DCOA Mixed Practice Test #261

Question 1

A common health education point for older adults, particularly post-menopausal women, is the importance of calcium and Vitamin D for preventing osteoporosis. Vitamin D's primary role in bone health is to:

Accepted Answer

C. Enhance calcium absorption from the intestine. — Vitamin D is crucial for bone health because it plays a vital role in regulating calcium and phosphate levels in the body. Its primary function is to enhance the absorption of dietary calcium from the gastrointestinal tract, ensuring adequate calcium is available for bone mineralization and maintenance.

Answer

A. Directly strengthen bone matrix.

Answer

B. Stimulate osteoclast activity.

Answer

D. Increase calcium excretion by the kidneys.

Question 2

A geostationary satellite has period:‌​‍

Accepted Answer

24 h — ~23h 56m (sidereal day). ‌​‍Altitude ~35,786 km above equator. Orbits in equatorial plane.

Answer

365 d

Answer

12 h

Answer

1 h

Question 3

FACT Udyogamandal on:‌​‍

Accepted Answer

Periyar — Periyar river.‌​‍

Answer

Chalakudy

Answer

Bharathapuzha

Answer

Muvattupuzha

Question 4

Which of the following measures is most crucial for ensuring sustainable mining of beach sand minerals along Kerala's coast, considering both economic development and ecological preservation?

Accepted Answer

D. Establishing a robust regulatory framework with strict environmental impact assessments and rehabilitation plans. — A robust regulatory framework (D) is fundamental for sustainable mining, as it integrates environmental protection, social equity, and economic viability. It ensures that activities like advanced beneficiation (B) are mandated, environmental impacts are assessed, and affected areas are rehabilitated, making it more comprehensive than technical solutions alone. Prioritizing raw export (A) is not sustainable, and complete prohibition (C) ignores economic development, failing to strike a balance.

Answer

A. Prioritizing export of raw minerals to maximize immediate revenue.

Answer

B. Implementing advanced beneficiation techniques to add value and reduce waste.

Answer

C. Strictly prohibiting all mining activities to protect coastal ecosystems.

Question 5

An ionic bond is typically formed between:‌​‍

Accepted Answer

A metal and a non-metal — Electron transfer from metal (low EN) to non-metal (high EN) forms ionic bonds.‌​‍

Answer

Two non-metals

Answer

Noble gases

Answer

Two metals

Question 6

Samagra Shiksha Kerala (SSK) is an overarching program for school education. Which of the following best describes its integrated approach?

Accepted Answer

B. It integrates the schemes of Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE). — Samagra Shiksha Kerala (SSK) is an integrated scheme for school education extending from pre-school to higher secondary levels. It was formed by subsuming the three existing schemes of Sarva Shiksha Abhiyan (SSA), Rashtriya Madhyamik Shiksha Abhiyan (RMSA), and Teacher Education (TE) to ensure inclusive and equitable quality education at all levels. The other options describe partial aspects or incorrect focuses of the comprehensive SSK program.

Answer

A. It focuses exclusively on primary education, from pre-school to standard V.

Answer

C. It provides vocational training only to students in standards IX and X.

Answer

D. It primarily aims at promoting higher education scholarships for meritorious students.

Question 7

The socio-religious reform movements in Kerala played a crucial role in challenging traditional patriarchal norms and promoting women's empowerment. Which of the following statements accurately reflects a significant contribution in this regard?

Accepted Answer

B. Figures like V.T. Bhattathiripad championed the cause of Namboothiri women by advocating for the abolition of polygamy and promoting widow remarriage and education. — V.T. Bhattathiripad was a prominent Namboothiri reformer who specifically addressed the plight of Namboothiri women, advocating for an end to polygamy, promoting widow remarriage, and emphasizing female education within his community. While other reformers also contributed to women's empowerment, this statement highlights a specific and accurate aspect of these movements' impact on challenging patriarchal norms. Options A, C, and D misrepresent the primary focus, specific demands, or timeline of these early reform efforts.

Answer

A. The reformers primarily focused on establishing women-only political parties to advocate for their rights.

Answer

C. The movements universally demanded the right for women to serve as priests in temples, challenging religious orthodoxy.

Answer

D. They successfully secured constitutional reservations for women in local self-governing bodies during the early 20th century.

Question 8

Impedance of LCR series circuit:‌​‍

Accepted Answer

Z = √(R² + (XL - XC)²) — XL = ωL, XC = 1/ωC. Resonance: XL = XC, Z = R (minimum), current max.‌​‍

Answer

L+C+R

Answer

R/L

Answer

R

Question 9

Total bones adult:‌​‍

Accepted Answer

206 — 206 bones.‌​‍

Answer

196

Answer

216

Answer

300

Question 10

Ernakulam is:

Accepted Answer

Commercial capital — Most urbanised. Kochi is here.

Answer

Capital

Answer

Cultural capital

Answer

Judicial capital

DCOA Mixed Practice Test #261