VFA Mixed Practice Test #377

Question 1

Mendel's experiment with:‌​‍

Accepted Answer

Pea plants — Garden pea. Father of Genetics.‌​‍

Answer

Rice

Answer

Wheat

Answer

Corn

Question 2

INC founded in:‌​‍

Accepted Answer

1885 — 1885 by A.O. Hume.‌​‍

Answer

1880

Answer

1890

Answer

1895

Question 3

UPI full form:‌​‍

Accepted Answer

Unified Payments Interface — Unified Payments Interface, developed by NPCI.‌​‍

Answer

United Payment Interface

Answer

Universal Pay India

Answer

United Pay India

Question 4

The Treaty of Rome (1957) established:‌​‍

Accepted Answer

European Economic Community (EEC) — precursor to EU — Signed by 6 countries (France, W. ‌​‍Germany, Italy, Belgium, Netherlands, Luxembourg). Goals: common market, economic integration. ‌​‍Evolved into EU (Maastricht 1993).

Answer

UN

Answer

League of Nations

Answer

NATO

Question 5

Centre for Development Studies (CDS):

Accepted Answer

TVM — social sciences — TVM — premier social science research.

Answer

Kochi

Answer

Thrissur

Answer

Kottayam

Question 6

Which part of the EM spectrum has the longest wavelength?‌​‍

Accepted Answer

Radio waves — Radio waves (km to mm) have longest wavelengths in the EM spectrum.‌​‍

Answer

Gamma

Answer

X-ray

Answer

Visible

Question 7

Founder of the 'Saiva Prakasha Sabha':‌​‍

Accepted Answer

Thycaud Ayya — Thycaud Ayya Swamikal founded Saiva Prakasha Sabha in 1892.‌​‍

Answer

Chattampi Swamikal

Answer

Poykayil Yohannan

Answer

Ayya Vaikundar

Question 8

Which of the following bacterial structures is primarily responsible for adherence to host cells and surfaces, playing a crucial role in initiating infection?

Accepted Answer

C. Pili (Fimbriae). — Pili, also known as fimbriae, are short, hair-like appendages on the surface of many bacteria that enable them to adhere to host cells and surfaces, which is a critical first step in establishing an infection. The cell wall (A) provides structural integrity, flagella (B) are primarily involved in motility, and the capsule (D) helps resist phagocytosis but is less directly involved in initial adherence compared to pili.

Answer

A. Cell wall.

Answer

B. Flagella.

Answer

D. Capsule.

Question 9

In a healthcare setting, sharp waste (e.g., needles, scalpels) should be disposed of in:

Accepted Answer

C. Puncture-resistant, leak-proof containers — Sharp waste poses a significant risk of injury and infection, so it must be disposed of in specialized puncture-resistant, leak-proof containers, often referred to as sharps containers. Regular bins, infectious waste bags (which are not puncture-proof), or recyclable bins are inappropriate and dangerous for sharp objects.

Answer

A. Regular black waste bins

Answer

B. Yellow infectious waste bags

Answer

D. Blue recyclable bins

Question 10

A teacher wants to introduce a complex scientific concept, like the working of a human heart, to a class of 8th graders. Which of the following teaching aids would be MOST effective in ensuring clear understanding and retention among students, specifically focusing on the dynamic process of blood circulation?

Accepted Answer

D. An interactive digital simulation or video animation showing blood flow through the heart and body. — For understanding a dynamic process like blood circulation, an interactive digital simulation or video animation is most effective. It visually demonstrates the continuous flow and changes over time, which static charts or even 3D models cannot fully convey. Hands-on dissection focuses more on anatomy than the dynamic process itself.

Answer

A. A large, detailed wall chart depicting the anatomy of the heart.

Answer

B. A hands-on dissection of an animal heart.

Answer

C. A 3D model of the human heart with movable parts.

VFA Mixed Practice Test #377