar-Translation Method is the correct answer as it prioritizes the use of the mother tongue (L1) for explaining grammar rules and vocabulary in the target language (L2), aligning with traditional Kerala PSC-relevant pedagogical approaches. The Audiolingual Method focuses on habit formation through drills (B), the Direct Method on L2-only instruction (C), and Communicative Language Teaching on real-life communication (D), none of which emphasize mother tongue use in the same way.

Answer

B. Audiolingual Method

Answer

C. Direct Method

Answer

D. Communicative Language Teaching

Question 10

A child receives a vaccination for measles. This type of immunization primarily works by stimulating the body to produce which of the following?

Accepted Answer

C. Antigen-specific antibodies and memory cells — Vaccinations induce active immunity by exposing the body to attenuated or inactivated antigens, prompting the immune system to produce its own specific antibodies and long-lasting memory cells. This prepares the body to mount a rapid and effective response upon future exposure to the actual pathogen. Pre-formed antibodies are passive immunity, and antitoxins are specific to toxins, not viruses.

Answer

A. Pre-formed antibodies directly

Answer

B. Antitoxins to neutralize the virus

Answer

D. Non-specific inflammatory responses

Plus 2 Lecturer Mixed Practice Test #510