DCOA Mixed Practice Test #695

Question 1

Kerala HC current CJ (2024-26):

Accepted Answer

Changes periodically — Keeps changing.

Answer

Political appointment

Answer

Life tenure

Answer

Permanent

Question 2

Jewish Synagogue in Kochi built in:

Accepted Answer

1568 — Paradesi Synagogue in Mattancherry, Kochi — built 1568.

Answer

1468

Answer

1668

Answer

1768

Question 3

The human hearing range is:‌​‍

Accepted Answer

20-20,000 Hz — Humans can hear sounds in the frequency range of 20 Hz to 20,000 Hz. ‌​‍Below 20 Hz = infrasound. Above 20,000 Hz = ultrasound.

Answer

1-100 Hz

Answer

100-50,000 Hz

Answer

500-100,000 Hz

Question 4

The founder of N.S.S. (Nair Service Society) in Kerala was:

Accepted Answer

Mannathu Padmanabhan — Mannathu Padmanabhan founded NSS in 1914.

Answer

Sree Narayana Guru

Answer

Vagbhatananda

Answer

Ayyankali

Question 5

The reaction centre of photosystem I has chlorophyll absorbing at:‌​‍

Accepted Answer

P700 nm — PS I absorbs best at 700 nm (P700); PS II at 680 nm (P680).‌​‍

Answer

P400 nm

Answer

P500 nm

Answer

P680 nm

Question 6

Fleming's Right-Hand Rule applies to:‌​‍

Accepted Answer

Generators (induced EMF direction) — Right-hand rule gives the direction of induced current in a generator.‌​‍

Answer

Transformers

Answer

Electric motors

Answer

Capacitors

Question 7

The Nazi secret police force was called the:‌​‍

Accepted Answer

Gestapo — Gestapo (Geheime Staatspolizei) gathered intelligence and suppressed opposition.‌​‍

Answer

Einsatzgruppen

Answer

SS

Answer

SA

Question 8

Galvanisation is coating iron with:‌​‍

Accepted Answer

Zinc — Galvanisation = coating iron with zinc to prevent rusting.‌​‍

Answer

Copper

Answer

Tin

Answer

Chromium

Question 9

The proposed development of National Waterway 3 (NW3) in Kerala, running from Kollam to Kottapuram, is expected to significantly impact the state's logistics and economy. Beyond reducing road congestion, which of the following represents the MOST significant *environmental* advantage of promoting inland water transport over road transport for cargo movement?

Accepted Answer

A. Lower carbon emissions per ton-kilometer of freight. — Inland water transport is widely recognized for its superior energy efficiency compared to road transport, leading to significantly lower fuel consumption and, consequently, reduced carbon dioxide emissions per unit of freight moved. This makes it a crucial strategy in mitigating climate change impacts. While reduced noise pollution and less land acquisition are also benefits, the reduction in greenhouse gas emissions offers the most significant environmental advantage on a broader scale.

Answer

B. Reduced noise pollution in urban areas.

Answer

C. Preservation of biodiversity along riverine ecosystems.

Answer

D. Minimized land acquisition requirements compared to new highways.

Question 10

Which of the following is NOT a responsibility of the State Commission for Protection of Child Rights (SCPCR) under the RTE Act in Kerala?

Accepted Answer

D. Directly enrolling children in government schools if private schools deny admission — While SCPCR monitors RTE implementation, investigates complaints, and may conduct inspections, it does NOT have the authority to directly enroll children in schools. Enrollment is handled by the local authorities or school managements. Distractor C is plausible as inspections are a key function, while D is incorrect as direct enrollment is outside SCPCR's mandate.

Answer

A. Monitoring the implementation of RTE provisions in schools

Answer

B. Investigating complaints related to denial of admission under RTE

Answer

C. Conducting surprise inspections of schools to verify RTE compliance

DCOA Mixed Practice Test #695