DCOA Mixed Practice Test #246

Question 1

Kerala coastline divided into:

Accepted Answer

3 — sand coast, cliff coast, backwater — Three types.

Answer

2

Answer

1

Answer

Varies

Question 2

Which sequence correctly represents the core cycle of microteaching after the initial planning phase?

Accepted Answer

B. Teach - Feedback - Re-plan - Re-teach — The microteaching cycle is a continuous process of practice and refinement. After teaching, immediate feedback is crucial for identifying areas of improvement, which then informs the re-planning phase before the lesson is re-taught to implement the changes effectively. Options A, C, and D present incorrect sequences of this iterative process.

Answer

A. Teach - Re-teach - Feedback - Re-plan

Answer

C. Feedback - Teach - Re-plan - Re-teach

Answer

D. Re-plan - Teach - Feedback - Re-teach

Question 3

The cerebellum is responsible for:‌​‍

Accepted Answer

Balance and coordination — Cerebellum fine-tunes voluntary movement and maintains balance.‌​‍

Answer

Hearing

Answer

Memory

Answer

Thinking

Question 4

World Health Day is observed on:‌​‍

Accepted Answer

7 April — WHO founding day — 7 April celebrated as World Health Day.‌​‍

Answer

1 May

Answer

10 December

Answer

5 June

Question 5

A stunted child has a height-for-age Z-score at least how many SD below median on the WHO growth chart?

Accepted Answer

2 — Stunting = height-for-age Z-score ≤ −2 SD below the WHO median.

Answer

5

Answer

3

Answer

1

Question 6

The Gini Coefficient in Kerala has shown a rising trend in recent years. What does this trend primarily indicate about the state's economic situation?

Accepted Answer

B. An increase in income inequality, where the gap between the richest and poorest is widening — A rising Gini Coefficient indicates increasing income inequality (Option B), as it measures the disparity in income distribution within a population. It does not necessarily imply a decrease in absolute poverty (Option A), which would require separate indicators like the poverty headcount ratio. It also does not directly measure public expenditure (Option C) or economic sector shifts (Option D), though these factors may contribute to inequality.

Answer

A. A decrease in absolute poverty levels across all income groups

Answer

C. A reduction in public expenditure on welfare schemes like PDS and MGNREGS

Answer

D. A shift in economic growth from agriculture to high-productivity industries only benefiting urban areas

Question 7

Hund's rule of maximum multiplicity:

Accepted Answer

Electrons singly fill degenerate orbitals first, with parallel spin — Minimises electron-electron repulsion; maximises exchange energy.

Answer

Pair in same orbital first

Answer

Fill higher energy first

Answer

Only s fills

Question 8

The hardest substance in the human body is:‌​‍

Accepted Answer

Enamel — Tooth enamel (mostly hydroxyapatite) is harder than bone.‌​‍

Answer

Dentine

Answer

Bone

Answer

Cartilage

Question 9

LED stands for:‌​‍

Accepted Answer

Light Emitting Diode — LED = Light Emitting Diode. Energy-efficient lighting technology.‌​‍

Answer

Light Emitting Device

Answer

Laser Emitting Diode

Answer

Low Energy Display

Question 10

The Temple Entry Proclamation was drafted by:‌​‍

Accepted Answer

Sir C.P. Ramaswami Iyer — Dewan Sir C.P. ‌​‍Ramaswami Iyer drafted the Temple Entry Proclamation issued by Sri Chithira Thirunal on 12 Nov 1936.

Answer

Maharaja himself

Answer

Mahatma Gandhi

Answer

T.K. Madhavan

DCOA Mixed Practice Test #246