Plus 2 Lecturer Mixed Practice Test #85

Question 1

'The sun rises in the east.' Tense:

Accepted Answer

Simple present — Universal truths use simple present.

Answer

Present continuous

Answer

Past simple

Answer

Future

Question 2

What is biomagnification?‌​‍

Accepted Answer

Toxin accumulation up food chain — DDT, mercury accumulate.‌​‍

Answer

Reduction

Answer

Nutrient flow

Answer

No effect

Question 3

A teacher designs a science lesson where students work in small groups to design and conduct experiments to test different hypotheses about plant growth, rather than simply reading a textbook chapter. This approach primarily aligns with which core principle of constructivism?

Accepted Answer

C. Learners actively construct their understanding through experience and reflection. — Constructivism emphasizes that learners are not empty vessels but active participants who build their own knowledge structures. By designing and conducting experiments, students are directly engaging with the content, experiencing it, and reflecting on their findings, which is the essence of active knowledge construction. Options A, B, and D represent opposing pedagogical views.

Answer

A. Learning is a process of passive absorption of information.

Answer

B. Knowledge is best transmitted through direct instruction from an expert.

Answer

D. The primary goal of education is rote memorization of facts.

Question 4

How many chambers does the human heart have?‌​‍

Accepted Answer

4 — The human heart has 4 chambers — 2 atria (upper chambers) and 2 ventricles (lower chambers).‌​‍

Answer

2

Answer

3

Answer

5

Question 5

When was the Swachh Bharat Mission launched?‌​‍

Accepted Answer

2014 — Launched 2 October 2014 by PM Modi.‌​‍

Answer

2015

Answer

2013

Answer

2016

Question 6

Young's double slit experiment shows:‌​‍

Accepted Answer

Wave nature via interference fringes — Fringe width β = λD/d. ‌​‍Maxima when path difference = nλ. Foundation of wave optics (1801).

Answer

Photoelectric effect

Answer

Polarization only

Answer

Particle nature of light

Question 7

PM Awas Yojana 2.0 target:‌​‍

Accepted Answer

3 crore houses — PMAY 2.0 targets 3 crore additional houses.‌​‍

Answer

5 crore houses

Answer

1 crore houses

Answer

2 crore houses

Question 8

1 byte equals:‌​‍

Accepted Answer

8 bits — 1 byte = 8 bits. 1 bit = 0 or 1.‌​‍

Answer

4 bits

Answer

16 bits

Answer

32 bits

Question 9

Meson was predicted by:‌​‍

Accepted Answer

Yukawa (to mediate strong force) — Pion discovered 1947. Nobel 1949. Range of nuclear force set by meson mass.‌​‍

Answer

Dirac

Answer

Bohr

Answer

Einstein

Question 10

Kerala Rajya Sabha seats:‌​‍

Accepted Answer

9 — 9 Rajya Sabha members.‌​‍

Answer

13

Answer

11

Answer

7

Plus 2 Lecturer Mixed Practice Test #85