DCOA Mixed Practice Test #218

Question 1

Chandrayaan-3 achieved a soft landing near the Moon's south pole in:

Accepted Answer

2023 — Chandrayaan-3 soft-landed on 23 August 2023 — India became 4th country to soft-land on the Moon.

Answer

2019

Answer

2021

Answer

2024

Question 2

Kerala's Human Development Index:

Accepted Answer

Highest in India — HDI leader India.

Answer

5th

Answer

10th

Answer

Middle

Question 3

Dark spot at centre of Newton's rings (reflected light) is due to:‌​‍

Accepted Answer

Destructive interference (π phase on denser medium reflection) — Not in XI SCERT. ‌​‍At point of contact, path difference ≈ 0 but π phase change on glass reflection causes destructive interference.

Answer

Constructive

Answer

Dispersion

Answer

Diffraction

Question 4

India's nuclear triad became fully operational around:‌​‍

Accepted Answer

2016-2018 (INS Arihant operational) — Triad = land + air + sea launch. ‌​‍INS Arihant SSBN operational 2016; deterrence patrol 2018 completed triad.

Answer

1998

Answer

2010

Answer

2024

Question 5

In a patient with suspected acute pancreatitis, which of the following biochemical markers is most specific for confirming the diagnosis?

Accepted Answer

B. Serum lipase — Serum lipase is more specific than amylase for acute pancreatitis as it remains elevated longer and is less affected by other conditions like salivary gland disorders. Amylase can be elevated in other abdominal pathologies, while LDH and ALP are non-specific markers.

Answer

A. Serum amylase

Answer

C. Serum lactate dehydrogenase (LDH)

Answer

D. Serum alkaline phosphatase (ALP)

Question 6

Both NCF 2005 and NEP 2020 advocate for significant reforms in assessment practices. Which of the following is a common emphasis in their recommendations regarding student evaluation?

Accepted Answer

B. Integrating continuous and comprehensive evaluation (CCE) with a focus on holistic development. — The correct answer is B. Both NCF 2005 (through Continuous and Comprehensive Evaluation - CCE) and NEP 2020 advocate for holistic, continuous, and formative assessments that go beyond rote memorization and evaluate a child's all-round development. Options A and C promote high-stakes, summative testing which both policies aim to reduce, while Option D suggests an unrealistic and narrow shift in assessment modalities.

Answer

A. Moving towards purely summative assessments to ensure accountability.

Answer

C. Prioritizing high-stakes board examinations for all grades.

Answer

D. Shifting the focus entirely from written exams to oral assessments.

Question 7

Who wrote the book 'A Vindication of the Rights of Woman'?

Accepted Answer

Mary Wollstonecraft — Mary Wollstonecraft published it in 1792.

Answer

Betty Friedan

Answer

Ruth Bader Ginsburg

Answer

Henriette Dessaulles Casgrain

Question 8

The Italian city that served as the major centre of the Renaissance was:

Accepted Answer

Florence — Florence — wealthy through trade and banking, patronised by the Medici.

Answer

Rome

Answer

Venice

Answer

Naples

Question 9

During the COVID-19 pandemic, the Kerala Education Department launched the 'FIRST BELL' digital classes. What was its primary mode of delivery to ensure maximum reach among students?

Accepted Answer

B. Primarily via Victers Channel through television and online streaming. — The 'FIRST BELL' digital classes, a crucial initiative by KITE (Kerala Infrastructure and Technology for Education), primarily utilized the Victers educational channel for telecasting lessons through television. This method ensured accessibility to a vast majority of students, including those with limited or no internet access. While online streaming and other digital platforms complemented this, television broadcast was the core delivery mechanism for mass outreach.

Answer

A. Exclusively through dedicated mobile applications requiring high-speed internet.

Answer

C. Distribution of pre-recorded DVD lessons to students' homes.

Answer

D. Live interactive sessions conducted daily by teachers using video conferencing platforms.

Question 10

Hemis NP:

Accepted Answer

Ladakh (snow leopard) — Ladakh.

Answer

HP

Answer

Sikkim

Answer

UK

DCOA Mixed Practice Test #218