LGS Mixed Practice Test #366

Question 1

Which initiative was recently launched by the Kerala Health Department to improve maternal and child health outcomes in tribal communities?

Accepted Answer

B. Arogya Kiranam — Arogya Kiranam is a Kerala Health Department initiative specifically aimed at enhancing maternal and child health services in tribal-dominated regions, providing better access to antenatal, natal, and postnatal care. The other options are either national schemes (C, D) or a broader state health mission (A), making them incorrect in this context.

Answer

A. Arogya Keralam Mission

Answer

C. Janani Suraksha Yojana

Answer

D. Ayushman Bharat - Health and Wellness Centres

Question 2

The LM (50 Millesimal) potencies are known for their unique preparation and administration. What is the dilution factor at each step in the preparation of an LM potency?

Accepted Answer

C. 1:50,000 (Millesimal scale). — LM (50 Millesimal) potencies are prepared by a distinct method where one part of the previous potency is diluted with 50,000 parts of the vehicle (often a mixture of alcohol and water) at each successive step. This results in an extremely high dilution factor, distinguishing them from decimal (1:10) or centesimal (1:100) scales.

Answer

A. 1:100 (Centesimal scale).

Answer

B. 1:500 (Intermediate between X and C).

Answer

D. 1:1,000 (Thousand-fold dilution).

Question 3

Eye's lens:

Accepted Answer

Converging — Biconvex lens.

Answer

Diverging

Answer

Plane

Answer

Concave

Question 4

Which is NOT a colligative property?

Accepted Answer

Viscosity — Colligative properties depend on particle number: ΔTb, ΔTf, osmotic pressure, vapour pressure lowering.

Answer

Boiling point elevation

Answer

Freezing point depression

Answer

Osmotic pressure

Question 5

Alappuzha Beach Fest:‌​‍

Accepted Answer

Annual cultural event — Annual fest.‌​‍

Answer

Monthly

Answer

Weekly

Answer

Never

Question 6

A school has recently invested in smartboards and tablets for all classrooms. What is the MOST crucial factor for the successful and effective integration of these ICT tools into the daily teaching-learning process?

Accepted Answer

B. Providing comprehensive training and ongoing support for teachers on how to utilize these tools effectively. — While infrastructure and content are important, the most crucial factor for successful ICT integration is empowering teachers with the necessary skills and confidence. Comprehensive training and continuous support ensure that teachers can effectively leverage these tools, preventing them from being underutilized or misused.

Answer

A. Ensuring all classrooms have high-speed internet connectivity.

Answer

C. Developing digital content specifically tailored for the school's curriculum.

Answer

D. Mandating teachers to use ICT tools for at least one period daily.

Question 7

Which part of the nephron is primarily responsible for the reabsorption of most of the filtered water, glucose, and amino acids back into the blood?

Accepted Answer

B. Proximal convoluted tubule — The proximal convoluted tubule (PCT) is the main site for the reabsorption of the bulk of filtered substances, including approximately 65-70% of water, all glucose, and amino acids. The glomerulus is for filtration, the Loop of Henle primarily regulates water and salt concentration, and the collecting duct fine-tunes water reabsorption under hormonal control.

Answer

A. Glomerulus

Answer

C. Loop of Henle

Answer

D. Collecting duct

Question 8

Many antibiotics target bacterial ribosomes to inhibit protein synthesis, thereby killing the bacteria. This mechanism exploits the structural differences between bacterial and human ribosomes. Which of the following organelles in human cells is primarily responsible for protein synthesis?

Accepted Answer

D. Ribosomes — Ribosomes are the cellular organelles responsible for protein synthesis (translation) in both prokaryotic (bacteria) and eukaryotic (human) cells. While the endoplasmic reticulum is involved in processing and transporting proteins, the actual synthesis occurs on ribosomes, either free in the cytoplasm or attached to the ER. Mitochondria are for energy production, and the nucleus houses genetic material.

Answer

A. Mitochondria

Answer

B. Nucleus

Answer

C. Endoplasmic Reticulum

Question 9

A high school science teacher wants to improve student engagement in practical lab sessions. He decides to implement an action research cycle. Which of the following sequences correctly represents the typical steps he would follow?

Accepted Answer

B. Planning an intervention, Acting on the plan, Observing the results, Reflecting on the process and outcomes. — The action research cycle typically follows a 'Plan-Act-Observe-Reflect' sequence. The teacher first plans an intervention based on an identified problem, then implements (acts on) it, carefully observes the effects, and finally reflects on the outcomes to inform the next cycle of improvement.

Answer

A. Observing student behavior, Planning new activities, Reflecting on outcomes, Acting on the plan.

Answer

C. Reflecting on past lessons, Observing student reactions, Planning a new strategy, Acting without further evaluation.

Answer

D. Acting on a hypothesis, Planning further research, Observing external factors, Reflecting on theoretical implications.

Question 10

A significant reform proposed by NEP 2020 for higher education is the establishment of a single overarching umbrella body, excluding legal and medical education. What is this body called, and what is its primary objective?

Accepted Answer

C. Higher Education Commission of India (HECI) for light but tight regulation, common norms, and multidisciplinary education — The NEP 2020 proposes the establishment of the Higher Education Commission of India (HECI) as a single overarching umbrella body for higher education, excluding legal and medical education. Its primary objective is to ensure light but tight regulation, common norms, and foster multidisciplinary education, replacing multiple existing regulatory bodies. UGC, AICTE, and NAAC are existing bodies with specific functions, but HECI is envisioned as a comprehensive regulator.

Answer

A. University Grants Commission (UGC) for funding and accreditation

Answer

B. All India Council for Technical Education (AICTE) for technical education standards

Answer

D. National Assessment and Accreditation Council (NAAC) for quality assurance and ranking

LGS Mixed Practice Test #366