LGS Mixed Practice Test #599

Question 1

Handwashing with soap and water is considered the most effective primary measure to prevent the spread of which type of infection?

Accepted Answer

C. Waterborne and foodborne diseases — Proper handwashing significantly reduces the transmission of pathogens causing gastrointestinal infections like cholera, typhoid, and various diarrheal diseases by removing microbes from hands before eating or preparing food. While important for general hygiene, it is not the primary defense against vector-borne, airborne, or sexually transmitted infections.

Answer

A. Vector-borne diseases like malaria

Answer

B. Airborne diseases like tuberculosis

Answer

D. Sexually transmitted infections

Question 2

Which tree is generally grown for forestation?

Accepted Answer

Teak — Teak is widely planted for commercial afforestation.

Answer

Mango Tree

Answer

Coconut Tree

Answer

Banyan

Question 3

SNDP Yogam founded by:‌​‍

Accepted Answer

Sree Narayana Guru — Sree Narayana Guru founded SNDP Yogam (1903).‌​‍

Answer

Ayyankali

Answer

Kumaran Asan

Answer

Dr. Palpu

Question 4

Young's double slit experiment shows:‌​‍

Accepted Answer

Wave nature via interference fringes — Fringe width β = λD/d. ‌​‍Maxima when path difference = nλ. Foundation of wave optics (1801).

Answer

Photoelectric effect

Answer

Polarization only

Answer

Particle nature of light

Question 5

Which of the following is the most distinguishing characteristic of microteaching, setting it apart from conventional teaching practice?

Accepted Answer

C. It emphasizes immediate, specific feedback on a single, isolated teaching skill. — Microteaching is characterized by its scaled-down nature, focusing on the practice and refinement of one specific teaching skill at a time, followed by immediate and constructive feedback. This targeted approach allows for focused improvement, unlike conventional practice which often involves longer lessons and broader evaluations, making option C the most accurate description.

Answer

A. It involves teaching a full lesson to a large class.

Answer

B. It focuses on developing multiple teaching skills simultaneously.

Answer

D. It requires a longer teaching duration to cover all content comprehensively.

Question 6

Currency of UK:‌​‍

Accepted Answer

Pound Sterling — Pound Sterling (£).‌​‍

Answer

Euro

Answer

Franc

Answer

Dollar

Question 7

Capital of Myanmar:‌​‍

Accepted Answer

Naypyidaw — Naypyidaw (since 2006). Yangon was former capital.‌​‍

Answer

Yangon

Answer

Mandalay

Answer

Bagan

Question 8

The Ezhuthachan Puraskaram is the highest literary honour conferred by the Government of Kerala. Which of the following best describes the primary criterion for selecting its recipient?

Accepted Answer

C. For overall contributions to Malayalam language and literature. — Ezhuthachan Puraskaram is given for overall, lifetime contributions to Malayalam language and literature, recognizing a writer's entire body of work and impact. It is not limited to a specific genre, publication timeframe, or international promotion, but rather acknowledges a comprehensive body of work.

Answer

A. For the best novel published in Malayalam in the preceding five years.

Answer

B. For significant contributions to Malayalam poetry throughout a career.

Answer

D. For promoting Malayalam literature globally through translations.

Question 9

Rate of reaction depends on concentration as per:‌​‍

Accepted Answer

Rate law: rate = k[A]^m[B]^n — Order = m+n (experimentally determined). ‌​‍Different from stoichiometric coefficients (unless elementary).

Answer

Ohm's law

Answer

Raoult's law

Answer

Arrhenius

Question 10

Highest mountain SA:

Accepted Answer

Aconcagua — Aconcagua, Argentina.

Answer

Huascarán

Answer

Chimborazo

Answer

Cotopaxi

LGS Mixed Practice Test #599