DCOA Mixed Practice Test #571

Question 1

Resolving power of microscope is ∝:‌​‍

Accepted Answer

1/λ — RP = 2μ sin β/λ. ‌​‍Smaller λ → better resolution. Electron microscope uses matter waves (λ much smaller).

Answer

Area

Answer

Wavelength

Answer

λ²

Question 2

Ranking: 15 students. Priya 8th from front. From back?

Accepted Answer

8 — In a line of N people, (rank from front) + (rank from back) = N + 1. So rank from back = 15 − 8 + 1 = 8.

Answer

7

Answer

9

Answer

6

Question 3

Pointing to a photo, a man says 'She is my mother's daughter.' The person is his:‌​‍

Accepted Answer

Sister — Mother's daughter = his sister.‌​‍

Answer

Mother

Answer

Daughter

Answer

Aunt

Question 4

The number of pairs of cranial nerves is:‌​‍

Accepted Answer

12 — There are 12 pairs of cranial nerves. There are 31 pairs of spinal nerves.‌​‍

Answer

10

Answer

24

Answer

31

Question 5

A rapidly growing tech startup in India is preparing for its Initial Public Offering (IPO). From the perspective of SEBI's regulatory framework, what is the primary expectation from the company's prospectus, specifically aimed at protecting potential retail investors?

Accepted Answer

C. To provide comprehensive and accurate disclosure of all material facts, risks, and financial health, enabling informed investment decisions. — SEBI's core role in an IPO is to ensure market integrity and investor protection through transparency. The prospectus is designed to provide full and fair disclosure of all relevant information, including financial details, business risks, and future prospects, so that potential investors can make informed decisions. SEBI does not guarantee returns (A), nor does it fix the offer price (D), though it scrutinizes the pricing mechanism. While companies may have stabilization strategies, it's not the primary expectation for the prospectus in terms of investor protection (B).

Answer

A. To guarantee a minimum return on investment for all subscribers within the first year of listing.

Answer

B. To outline the company's strategy for share price stabilization post-listing through buyback mechanisms.

Answer

D. To obtain mandatory approval from SEBI on the final offer price to ensure it is fair and reasonable for retail investors.

Question 6

Smallest district by area:

Accepted Answer

Alappuzha — Alappuzha — 1,414 sq km, smallest.

Answer

Thrissur

Answer

Ernakulam

Answer

Kottayam

Question 7

Constantinople was founded by:‌​‍

Accepted Answer

Constantine (330 CE) — Emperor Constantine the Great founded Constantinople on site of old Byzantium (330 CE). ‌​‍Capital of Eastern Roman Empire. Fell to Ottomans 1453.

Answer

Hadrian

Answer

Justinian

Answer

Nero

Question 8

A farmer in Kerala wants to shift from traditional paddy cultivation to a more profitable and sustainable model, considering the changing climate and market demands. Which of the following approaches would be most aligned with the objectives of promoting agricultural diversification and sustainability in Kerala?

Accepted Answer

C. Integrating aquaculture with paddy cultivation (Paddy-fish farming) and intercropping with short-duration vegetables. — Integrating aquaculture with paddy cultivation (Paddy-fish farming) and intercropping with short-duration vegetables represents a holistic approach to agricultural diversification and sustainability. This method enhances biodiversity, optimizes resource utilization, and provides multiple income streams, aligning with modern sustainable farming practices in Kerala. Options A, B, and D primarily suggest monoculture or less sustainable intensification, which do not fully address the need for diversification and environmental resilience.

Answer

A. Focusing solely on increasing the yield of existing paddy varieties through chemical fertilizers and pesticides.

Answer

B. Cultivating high-value spices like black pepper and cardamom as monocrops in large plantations.

Answer

D. Shifting entirely to rubber plantation as it offers stable long-term returns.

Question 9

IFFK held annually at:

Accepted Answer

TVM — Thiruvananthapuram.

Answer

Kochi

Answer

Kozhikode

Answer

Thrissur

Question 10

Pazhassi Raja died:‌​‍

Accepted Answer

1805 — 30 Nov 1805.‌​‍

Answer

1795

Answer

1800

Answer

1810

DCOA Mixed Practice Test #571