HSA Mixed Practice Test #116

Question 1

The property of matter by which it resists change in state of rest or uniform motion is:

Accepted Answer

Inertia — Inertia is quantified by mass; more mass = more inertia.

Answer

Momentum

Answer

Velocity

Answer

Force

Question 2

de Broglie wavelength of particle with momentum p:‌​‍

Accepted Answer

λ = h/p — Matter waves. ‌​‍Electron diffraction (Davisson-Germer, 1927) confirmed. λ for electron at 100 V ~0.12 nm.

Answer

λ = p/h

Answer

λ = hc

Answer

λ = hν

Question 3

A teacher observes that her students struggle with spontaneous communication in English despite possessing a good vocabulary and understanding of grammar. Which teaching methodology would be most effective in addressing this issue, and what kind of activity would she primarily incorporate?

Accepted Answer

B. Communicative Language Teaching; role-playing scenarios and information gap activities. — Communicative Language Teaching (CLT) prioritizes developing communicative competence through meaningful interaction, making activities like role-playing and information gap ideal for fostering spontaneous communication. The Audio-lingual Method, while focusing on oral skills, emphasizes habit formation through controlled drills, which might not directly develop spontaneous use in varied contexts.

Answer

A. Audio-lingual Method; extensive drilling and memorization of dialogues.

Answer

C. Grammar-Translation Method; translating complex texts and analyzing grammatical rules.

Answer

D. Direct Method; direct association of words with objects and minimal use of mother tongue.

Question 4

NITI Aayog replaced the Planning Commission on:‌​‍

Accepted Answer

1 January 2015 — NITI Aayog (National Institution for Transforming India) established 1 January 2015, replacing Planning Commission. ‌​‍PM is Chairperson.

Answer

26 January 2015

Answer

15 August 2014

Answer

1 April 2015

Question 5

Moment of inertia of a thin uniform rod (mass M, length L) about centre is:

Accepted Answer

ML²/12 — I_centre = ML²/12. About end: ML²/3 (parallel-axis theorem: I_end = I_centre + M(L/2)²).

Answer

ML²/3

Answer

ML²/2

Answer

ML²

Question 6

A patient using an over-the-counter antacid regularly for heartburn begins to experience constipation. Which of the following inorganic antacids is most commonly associated with this particular gastrointestinal side effect?

Accepted Answer

B. Aluminum hydroxide — Aluminum hydroxide is well-known for causing constipation due to its astringent properties and the formation of insoluble aluminum salts in the intestine. Magnesium hydroxide typically causes diarrhea, while sodium bicarbonate can lead to systemic alkalosis and gas. Calcium carbonate can cause constipation but is also associated with acid rebound.

Answer

A. Magnesium hydroxide

Answer

C. Sodium bicarbonate

Answer

D. Calcium carbonate

Question 7

Jhelum river:

Accepted Answer

Kashmir — Flows through Kashmir Valley.

Answer

Punjab

Answer

Haryana

Answer

UP

Question 8

The Krishna river originates at:‌​‍

Accepted Answer

Mahabaleshwar (Western Ghats) — Krishna starts at Mahabaleshwar in Maharashtra; flows east into Bay of Bengal.‌​‍

Answer

Amarkantak

Answer

Gangotri

Answer

Brahmagiri

Question 9

Statements about Marayoor — which are TRUE? ‌​‍(i) Small town in Idukki Taluk (ii) Prehistoric rock paintings (iii) Famous for sandalwood forests (iv) Scenic Pambar river

Accepted Answer

All four — All four are correct facts about Marayoor (Idukki district).‌​‍

Answer

(i), (iii), (iv)

Answer

(ii), (iii), (iv)

Answer

(i), (ii), (iii)

Question 10

Bhakti saint Alvars were devotees of:

Accepted Answer

Vishnu — Alvars (12 in number) were Vaishnava saints of Tamil country; their hymns form Divya Prabandham.

Answer

Shiva

Answer

Devi

Answer

Ganesha

HSA Mixed Practice Test #116