LDC Mixed Practice Test #120

Question 1

What defines a nuclear family?‌​‍

Accepted Answer

Parents + unmarried children — Trend in urban India. ‌​‍Reasons: migration, housing cost, women's work. Traditional joint family still in rural areas.

Answer

Only parents

Answer

Only children

Answer

Joint

Question 2

1 unit of electricity (1 kWh) equals:

Accepted Answer

3.6 × 10⁶ J — 1 kWh = 1000 W × 3600 s = 3.6 × 10⁶ J.

Answer

1000 J

Answer

3600 J

Answer

1 × 10⁶ J

Question 3

Puncak Jaya in:‌​‍

Accepted Answer

Indonesia — Highest Oceania (4884m).‌​‍

Answer

PNG

Answer

Malaysia

Answer

Philippines

Question 4

Correct: ‌​‍

Accepted Answer

Separate — Separate.‌​‍

Answer

Saparate

Answer

Seperate

Answer

Seperete

Question 5

During skeletal muscle contraction, which ion is released from the sarcoplasmic reticulum and binds to troponin, initiating the sliding filament mechanism?

Accepted Answer

C. Calcium (Ca2+) — Calcium ions (Ca2+) are released from the sarcoplasmic reticulum and bind to troponin, causing a conformational change that exposes the myosin-binding sites on actin, thus initiating muscle contraction. Sodium and potassium are crucial for nerve impulse transmission and muscle action potentials, but calcium directly triggers the contractile mechanism. Chloride ions are not directly involved in initiating muscle contraction.

Answer

A. Sodium (Na+)

Answer

B. Potassium (K+)

Answer

D. Chloride (Cl-)

Question 6

The 10th Schedule deals with:‌​‍

Accepted Answer

Anti-defection — 10th Schedule (52nd Amendment, 1985) = Anti-defection law.‌​‍

Answer

Languages

Answer

Panchayats

Answer

Municipalities

Question 7

Which type of joint allows for the greatest range of motion, exemplified by the shoulder and hip joints?

Accepted Answer

C. Ball-and-socket joint — Ball-and-socket joints, such as the shoulder and hip joints, allow for the greatest range of motion, including flexion, extension, abduction, adduction, rotation, and circumduction. Hinge joints (like the elbow) allow movement in one plane, pivot joints (like the atlantoaxial joint) allow rotation, and condyloid joints (like the wrist) allow movement in two planes but no rotation.

Answer

A. Hinge joint

Answer

B. Pivot joint

Answer

D. Condyloid joint

Question 8

NITI Aayog was established in which year, replacing the Planning Commission?‌​‍

Accepted Answer

2015 — NITI Aayog (National Institution for Transforming India) was established on 1 January 2015, replacing the Planning Commission which had functioned since 1950.‌​‍

Answer

2012

Answer

2014

Answer

2017

Question 9

Article 3 of the Indian Constitution primarily deals with which of the following?‌​‍

Accepted Answer

Both formation and alteration — Parliament can form, alter, cede territory.

Answer

Formation of new states

Answer

Admission

Answer

Alter territory

Question 10

A school counselor notices a student who is often drowsy, irritable, and has difficulty concentrating due to inconsistent meals and insufficient sleep at home. According to Maslow's Hierarchy of Needs, which level of needs should the counselor prioritize addressing to help this student succeed academically?

Accepted Answer

D. Physiological needs — Physiological needs, such as food, water, and sleep, are the most basic and foundational level in Maslow's hierarchy. Until these essential survival needs are adequately met, it is extremely difficult for an individual to focus on or achieve higher-level needs like learning and academic success.

Answer

A. Esteem needs

Answer

B. Love and belonging needs

Answer

C. Self-actualization needs

LDC Mixed Practice Test #120