DCOA Mixed Practice Test #681

Question 1

PAN stands for:‌​‍

Accepted Answer

Permanent Account Number — PAN = Permanent Account Number (10-digit alphanumeric by Income Tax dept).‌​‍

Answer

Public Account Number

Answer

Personal Access Number

Answer

Payment Authorization Number

Question 2

Who became the President of Sri Lanka in 2015?‌​‍

Accepted Answer

Maithripala Sirisena — Sirisena defeated Rajapaksa in January 2015.‌​‍

Answer

Ranil Wickremesinghe

Answer

Mahinda Rajapaksa

Answer

Chandrika Kumaratunga

Question 3

The Kerala Library Movement was launched in 1945 under the leadership of:

Accepted Answer

P.N. Panicker — P.N. Panicker convened the Travancore library conference in 1945 — 'Father of the Library Movement in Kerala'.

Answer

Vaikom Muhammad Basheer

Answer

Thakazhi Sivasankara Pillai

Answer

EMS Namboodiripad

Question 4

Electrolysis of molten NaCl gives:‌​‍

Accepted Answer

Na at cathode, Cl₂ at anode — Na⁺ is reduced to Na at cathode; Cl⁻ is oxidised to Cl₂ at anode.‌​‍

Answer

Only Na

Answer

Na at anode, Cl₂ at cathode

Answer

Only Cl₂

Question 5

Regarding the prestigious Padma Awards conferred by the Government of India for distinguished service, including in the field of medicine, which option correctly lists them in ascending order of their hierarchy?

Accepted Answer

A. Padma Shri, Padma Bhushan, Padma Vibhushan — The Padma Awards are India's highest civilian honours after the Bharat Ratna. They are categorized into three ranks: Padma Shri (for distinguished service), Padma Bhushan (for distinguished service of a high order), and Padma Vibhushan (for exceptional and distinguished service), in ascending order of prestige.

Answer

B. Padma Bhushan, Padma Shri, Padma Vibhushan

Answer

C. Padma Vibhushan, Padma Bhushan, Padma Shri

Answer

D. Padma Shri, Padma Vibhushan, Padma Bhushan

Question 6

Which is the hardest mineral?‌​‍

Accepted Answer

Diamond — Diamond = 10 on Mohs scale (hardest). Corundum = 9. Topaz = 8.‌​‍

Answer

Quartz

Answer

Topaz

Answer

Corundum

Question 7

Heaviest planet:‌​‍

Accepted Answer

Jupiter — Jupiter.‌​‍

Answer

Saturn

Answer

Earth

Answer

Neptune

Question 8

Which lens is used in a simple camera?

Accepted Answer

Convex (converging) — Camera uses convex lens to form real inverted image on the film/sensor.

Answer

Concave

Answer

Cylindrical

Answer

Plain glass

Question 9

A high school student consistently puts in extra effort in their science fair project, not because they expect a prize, but because they are genuinely fascinated by the scientific process and enjoy the challenge of experimentation. Their motivation is primarily:

Accepted Answer

C. Intrinsic, driven by personal interest and enjoyment. — The correct answer is C. The student's engagement stems from genuine fascination and enjoyment of the process, which are hallmarks of intrinsic motivation. Options A, B, and D all describe forms of extrinsic motivation, where the drive comes from external factors or internal pressures related to external outcomes, not from the inherent pleasure of the activity itself.

Answer

A. Extrinsic, as success in the fair could lead to recognition.

Answer

B. Identified regulation, a form of extrinsic motivation.

Answer

D. Introjected regulation, driven by guilt or obligation.

Question 10

India's first Soil Museum in Kerala is located at:

Accepted Answer

Parottukonam — Parottukonam, Thiruvananthapuram — India's first Soil Museum.

Answer

Kottamukku

Answer

Ettumanoor

Answer

Chempukavu

DCOA Mixed Practice Test #681