LGS Mixed Practice Test #611

Question 1

Which of the following is the primary role of the bicarbonate buffer system in human physiology?

Accepted Answer

C. Stabilizing blood pH — The bicarbonate buffer system (H2CO3/HCO3-) is one of the most important buffer systems in the human body, particularly in the blood. Its primary function is to resist changes in blood pH, thus maintaining the narrow physiological pH range essential for enzyme function and overall cellular processes. The other options are regulated by different physiological mechanisms.

Answer

A. Maintaining blood glucose levels

Answer

B. Regulating body temperature

Answer

D. Facilitating nerve impulse transmission

Question 2

A teacher observes that a student consistently performs well in a particular subject and spends extra time on related projects, even without the promise of rewards or high grades. The student expresses genuine enjoyment and curiosity about the subject matter. This behavior is primarily indicative of:

Accepted Answer

B. Intrinsic motivation, arising from inherent interest and satisfaction. — The correct answer is B. Intrinsic motivation is characterized by engaging in an activity for its inherent satisfaction, enjoyment, or interest, as described in the scenario. Options A and D are examples of extrinsic motivators, which are external to the task itself, while C (amotivation) implies a lack of motivation altogether, which contradicts the student's behavior.

Answer

A. Extrinsic motivation, driven by future career prospects.

Answer

C. Amotivation, as there are no clear external incentives.

Answer

D. Compliance, due to peer pressure and classroom norms.

Question 3

Kerala State Film Award best director latest:‌​‍

Accepted Answer

Anand Ekarshi — Anand Ekarshi won in recent years.‌​‍

Answer

Lijo Jose Pellissery

Answer

Various

Answer

Blessy

Question 4

Seconds pendulum has period:

Accepted Answer

2 s (each swing 1 s) — Length ≈ 1 m at g=9.8. Used historically for clocks.

Answer

1 s

Answer

0.5 s

Answer

4 s

Question 5

Deepika (oldest running Malayalam):

Accepted Answer

1887 — Nasrani Deepika 1887 — oldest Malayalam paper still running.

Answer

1900

Answer

1920

Answer

1947

Question 6

The SI unit of thermodynamic temperature is:‌​‍

Accepted Answer

Kelvin — Kelvin (K) is the SI base unit; 0 K = absolute zero.‌​‍

Answer

Celsius

Answer

Fahrenheit

Answer

Réaumur

Question 7

The first Chief Minister of the newly formed Kerala (1957) belonged to which party?‌​‍

Accepted Answer

Communist Party of India — EMS Namboodiripad led the world's first democratically elected Communist government.‌​‍

Answer

INC

Answer

Muslim League

Answer

Socialist Party

Question 8

A secondary rainbow has colours in:‌​‍

Accepted Answer

Reversed order (red inside, violet outside) — Secondary rainbow from two internal reflections; less intense and reversed spectrum.‌​‍

Answer

Same as sky

Answer

Same order

Answer

All white

Question 9

Under the Samagra Shiksha Abhiyan (SSA), which of the following activities is NOT directly funded by the central government?

Accepted Answer

C. Payment of honorarium to part-time teachers (Shiksha Sahayaks) — While textbooks are provided free under SSA, their procurement and distribution costs are often shared between central and state governments. Honorarium for part-time teachers (Option C) is typically funded by state governments, making it the correct answer. Options A and D are centrally funded components.

Answer

A. Construction of school buildings and classrooms

Answer

B. Provision of free textbooks to students in government schools

Answer

D. Implementation of digital literacy programs in schools

Question 10

Kunchan Nambiar invented:

Accepted Answer

Thullal — Thullal (Ottan, Seethankan, Parayan).

Answer

Kathakali

Answer

Mohiniyattam

Answer

Ottamthullal only

LGS Mixed Practice Test #611