LGS Mixed Practice Test #299

Question 1

Fluoride deficiency:‌​‍

Accepted Answer

Tooth decay — Fluoride strengthens tooth enamel. Deficiency = dental cavities.‌​‍

Answer

Anaemia

Answer

Goitre

Answer

Night blindness

Question 2

Where was the Ghadar Party founded?‌​‍

Accepted Answer

San Francisco — 1913 in San Francisco.‌​‍

Answer

Tokyo

Answer

Berlin

Answer

London

Question 3

The Human Genome Project, completed in 2003, mapped approximately how many genes?‌​‍

Accepted Answer

~20,000-25,000 — The HGP revealed that humans have only ~20,000 protein-coding genes — far fewer than initially expected.‌​‍

Answer

~100,000

Answer

~5,000

Answer

~1 million

Question 4

Chandrika (newspaper):

Accepted Answer

IUML — Muslim League newspaper.

Answer

Congress

Answer

CPI

Answer

BJP

Question 5

The Dandi March started on:‌​‍

Accepted Answer

12 March 1930 — The Dandi March started on 12 March 1930 from Sabarmati Ashram. ‌​‍It ended at Dandi on 6 April 1930.

Answer

6 April 1930

Answer

26 January 1930

Answer

12 March 1931

Question 6

A student correctly identifies the main difference between renewable and non-renewable resources during a microteaching session. To effectively apply the 'Reinforcement Skill', the teacher should:

Accepted Answer

B. Say, 'Excellent! That's a very clear explanation. Can you give an example of each?' — The 'Reinforcement Skill' involves providing immediate and appropriate feedback to students for their responses. Option B provides positive verbal reinforcement ('Excellent!', 'very clear explanation') and encourages further engagement, which is an effective application of the skill. Options A, C, and D are either insufficient, shift the focus, or represent a different form of reward rather than immediate pedagogical reinforcement.

Answer

A. Simply nod and proceed to the next question without comment.

Answer

C. Ask another student if they agree with the answer provided.

Answer

D. Record the student's name for a participation bonus at the end of the class.

Question 7

James Watt is best known for improving the:‌​‍

Accepted Answer

Steam engine — James Watt's improvements to the steam engine (patented 1769) fuelled the Industrial Revolution.‌​‍

Answer

Cotton gin

Answer

Spinning Jenny

Answer

Power loom

Question 8

Telephone invented by:‌​‍

Accepted Answer

Bell — Alexander Graham Bell (1876).‌​‍

Answer

Edison

Answer

Tesla

Answer

Marconi

Question 9

A young woman presents with changeable symptoms: a cough that is dry at night and loose in the morning, shifting pains in joints, and a desire for open air. She is mild, gentle, weeps easily, and is thirstless. What is the most indicated remedy?

Accepted Answer

C. Pulsatilla — Pulsatilla is characterized by changeable symptoms, a mild, gentle, yielding disposition, weeping easily, a desire for open air, and thirstlessness. Sepia is indifferent and desires solitude. Ignatia has paradoxical symptoms and grief. Natrum muriaticum has grief but is reserved and worse from consolation.

Answer

A. Sepia

Answer

B. Ignatia

Answer

D. Natrum muriaticum

Question 10

First law of thermodynamics is statement of:‌​‍

Accepted Answer

Conservation of energy (dQ = dU + dW) — Energy is conserved; heat added = increase in internal energy + work done by system. ‌​‍Sign conventions important.

Answer

Heat flow direction

Answer

Entropy

Answer

Absolute zero

LGS Mixed Practice Test #299