LDC Mixed Practice Test #935

Question 1

Decimal system originated in:‌​‍

Accepted Answer

India — Decimal place value system is Indian origin.‌​‍

Answer

Arabia

Answer

China

Answer

Greece

Question 2

A 16-year-old girl starts spending significantly more time with her friends, values their opinions highly, and occasionally challenges her parents' rules, stating 'all my friends do it.' How should this behavior generally be interpreted by her parents from a developmental perspective?

Accepted Answer

B. A normal part of seeking independence and peer affiliation during adolescence. — During adolescence, it is normal for individuals to increasingly seek autonomy from parents and develop stronger affiliations with peer groups. While parents' guidance remains important, valuing peer opinions and occasionally challenging rules are typical aspects of establishing independence and forming a social identity. This is a crucial step towards adulthood, not necessarily severe rebellion or regression.

Answer

A. A sign of severe rebellion requiring strict disciplinary action.

Answer

C. A clear indication of negative peer pressure that must be immediately stopped.

Answer

D. A regression to an earlier stage of development due to insecurity.

Question 3

Art 48A:‌​‍

Accepted Answer

Environment — Protection of environment (42nd Am).‌​‍

Answer

Education

Answer

Cottage industry

Answer

Heritage

Question 4

Art 44:‌​‍

Accepted Answer

Uniform Civil Code — DPSP directing Uniform Civil Code.‌​‍

Answer

Village panchayats

Answer

Cow slaughter ban

Answer

Free legal aid

Question 5

O.N.V. Kurup's literary position:

Accepted Answer

Poet — Renowned Malayalam poet.

Answer

Novelist

Answer

Painter

Answer

Playwright

Question 6

Antonym of JOIN:

Accepted Answer

Separate — Join ↔ separate.

Answer

Connect

Answer

Unite

Answer

Attach

Question 7

Which of the following is a key feature of the urea cycle?

Accepted Answer

D. Converts ammonia to urea for excretion — The urea cycle converts toxic ammonia (from protein metabolism) into urea for renal excretion. It occurs partly in mitochondria and partly in the cytoplasm (A), uses N-acetylglutamate (not biotin) (B), and does not produce ammonia (C).

Answer

A. Occurs entirely in the cytoplasm

Answer

B. Requires biotin as a cofactor

Answer

C. Produces ammonia as a byproduct

Question 8

According to Maslow's Hierarchy of Needs, which need is most likely to motivate a student who is struggling to focus on studies due to financial instability?

Accepted Answer

D. Physiological needs (food, shelter, basic survival) — Maslow's hierarchy prioritizes physiological needs (like food and shelter) as the foundation. Financial instability directly impacts these basic survival needs, making it the primary motivator for the student's lack of focus, unlike higher-level needs in options A, B, or C.

Answer

A. Self-actualization needs (fulfilling potential)

Answer

B. Esteem needs (recognition and respect)

Answer

C. Safety needs (security and stability)

Question 9

The national animal of India is:‌​‍

Accepted Answer

Royal Bengal Tiger — Royal Bengal Tiger is India's national animal (since 1973). Lion was replaced.‌​‍

Answer

Lion

Answer

Elephant

Answer

Peacock

Question 10

Chain rule: d/dx f(g(x)) =

Accepted Answer

f'(g(x))·g'(x) — Product of derivative of outer evaluated at inner times derivative of inner.

Answer

f'(x)

Answer

f'(g(x))

Answer

g'(x)

LDC Mixed Practice Test #935