DCOA Mixed Practice Test #239

Question 1

Kerala Technological University:

Accepted Answer

KTU (Thiruvananthapuram HQ) — APJ Abdul Kalam Technological University.

Answer

Kochi

Answer

Kozhikode

Answer

Kollam

Question 2

Which of the following is a key feature of the 'Keralam-Malayalam University' initiative under the Kerala Education Policy 2022?

Accepted Answer

B. Promoting Malayalam language and literature through higher education — The Kerala Education Policy 2022 proposes a 'Keralam-Malayalam University' to promote the Malayalam language and literature. It does not involve merging universities (A), distributing laptops (C), or focusing solely on medical education (D).

Answer

A. Merging all universities in Kerala into one

Answer

C. Providing free laptops to all college students in Kerala

Answer

D. Establishing international standard medical colleges

Question 3

Which acid is found in the stomach?‌​‍

Accepted Answer

Hydrochloric acid — The stomach contains HCl (Hydrochloric acid) for protein digestion.‌​‍

Answer

Sulphuric acid

Answer

Nitric acid

Answer

Acetic acid

Question 4

Where did Mahavira die (attain Nirvana)?‌​‍

Accepted Answer

Pavapuri (c. 527 BCE) — Mahavira died at Pavapuri (Bihar) ~527 BCE. Pavapuri is major Jain pilgrimage site.

Answer

Kushinagar

Answer

Sarnath

Answer

Bodh Gaya

Question 5

Efficiency of a Carnot engine with sink at 300 K and source at 400 K:‌​‍

Accepted Answer

25% — η = 1 − T_sink/T_source = 1 − 300/400 = 0.25 → 25%.‌​‍

Answer

50%

Answer

75%

Answer

80%

Question 6

The power consumed by an appliance is measured in:‌​‍

Accepted Answer

Watt — Power (P) = V × I, measured in Watts. 1 unit of electricity = 1 kWh.‌​‍

Answer

Volt

Answer

Ampere

Answer

Ohm

Question 7

Which of the following statements best describes a defining characteristic of action research when applied in a classroom setting, distinguishing it from traditional academic research?

Accepted Answer

C. It is an iterative, cyclical process focused on solving immediate, practical problems within the researcher's own context. — Action research is characterized by its iterative and cyclical nature, involving continuous cycles of planning, acting, observing, and reflecting. Its primary purpose is to address and improve specific, practical problems within the researcher's immediate environment (e.g., a classroom), rather than seeking broad generalizations or being conducted by external experts. It often employs a mix of qualitative and quantitative methods, not exclusively quantitative ones.

Answer

A. It primarily aims to generalize findings to a larger population of schools and students.

Answer

B. It is typically conducted by external researchers with minimal involvement from the classroom teacher.

Answer

D. It relies exclusively on quantitative data collection methods to ensure statistical validity.

Question 8

Translation is the process of:‌​‍

Accepted Answer

Synthesis of protein from mRNA at ribosome — Translation decodes mRNA codons into amino acid sequences at ribosomes.‌​‍

Answer

DNA replication

Answer

Mutation

Answer

Synthesis of mRNA

Question 9

Which Kerala national park has the largest population of lion-tailed macaques?‌​‍

Accepted Answer

Silent Valley — Silent Valley NP in Palakkad shelters the largest lion-tailed macaque population.‌​‍

Answer

Mathikettan Shola

Answer

Eravikulam

Answer

Anamudi Shola

Question 10

Which planet is known as the 'Red Planet'?‌​‍

Accepted Answer

Mars — Mars is called the Red Planet due to the iron oxide (rust) on its surface that gives it a reddish appearance.‌​‍

Answer

Venus

Answer

Saturn

Answer

Jupiter

DCOA Mixed Practice Test #239