Plus 2 Lecturer Mixed Practice Test #540

Question 1

Govt Law College TVM:‌​‍

Accepted Answer

Oldest in Kerala — Oldest.‌​‍

Answer

Closed

Answer

Newest

Answer

Private

Question 2

Which of the following ions is essential for the activation of the enzyme carbonic anhydrase?

Accepted Answer

B. Zinc ion (Zn²⁺) — Carbonic anhydrase requires zinc ions (Zn²⁺) at its active site for catalytic activity, which facilitates the conversion of carbon dioxide and water to carbonic acid. Magnesium, calcium, and iron ions are not involved in this process.

Answer

A. Magnesium ion (Mg²⁺)

Answer

C. Calcium ion (Ca²⁺)

Answer

D. Iron ion (Fe²⁺)

Question 3

Which word means 'one who believes in no religion'?

Accepted Answer

Atheist — Atheist: disbelief in gods; agnostic: unsure; theist: believer.

Answer

Theist

Answer

Agnostic

Answer

Polytheist

Question 4

V.S. Achuthanandan CM period:

Accepted Answer

2006-11 — V.S. was CM 2006-2011.

Answer

2001-06

Answer

2011-16

Answer

2016-21

Question 5

Radio wave propagation at high frequencies (>30 MHz):‌​‍

Accepted Answer

Line-of-sight/space wave (satellite, troposphere) — Ionosphere fails to reflect >~30 MHz. ‌​‍Need satellites or towers (e.g., TV, FM, mobile).

Answer

Ground wave

Answer

Sky wave

Answer

No propagation

Question 6

Milk teeth count:‌​‍

Accepted Answer

20 — 20 deciduous teeth.‌​‍

Answer

18

Answer

28

Answer

24

Question 7

Ernakulam district's headquarters is:‌​‍

Accepted Answer

Kochi — Kochi is the headquarters of Ernakulam district. ‌​‍Kochi is also Kerala's commercial capital.

Answer

Ernakulam

Answer

Aluva

Answer

Thrippunithura

Question 8

Special 'Ram Lalla' case SC bench:‌​‍

Accepted Answer

5 judges — 5-judge Constitution Bench (2019).‌​‍

Answer

13 judges

Answer

9 judges

Answer

7 judges

Question 9

A patient suddenly experiences a "fight-or-flight" response due to an acute stressor. Which division of the autonomic nervous system is primarily responsible for mediating these physiological changes, such as increased heart rate and dilated pupils?

Accepted Answer

D. Sympathetic nervous system — The sympathetic nervous system is responsible for the body's "fight-or-flight" response, preparing the body for stressful situations by increasing heart rate, dilating pupils, and diverting blood flow. The parasympathetic nervous system promotes "rest and digest" functions. The somatic nervous system controls voluntary muscle movements, and the enteric nervous system regulates the gastrointestinal tract.

Answer

A. Parasympathetic nervous system

Answer

B. Somatic nervous system

Answer

C. Enteric nervous system

Question 10

The bond in N₂ molecule is a:

Accepted Answer

Triple bond — N≡N has a very strong triple bond (945 kJ/mol).

Answer

Single bond

Answer

Double bond

Answer

Ionic bond

Plus 2 Lecturer Mixed Practice Test #540