VFA Mixed Practice Test #680

Question 1

van't Hoff factor i for dilute NaCl (full dissociation):

Accepted Answer

2 — NaCl → Na⁺ + Cl⁻ (i=2). CaCl₂ (i=3). Helps understand why electrolytes affect colligative properties more.

Answer

1

Answer

3

Answer

Varies

Question 2

Ram Mandir Ayodhya consecration:‌​‍

Accepted Answer

22 Jan 2024 — Pran Pratishtha on 22 January 2024.‌​‍

Answer

15 Aug 2024

Answer

2022

Answer

2023

Question 3

Guruvayur Temple deity:‌​‍

Accepted Answer

Krishna (Guruvayurappan) — Lord Krishna as Guruvayurappan — Thrissur district.‌​‍

Answer

Shiva

Answer

Rama

Answer

Ayyappan

Question 4

Vector dot product a·b =

Accepted Answer

|a||b| cos θ — Scalar. If perpendicular, a·b = 0. Also = a₁b₁ + a₂b₂ + a₃b₃.

Answer

|a||b| sin θ

Answer

|a|+|b|

Answer

Always zero

Question 5

Study of heredity:‌​‍

Accepted Answer

Genetics — Genetics.‌​‍

Answer

Taxonomy

Answer

Evolution

Answer

Ecology

Question 6

National Security Advisor 2024-26:‌​‍

Accepted Answer

Ajit Doval — Ajit Doval since 2014.‌​‍

Answer

Shivshankar Menon

Answer

Nripendra Misra

Answer

MK Narayanan

Question 7

A teacher conducts a short quiz at the end of each chapter and uses the results to identify areas where students are struggling, then adjusts her teaching methods for the next class. This approach is an example of which type of assessment?

Accepted Answer

B. Formative Assessment — Formative assessment is designed to monitor student learning during instruction and provide ongoing feedback to both students and teachers. In this scenario, the quiz helps the teacher identify learning gaps and adjust teaching, which is a key characteristic of formative assessment. Summative assessment evaluates learning at the end of an instructional unit, while diagnostic assessment identifies learning difficulties before instruction begins.

Answer

A. Summative Assessment

Answer

C. Diagnostic Assessment

Answer

D. Norm-referenced Assessment

Question 8

Which of the following antacids is known for its rapid onset of action but can cause systemic alkalosis and rebound acidity with prolonged use?

Accepted Answer

D. Sodium bicarbonate — Sodium bicarbonate is a highly soluble and potent antacid that provides rapid relief. However, its absorption can lead to systemic alkalosis, and it is associated with rebound acid secretion, making it less suitable for long-term management compared to non-systemic antacids.

Answer

A. Aluminum hydroxide

Answer

B. Magnesium hydroxide

Answer

C. Calcium carbonate

Question 9

The merger of Travancore and Cochin in 1949, forming the United State of Travancore and Cochin, was not merely an administrative consolidation but also held significant strategic importance for the nascent Indian Union. From the perspective of the central government's long-term vision for regional development and stability, which of the following best describes a key strategic advantage sought through this specific merger?

Accepted Answer

B. To forge a more economically viable and resource-rich entity by combining Travancore's agricultural and industrial base with Cochin's strategic port and trade infrastructure, thereby strengthening the southern region. — The merger aimed to create a robust economic unit in the south. By combining Travancore's fertile agricultural lands, growing industries, and revenues with Cochin's vital port and trade networks, the central government sought to establish a self-sustaining and prosperous regional entity. This consolidation was crucial for enhancing overall economic stability and facilitating planned development within the newly independent India, aligning with the broader goal of integrating viable units into the Union.

Answer

A. To establish a preliminary framework for linguistic states, anticipating the future demands for Kerala by combining Malayalam-speaking regions.

Answer

C. To test a novel model of integrating princely states where traditional rulers would retain substantial executive powers, thereby ensuring a smoother transition for larger states like Hyderabad and Mysore.

Answer

D. To create a buffer state against potential maritime threats in the Arabian Sea, utilizing the combined naval resources and coastline of the two former kingdoms.

Question 10

Highest peak in world:

Accepted Answer

Everest — Mount Everest (8,849 m).

Answer

K2

Answer

Kanchenjunga

Answer

Annapurna

VFA Mixed Practice Test #680