LGS Mixed Practice Test #689

Question 1

Many B vitamins function as essential coenzymes in various metabolic pathways. Which of the following B vitamins is a crucial component of coenzyme A (CoA), important for fatty acid metabolism and the Krebs cycle?

Accepted Answer

D. Pantothenic Acid (B5) — Pantothenic acid, also known as Vitamin B5, is a fundamental component of coenzyme A (CoA). CoA is an essential coenzyme involved in numerous metabolic reactions, including the synthesis and oxidation of fatty acids, and is a key molecule in the Krebs cycle for energy production.

Answer

A. Thiamine (B1)

Answer

B. Riboflavin (B2)

Answer

C. Niacin (B3)

Question 2

Hammurabi's Code was from which civilisation?‌​‍

Accepted Answer

Babylonian (c. 1754 BCE) — Hammurabi of Babylon — one of earliest written legal codes. ‌​‍282 laws inscribed on stele, 'eye for eye' retributive justice.

Answer

Egyptian

Answer

Roman

Answer

Greek

Question 3

The brain is protected by:‌​‍

Accepted Answer

Skull (Cranium) — The skull (cranium) protects the brain. The spine protects the spinal cord.‌​‍

Answer

Ribs

Answer

Spine

Answer

Sternum

Question 4

The file extension for MS Excel documents is:‌​‍

Accepted Answer

.xlsx — .xlsx is the file extension for MS Excel. ‌​‍.docx = Word, .pptx = PowerPoint, .pdf = Portable Document Format.

Answer

.docx

Answer

.pptx

Answer

.pdf

Question 5

A 15-year-old girl spends hours trying on different outfits, experimenting with various hairstyles, and frequently changes her friend group, often expressing confusion about 'who she really is'. This behavior is most indicative of which developmental stage?

Accepted Answer

C. Navigating identity versus role confusion — The described behaviors are classic manifestations of Erikson's stage of Identity versus Role Confusion, where adolescents actively explore various aspects of their identity to form a coherent sense of self. Developing autonomy occurs earlier, resolving the Oedipus complex is associated with early childhood, and achieving generativity is a much later adult stage.

Answer

A. Developing a sense of autonomy

Answer

B. Resolving the Oedipus complex

Answer

D. Achieving generativity

Question 6

Corporations:

Accepted Answer

6 — TVM, Kollam, Kochi, Thrissur, Kozhikode, Kannur.

Answer

4

Answer

8

Answer

10

Question 7

Choke coil reduces current in AC circuit without:‌​‍

Accepted Answer

Power consumption (unlike resistor) — Pure inductor consumes no real power (cos φ = 0). Used in tube lights.‌​‍

Answer

Power loss (inductive, no heat)

Answer

Doing anything

Answer

Phase change

Question 8

The integration of princely states into the Indian Union was a complex process in post-independence India. In the context of the Travancore-Cochin merger, which of the following best describes the primary political impetus for their unification?

Accepted Answer

C. The culmination of popular agitation for responsible government within both states, coupled with the Indian Union's firm policy on princely state integration. — The primary impetus for the Travancore-Cochin merger was the strong demand for responsible government from popular movements like the State Congress in both states, coupled with the Indian Union's resolute policy of integrating princely states into the national framework. Options A, B, and D represent less significant or inaccurate motivations; the British administration did not directly order such mergers post-independence, and economic competition or military alliances were not the driving forces for this specific unification.

Answer

A. To create a stronger economic bloc to compete with neighboring Madras Presidency.

Answer

B. The direct order from the departing British colonial administration to form larger administrative units.

Answer

D. The strategic military alliance formed between Travancore and Cochin to counter potential external threats.

Question 9

Which country's team always marches first at Olympic opening ceremonies?‌​‍

Accepted Answer

Greece — Greece (as the birthplace of the Olympics) leads the parade traditionally.‌​‍

Answer

Switzerland

Answer

Host country

Answer

France

Question 10

The Guruvayur Satyagraha (1931–32) for temple entry was led by:

Accepted Answer

K. Kelappan — K. Kelappan led the Guruvayur Satyagraha; A. K. Gopalan also participated. Kelappan undertook a fast at Guruvayur.

Answer

A. K. Gopalan

Answer

Mannathu Padmanabhan

Answer

Sree Narayana Guru

LGS Mixed Practice Test #689