LGS Mixed Practice Test #284

Question 1

The modern periodic table has how many periods?‌​‍

Accepted Answer

7 — 7 horizontal rows (periods) in the modern periodic table.‌​‍

Answer

8

Answer

18

Answer

5

Question 2

Atomic number of Carbon:‌​‍

Accepted Answer

6 — Carbon Z=6.‌​‍

Answer

4

Answer

12

Answer

8

Question 3

Kerala 100% literacy year:

Accepted Answer

1991 — 18 April 1991 declared.

Answer

1990

Answer

1989

Answer

1995

Question 4

Kochi Port:‌​‍

Accepted Answer

Willingdon Island — On Willingdon Island.‌​‍

Answer

Beypore

Answer

Marine Drive

Answer

Kannur

Question 5

Which literary form is best suited for teaching moral values and ethical dilemmas to high school students?

Accepted Answer

C. Fables — Fables are short, allegorical stories designed to impart moral lessons, making them ideal for classroom discussions on ethics and values. While drama and novels can explore moral themes, they are often longer and more complex. Biographies focus on real-life events rather than moral instruction.

Answer

A. Drama

Answer

B. Biographies

Answer

D. Novels

Question 6

The lens formula relates image distance v, object distance u, and focal length f as:‌​‍

Accepted Answer

1/f = 1/v − 1/u — Cartesian sign convention: 1/v − 1/u = 1/f for lenses.‌​‍

Answer

1/f = 1/v + 1/u

Answer

f = v − u

Answer

f = v + u

Question 7

Find the incorrect pair:

Accepted Answer

Agra — Konark Temple — Konark Sun Temple is in Odisha (Puri district), not Agra.

Answer

Tanjavur — Brihadeeswara Temple

Answer

Amritsar — Golden Temple

Answer

Puri — Konark Temple

Question 8

Select the correctly spelt word:

Accepted Answer

Champagne — Champagne (sparkling wine, French origin).

Answer

Champaene

Answer

Shampagne

Answer

Shampaene

Question 9

Lorentz force on moving charge:‌​‍

Accepted Answer

F = q(v × B) — Total Lorentz force: F = q(E + v × B). Circular motion in uniform B: r = mv/qB.‌​‍

Answer

F = qE only

Answer

F = mv

Answer

F = ma

Question 10

During a quiet reading activity, a teacher notices two students whispering and giggling at the back of the classroom. Which of the following is the most appropriate initial response to manage this minor disruption without interrupting the entire class?

Accepted Answer

C. Moving closer to the students and making eye contact with a calm expression. — Moving closer (proximity control) and making eye contact are non-verbal cues that effectively address minor misbehavior without disrupting the entire class or escalating the situation. Publicly scolding or assigning detention immediately are overreactions for a minor initial disruption, while ignoring it might allow the behavior to escalate.

Answer

A. Immediately stopping the class and publicly scolding the students.

Answer

B. Ignoring the behavior completely, hoping it will stop on its own.

Answer

D. Assigning both students a detention slip without any prior warning.

LGS Mixed Practice Test #284