DCOA Mixed Practice Test #197

Question 1

A new educational policy in Kerala emphasizes a competency-based learning approach for elementary education. Which state-level body is primarily responsible for translating this policy into a revised curriculum, developing new textbooks, and conducting in-service training for teachers on the new pedagogical methods?

Accepted Answer

B. State Council of Educational Research and Training (SCERT) — SCERT is the apex academic body at the state level, responsible for curriculum development, syllabus design, textbook preparation, and conducting teacher training programs (both pre-service and in-service) to implement educational policies. DPI focuses on administrative control, SSA on elementary education universalization and infrastructure, while KSHEC deals with higher education.

Answer

A. Directorate of Public Instruction (DPI)

Answer

C. Sarva Shiksha Abhiyan (SSA)

Answer

D. Kerala State Higher Education Council (KSHEC)

Question 2

Which is the least populated district of Kerala?‌​‍

Accepted Answer

Wayanad — Wayanad is the least populated district of Kerala with about 8.17 lakh people (Census 2011).‌​‍

Answer

Idukki

Answer

Kasaragod

Answer

Pathanamthitta

Question 3

Gulf Cooperation Council members:‌​‍

Accepted Answer

6 — Saudi, UAE, Qatar, Oman, Kuwait, Bahrain.‌​‍

Answer

5

Answer

10

Answer

8

Question 4

Which element is common to all organic compounds?

Accepted Answer

Carbon — Carbon is the essential element in all organic compounds. The branch of chemistry dealing with carbon compounds is Organic Chemistry.

Answer

Oxygen

Answer

Nitrogen

Answer

Hydrogen

Question 5

Portuguese arrived Kerala:‌​‍

Accepted Answer

1498 — Vasco da Gama 1498 Kappad.‌​‍

Answer

1510

Answer

1600

Answer

1500

Question 6

Bones get strength from:‌​‍

Accepted Answer

Calcium phosphate — Hydroxyapatite crystals.‌​‍

Answer

Silica

Answer

Magnesium

Answer

Iron

Question 7

The RPwD Act, 2016, emphasizes the principle of 'reasonable accommodation' in various settings, including employment. Which of the following best describes the application of 'reasonable accommodation' for an employee with a disability in a workplace?

Accepted Answer

B. Making necessary and appropriate modifications and adjustments to ensure enjoyment of rights on an equal basis with others. — 'Reasonable accommodation' under the RPwD Act, 2016, involves making necessary and appropriate modifications and adjustments to ensure persons with disabilities can enjoy their rights on an equal basis with others, without imposing undue burden. This allows for effective participation in the workplace, unlike options A, C, and D which describe segregation, unwarranted exemptions, or blanket provisions.

Answer

A. Providing a separate, less demanding job role exclusively for employees with disabilities.

Answer

C. Exempting employees with disabilities from all performance appraisals and productivity targets.

Answer

D. Granting extended leave periods for all employees with disabilities irrespective of need.

Question 8

The EMF of a standard Daniell cell is approximately:‌​‍

Accepted Answer

1.1 V — E° of Daniell cell = E°(Cu²⁺/Cu) − E°(Zn²⁺/Zn) = 0.34 − (−0.76) = +1.10 V.‌​‍

Answer

3.0 V

Answer

0.5 V

Answer

2.0 V

Question 9

The synthesis of aspirin (acetylsalicylic acid) typically involves the acetylation of salicylic acid. Which reagent is commonly used for this acetylation reaction?

Accepted Answer

C. Acetic anhydride — Aspirin is synthesized by the esterification of the phenolic hydroxyl group of salicylic acid. Acetic anhydride is the preferred acetylating agent for this reaction, reacting with salicylic acid to form acetylsalicylic acid and acetic acid as a byproduct. Concentrated sulfuric acid is a catalyst, and sodium hydroxide and ethanol are not suitable acetylating agents for this purpose.

Answer

A. Concentrated sulfuric acid

Answer

B. Sodium hydroxide

Answer

D. Ethanol

Question 10

Which vitamin is called 'Sunshine Vitamin'?‌​‍

Accepted Answer

Vitamin D — Vitamin D is synthesised in skin exposed to sunlight.‌​‍

Answer

Vitamin A

Answer

Vitamin B

Answer

Vitamin C

DCOA Mixed Practice Test #197