Plus 2 Lecturer Mixed Practice Test #581

Question 1

This is the ___ book I have ever read.

Accepted Answer

worst — Superlative form with 'the' and 'ever' requires 'worst'.

Answer

worse

Answer

worser

Answer

bad

Question 2

What does geology, as a science, study?‌​‍

Accepted Answer

Earth's composition, structure, processes, and history — James Hutton — father of modern geology (1788, 'Theory of the Earth'). ‌​‍Uniformitarianism — present is key to past.

Answer

Only minerals

Answer

Only rocks

Answer

Weather

Question 3

Psoriasis:‌​‍

Accepted Answer

Skin disorder — Chronic skin condition.‌​‍

Answer

Heart

Answer

Lung disease

Answer

Digestion

Question 4

One word: Personal daily record:

Accepted Answer

Diary — Diary.

Answer

Memoir

Answer

Log

Answer

Chronicle

Question 5

Which of the following statements best describes the difference between nuclear fission and nuclear fusion?

Accepted Answer

A. Nuclear fission involves the splitting of a heavy nucleus, while fusion combines light nuclei to form a heavier nucleus. — Nuclear fission is the process where a heavy nucleus (like uranium-235) splits into smaller nuclei, releasing energy. Nuclear fusion, in contrast, involves combining light nuclei (like hydrogen isotopes) to form a heavier nucleus, which is the process powering stars. Option A correctly captures this distinction. Option B is incorrect because fusion releases significantly more energy per unit mass than fission. Option C is partially correct but oversimplifies fission, which also requires overcoming binding energy barriers. Option D is misleading as it conflates the energy release aspect with th

Answer

B. Nuclear fission releases more energy per unit mass than nuclear fusion.

Answer

C. Nuclear fusion requires extremely high temperatures to overcome Coulomb repulsion, whereas fission does not.

Answer

D. Both fission and fusion are exothermic reactions, but fusion occurs naturally in stars while fission is man-made.

Question 6

Niagara Falls between:

Accepted Answer

USA and Canada — USA-Canada border.

Answer

USA and Mexico

Answer

Canada and Greenland

Answer

USA and Cuba

Question 7

Curd contains:

Accepted Answer

Lactic acid — Lactic acid — from fermentation.

Answer

Citric acid

Answer

Acetic acid

Answer

Tartaric acid

Question 8

C(n,r) = nCr =

Accepted Answer

n!/(r!(n-r)!) — Combinations. nCr = nC(n-r). nCr + nC(r-1) = (n+1)Cr (Pascal's triangle).

Answer

n!/r!

Answer

n!/((n-r)!)

Answer

n × r

Question 9

The past participle of 'swim' is:

Accepted Answer

swum — Swim — swam — swum.

Answer

swam

Answer

swimming

Answer

swim

Question 10

Immunisation schedule in India — BCG given at:‌​‍

Accepted Answer

Birth (against TB) — Universal Immunization Programme. ‌​‍DPT, OPV, Hepatitis B, MMR, etc. Mission Indradhanush targets unimmunised.

Answer

5 years

Answer

10 years

Answer

15 years

Plus 2 Lecturer Mixed Practice Test #581