LGS Mixed Practice Test #644

Question 1

A teacher finds her students struggling to apply learned concepts to real-world problems, despite scoring well in tests. Which core guiding principle of NCF 2005 is most directly violated in this scenario, and thus needs to be addressed?

Accepted Answer

A. Connecting knowledge to life outside the school. — The correct answer is A. NCF 2005 strongly advocates for connecting knowledge to life outside the school, moving beyond textbook learning to enable students to apply concepts in real-world contexts. Options B and C are related principles but are secondary to the core issue of application, which stems from the disconnect between school knowledge and external life. Option D is a broader societal goal, not directly addressing the pedagogical problem of lack of application.

Answer

B. Ensuring learning shifts away from rote methods.

Answer

C. Making examinations more flexible and integrated with classroom life.

Answer

D. Nurturing an overriding identity informed by democratic polity.

Question 2

Who was the first Keralite to serve twice as Finance Minister in the Central Cabinet?

Accepted Answer

Dr. John Mathai — Dr. John Mathai held the Finance portfolio 1949–1950 in the Nehru cabinet.

Answer

A.K. Antony

Answer

K. Karunakaran

Answer

Krishna Kumar

Question 3

The reaction centre of photosystem I has chlorophyll absorbing at:‌​‍

Accepted Answer

P700 nm — PS I absorbs best at 700 nm (P700); PS II at 680 nm (P680).‌​‍

Answer

P400 nm

Answer

P500 nm

Answer

P680 nm

Question 4

Coefficient of linear expansion α relates to:‌​‍

Accepted Answer

ΔL/L = α ΔT — β (area) ≈ 2α, γ (volume) ≈ 3α for isotropic solids.‌​‍

Answer

Density

Answer

Volume expansion

Answer

Area expansion

Question 5

Vitamin E is also called:‌​‍

Accepted Answer

Tocopherol — Tocopherol. Deficiency = sterility.‌​‍

Answer

Retinol

Answer

Calciferol

Answer

Thiamine

Question 6

India's G20 Presidency in 2023 championed the inclusion of the African Union as a permanent member of the G20. What was the primary motivation behind this historic move, as articulated by India?

Accepted Answer

D. To provide a stronger voice for the Global South and address its developmental priorities more effectively. — The inclusion of the African Union as a permanent member of the G20 under India's presidency was a landmark decision. India consistently advocated for this move to amplify the voice of the Global South and ensure that the developmental priorities and concerns of developing nations, particularly from Africa, are adequately represented and addressed at the highest global economic forum. While economic integration (C) is a potential benefit, the overarching motivation was about equitable representation and addressing global imbalances. Options A and B are incorrect as they do not reflect the stat

Answer

A. To balance the influence of Western European nations within the G20.

Answer

B. To facilitate greater military cooperation between G20 and African nations.

Answer

C. To accelerate the economic integration of African states into global trade blocs.

Question 7

Dispersion in prism occurs because:‌​‍

Accepted Answer

Different wavelengths have different refractive indices — Violet bends most (highest n), red least. ‌​‍Forms spectrum. Rainbows: droplet dispersion + internal reflection.

Answer

Prism refracts light

Answer

Colour changes

Answer

Interference

Question 8

Which of the following elements in the periodic table has the highest electronegativity value, making it the most likely to form anions in chemical reactions?

Accepted Answer

B. Chlorine (Cl) — Chlorine (Cl) has the highest electronegativity among the given options (3.16 on the Pauling scale), making it the most likely to gain electrons and form anions. Sodium, potassium, and calcium are metals with low electronegativity and tend to lose electrons, forming cations instead.

Answer

A. Sodium (Na)

Answer

C. Potassium (K)

Answer

D. Calcium (Ca)

Question 9

Kerala's total rivers:‌​‍

Accepted Answer

44 — 44 (41 west-flowing + 3 east-flowing).‌​‍

Answer

41

Answer

30

Answer

50

Question 10

A researcher consistently excels at critically evaluating complex data, identifying subtle patterns in scientific observations, and solving intricate theoretical problems in their field. According to Robert Sternberg's Triarchic Theory of Intelligence, these strengths primarily reflect which aspect of intelligence?

Accepted Answer

C. Analytical intelligence — Sternberg's Analytical (Componential) intelligence is characterized by the ability to analyze, judge, evaluate, compare, and contrast information. The researcher's skills in critically evaluating data, identifying patterns, and solving theoretical problems are core components of analytical intelligence. Practical intelligence involves adapting to real-world contexts, while creative intelligence deals with handling novelty. Fluid intelligence is a concept from Cattell, not Sternberg's Triarchic theory.

Answer

A. Practical intelligence

Answer

B. Creative intelligence

Answer

D. Fluid intelligence

LGS Mixed Practice Test #644