DCOA Mixed Practice Test #634

Question 1

Bamboo rafting tourism in:‌​‍

Accepted Answer

Periyar — Bamboo rafting is a popular eco-tourism activity in Periyar, Thekkady.‌​‍

Answer

Wayanad

Answer

Kumarakom

Answer

Munnar

Question 2

Conservation of mechanical energy applies when:‌​‍

Accepted Answer

Only conservative forces do work — KE + PE = constant when non-conservative forces (friction, air drag) do no work.‌​‍

Answer

Collisions

Answer

Always

Answer

Friction present

Question 3

Nearest galaxy to Milky Way:‌​‍

Accepted Answer

Magellanic Clouds — Large Magellanic Cloud (~160,000 ly). Andromeda nearest large galaxy.‌​‍

Answer

Centaurus A

Answer

Andromeda

Answer

Triangulum

Question 4

Aruvippuram Prathishta (idol installation) by Sree Narayana Guru took place in the year:

Accepted Answer

1888 — Sree Narayana Guru installed a Shiva Linga at Aruvippuram in 1888, defying the caste system which reserved temple rituals for Brahmins. He declared: 'We are not installing a Brahmin Shiva; this is our Shiva.'

Answer

1885

Answer

1891

Answer

1895

Question 5

A government school in a rural area of Kerala is struggling with low enrollment, lack of basic infrastructure like functional toilets and drinking water, and a high dropout rate among girls. Which of the following initiatives would primarily provide financial and programmatic support to address these specific challenges in a holistic manner?

Accepted Answer

C. Samagra Shiksha Abhiyan (SSA) — Samagra Shiksha Abhiyan (SSA) is an overarching program for school education, aiming to ensure inclusive and equitable quality education across all levels. It provides comprehensive support for infrastructure development, gender equity initiatives, and overall school improvement, directly addressing the mentioned challenges. While DPI is administrative and MDMS supports nutrition, SSA encompasses broader infrastructural and educational support.

Answer

A. Kerala State Literacy Mission Authority

Answer

B. Directorate of Public Instruction (DPI)

Answer

D. Mid-Day Meal Scheme (MDMS)

Question 6

The functional unit of the nervous system is:‌​‍

Accepted Answer

Neuron — Neuron (nerve cell) is the basic unit of the nervous system.‌​‍

Answer

Nephron

Answer

Hepatocyte

Answer

Alveolus

Question 7

A teacher plans to use a projector and slides for a history lesson. To maximize student engagement and understanding, which of the following is the MOST important consideration for designing the slides?

Accepted Answer

A. Including only essential keywords and high-quality visuals, rather than large blocks of text. — Effective slide design for teaching prioritizes clarity and engagement. Including only essential keywords and high-quality, relevant visuals helps students focus on key information and process it effectively, preventing cognitive overload often caused by dense text. Overly decorative elements or excessive text can hinder rather than enhance understanding.

Answer

B. Using a wide variety of fonts and bright colors to make the slides visually appealing.

Answer

C. Ensuring each slide contains a comprehensive summary of the topic to serve as notes for students.

Answer

D. Limiting the number of slides to avoid exceeding the allocated class time.

Question 8

Swachh Survekshan 2023 cleanest city:‌​‍

Accepted Answer

Indore — Indore — cleanest for 7th consecutive year.‌​‍

Answer

Surat

Answer

Navi Mumbai

Answer

Bhopal

Question 9

The IUPAC name of CH₃COOH is:

Accepted Answer

Ethanoic acid — CH₃COOH = ethanoic acid (acetic acid in common name). Vinegar is ~5–10% acetic acid.

Answer

Methanoic acid

Answer

Propanoic acid

Answer

Formic acid

Question 10

What is Psoriasis?‌​‍

Accepted Answer

Skin disorder — Chronic skin condition.‌​‍

Answer

Heart

Answer

Lung disease

Answer

Digestion

DCOA Mixed Practice Test #634