Plus 2 Lecturer Mixed Practice Test #216

Question 1

Muhammad bin Tughlaq shifted the capital from Delhi to:‌​‍

Accepted Answer

Daulatabad — Muhammad bin Tughlaq shifted the capital to Daulatabad (Maharashtra) — a disastrous decision.‌​‍

Answer

Agra

Answer

Lahore

Answer

Jaunpur

Question 2

Wheatstone bridge balance condition:‌​‍

Accepted Answer

Both same — At balance, no current through galvanometer. ‌​‍Used to measure unknown resistance (metre bridge application).

Answer

P/Q = R/S

Answer

P × S = Q × R

Answer

PQR = S

Question 3

Zwitterion form of amino acid has:‌​‍

Accepted Answer

Positive amino (+NH₃) and negative carboxyl (-COO⁻) — Net zero charge at isoelectric point (pI). Amino acids are amphoteric.‌​‍

Answer

No charge

Answer

Both positive

Answer

Both negative

Question 4

Melanin:

Accepted Answer

Skin pigment — Skin/hair/eye colour pigment.

Answer

Protein

Answer

Vitamin

Answer

Enzyme

Question 5

2⁵ equals:

Accepted Answer

32 — 2·2·2·2·2 = 32.

Answer

10

Answer

16

Answer

25

Question 6

Which of the following compounds is a common ingredient in oral rehydration solutions (ORS) used to treat dehydration?

Accepted Answer

D. All of the above — Oral rehydration solutions typically contain a combination of sodium citrate, potassium chloride, and dextrose to replenish electrolytes and provide energy. Each component plays a specific role in rehydration therapy.

Answer

A. Sodium citrate

Answer

B. Potassium chloride

Answer

C. Dextrose

Question 7

Periyar Wildlife Sanctuary is known for:‌​‍

Accepted Answer

Indian Elephant and Tiger — Periyar in Idukki is famous for Indian Elephants and Tigers (it's a Tiger Reserve).‌​‍

Answer

Nilgiri Tahr

Answer

Lion-tailed Macaque

Answer

Asiatic Lion

Question 8

In a right triangle, angles:

Accepted Answer

90°, other two sum 90° — One 90°.

Answer

180°

Answer

90° both

Answer

60°

Question 9

Dielectric constant of vacuum:

Accepted Answer

1 — K (or εr) = ε/ε₀. For air ≈1.0006; water ≈80; ferroelectrics very high.

Answer

0

Answer

2

Answer

∞

Question 10

Indole alkaloids, such as reserpine and vinca alkaloids, are derived from which of the following amino acid precursors?

Accepted Answer

D. Tryptophan — Tryptophan is the primary amino acid precursor for the biosynthesis of indole alkaloids, which include important drugs like reserpine and vinca alkaloids. Tyrosine is a precursor for isoquinoline alkaloids, ornithine for tropane alkaloids, and lysine for quinolizidine and piperidine alkaloids.

Answer

A. Tyrosine

Answer

B. Ornithine

Answer

C. Lysine

Plus 2 Lecturer Mixed Practice Test #216