VFA Mixed Practice Test #648

Question 1

UNESCO headquarters is in:‌​‍

Accepted Answer

Paris — UNESCO (United Nations Educational, Scientific and Cultural Organization) is headquartered in Paris, France.‌​‍

Answer

Rome

Answer

Geneva

Answer

London

Question 2

During an 'Elaborate' phase of a 5E lesson on ecosystems, what would be an appropriate activity for students?

Accepted Answer

B. Designing a miniature self-sustaining ecosystem in a jar and monitoring its changes. — The 'Elaborate' phase requires students to apply their newly acquired knowledge to new situations, extend their understanding, and make connections to real-world phenomena. Designing a miniature ecosystem allows students to apply their knowledge of ecosystem components and interactions in a practical, extended context. Watching a documentary is 'Engage', discussing definitions is 'Explain', and taking a quiz is 'Evaluate'.

Answer

A. Watching a documentary about various ecosystems to introduce the topic.

Answer

C. Discussing the formal definitions of producers, consumers, and decomposers.

Answer

D. Taking a multiple-choice quiz on the components of an ecosystem.

Question 3

Which is the largest biosphere reserve in India?‌​‍

Accepted Answer

Gulf of Mannar — Gulf of Mannar — 10,500 sq km.‌​‍

Answer

Sundarban

Answer

Nilgiri

Answer

Nanda Devi

Question 4

Electron transport chain in:‌​‍

Accepted Answer

Inner mitochondrial membrane — Mitochondrial inner membrane.‌​‍

Answer

Cytoplasm

Answer

Thylakoid

Answer

Nucleus

Question 5

The NEP 2020 introduces the concept of 'Academic Bank of Credit' (ABC). What is its primary purpose?

Accepted Answer

A. To allow students to earn and store academic credits digitally for flexibility in degree completion. — The Academic Bank of Credit (ABC) is designed to enable students to digitally store and transfer academic credits earned from different higher education institutions, promoting flexibility in degree pathways. Options B, C, and D are unrelated to the ABC's primary function.

Answer

B. To provide financial aid to students for higher education.

Answer

C. To establish a centralized database for all school textbooks.

Answer

D. To monitor and evaluate the performance of teachers across India.

Question 6

Chemmeen author:‌​‍

Accepted Answer

Thakazhi Sivasankara Pillai — Thakazhi (1956).‌​‍

Answer

Basheer

Answer

MT

Answer

OV Vijayan

Question 7

Computers use the ___ number system to store data and perform calculations.

Accepted Answer

Binary — Computers operate on binary (0s and 1s) at the hardware level.

Answer

Decimal

Answer

Octal

Answer

Hexadecimal

Question 8

Reflex actions are controlled by the:‌​‍

Accepted Answer

Spinal cord — Reflex arcs bypass the brain and are mediated by the spinal cord.‌​‍

Answer

Medulla

Answer

Cerebellum

Answer

Cerebrum

Question 9

Repo rate (early 2026):‌​‍

Accepted Answer

6.25% — RBI cut repo rate to 6.25% in Feb 2025.‌​‍

Answer

6.5%

Answer

7%

Answer

6.75%

Question 10

Arab Spring uprisings (2010-11) toppled regimes in:

Accepted Answer

Tunisia, Egypt, Libya, Yemen — Tunisia (Ben Ali fell Jan 2011), Egypt (Mubarak Feb 2011), Libya (Gaddafi killed Oct 2011), Yemen (Saleh Feb 2012). Syria descended into civil war.

Answer

Only Tunisia

Answer

All Arab states

Answer

None

VFA Mixed Practice Test #648