LDC Mixed Practice Test #664

Question 1

Integral ∫x^n dx (n≠-1):‌​‍

Accepted Answer

x^(n+1)/(n+1) + C — Power rule for integration. ∫1/x dx = ln|x| + C (special case n=-1).‌​‍

Answer

x^(n-1)

Answer

x^n

Answer

nx^(n+1)

Question 2

Kerala's Responsible Tourism (RT) Mission has garnered international acclaim for its sustainable and community-centric approach. Which of the following is NOT a core principle or objective of the RT Mission?

Accepted Answer

C. Prioritizing mass tourism development with a focus on high-volume international arrivals. — The Kerala RT Mission emphasizes sustainable tourism that benefits local communities, protects the environment, and respects culture. Prioritizing mass tourism and high-volume arrivals (Option C) contradicts the principles of responsible and sustainable tourism, which typically focus on quality over quantity and mitigating negative impacts. Options A, B, and D are all core tenets of responsible tourism.

Answer

A. Promoting local community participation and empowerment in tourism activities.

Answer

B. Ensuring economic benefits of tourism accrue primarily to local communities.

Answer

D. Minimizing negative environmental and socio-cultural impacts of tourism.

Question 3

The liver plays a vital role in detoxifying ammonia, a toxic byproduct of protein metabolism, by converting it into a less toxic substance for excretion. This substance is:

Accepted Answer

B. Urea — The liver is the primary site for the urea cycle, which converts highly toxic ammonia, produced from amino acid deamination, into less toxic urea. Urea is then transported to the kidneys for excretion in urine. Glucose is a carbohydrate, bilirubin is a heme breakdown product, and ketone bodies are produced during fat metabolism.

Answer

A. Glucose

Answer

C. Bilirubin

Answer

D. Ketone bodies

Question 4

Which technique is most effective for maintaining student attention during a 45-minute lecture on a complex topic?

Accepted Answer

B. Using visual aids and asking periodic recall questions to check understanding — Using visual aids and periodic recall questions (Option B) actively engages students by breaking the lecture into manageable segments and reinforcing learning. Continuous lecturing (Option A) leads to cognitive overload, while phone use (Option C) and doodling (Option D) are distractions that reduce focus.

Answer

A. Delivering the entire lecture without pauses or breaks

Answer

C. Allowing students to use their phones during the lecture to take notes

Answer

D. Encouraging students to doodle as a way to stay engaged

Question 5

The inclusion of provisions for 'Equal Justice and Free Legal Aid' (Article 39A) in the Constitution of India primarily reflects the state's commitment to achieving which of the following?

Accepted Answer

C. Implementing a Directive Principle of State Policy to secure social and economic justice. — Article 39A is explicitly categorized under Directive Principles of State Policy (Part IV). Its primary purpose is to secure social and economic justice by ensuring that no citizen is denied justice merely due to economic or other disabilities. While it indirectly supports the ideals of the Preamble, its direct classification and intent fall under DPSP, and it is not directly related to freedom of speech or citizen's fundamental duties.

Answer

A. Enhancing the Fundamental Right to Freedom of Speech and Expression.

Answer

B. Fulfilling the ideals of liberty and equality enshrined in the Preamble.

Answer

D. Strengthening the Fundamental Duties of citizens to uphold the Constitution.

Question 6

Lok Sabha 2024 election winner:‌​‍

Accepted Answer

NDA — NDA formed government; BJP 240, NDA 293.‌​‍

Answer

BJP alone

Answer

Congress alone

Answer

INDIA alliance

Question 7

Theyyam is performed in:‌​‍

Accepted Answer

North Kerala (Malabar) — Theyyam — ritual art form of North Malabar (Kannur, Kasaragod).‌​‍

Answer

South Kerala

Answer

Central Kerala

Answer

All Kerala

Question 8

Sree Padmanabha temple vault B:‌​‍

Accepted Answer

Unopened (disputed) — Vault B — legal disputes.‌​‍

Answer

Empty

Answer

Opened

Answer

Destroyed

Question 9

'He reads the newspaper every morning.' Change to passive voice:

Accepted Answer

The newspaper is read by him every morning — Present simple passive: is/are + past participle.

Answer

The newspaper was read by him

Answer

The newspaper has been read

Answer

The newspaper reads him

Question 10

The Chief Election Commissioner can be removed from office only by:‌​‍

Accepted Answer

Impeachment process like a Supreme Court judge — CEC enjoys same security of tenure as SC judge — removable only by impeachment.‌​‍

Answer

Supreme Court

Answer

Simple majority vote

Answer

President on recommendation of PM

LDC Mixed Practice Test #664