DCOA Mixed Practice Test #12

Question 1

The word 'literally' means:

Accepted Answer

In a literal (exact) sense — 'Literally' means actually/exactly, contrasted with figuratively.

Answer

Figuratively

Answer

Loosely

Answer

Approximately

Question 2

Which of the following is a key function of a Primary Health Centre (PHC) under the Kerala Health Services?

Accepted Answer

B. Providing emergency obstetric care and referral services — PHCs are designed to provide primary care, including emergency obstetric care and referral services for complications. They do not handle advanced surgeries (A), tertiary care (C), or industrial health programmes (D), which are roles of higher-level facilities or specialized agencies.

Answer

A. Conducting advanced surgical procedures

Answer

C. Managing tertiary care for chronic diseases

Answer

D. Implementing large-scale industrial health programmes

Question 3

Avogadro's law states equal volumes of gases at same T and P contain:

Accepted Answer

Equal number of molecules — Avogadro's 1811 hypothesis: same volume, same T, same P → same number of molecules.

Answer

Same mass

Answer

Same density

Answer

Same weight

Question 4

A newborn infant receives antibodies from its mother through breast milk. This type of immunity is best described as:

Accepted Answer

C. Naturally acquired passive immunity. — Naturally acquired passive immunity occurs when antibodies are transferred from one individual to another without stimulating an immune response in the recipient, such as a mother passing antibodies to her child through breast milk or across the placenta. Active immunity involves the individual's own immune system producing antibodies.

Answer

A. Naturally acquired active immunity.

Answer

B. Artificially acquired active immunity.

Answer

D. Artificially acquired passive immunity.

Question 5

Adhyatma Ramayanam Kilippattu by:

Accepted Answer

Ezhuthachan — Ezhuthachan's Adhyatma Ramayanam in kilippattu form.

Answer

Cherusseri

Answer

Kunchan Nambiar

Answer

Asan

Question 6

Which Kerala district has the highest female literacy?‌​‍

Accepted Answer

Pathanamthitta — Pathanamthitta has the highest female literacy rate in Kerala.‌​‍

Answer

Kottayam

Answer

Ernakulam

Answer

Thrissur

Question 7

Hydrogen bonding occurs when H is bonded to which highly electronegative atoms?‌​‍

Accepted Answer

F, O, N — H bonded to F/O/N shows strong H-bonding (explains water's high b.p.).‌​‍

Answer

C, Si, P

Answer

Cl, Br, I

Answer

Na, K, Mg

Question 8

Largest cell in human body:‌​‍

Accepted Answer

Ovum (egg cell) — Ovum is the largest cell (~0.1 mm).‌​‍

Answer

WBC

Answer

Nerve cell

Answer

RBC

Question 9

'Nandanar' is the pen name of:‌​‍

Accepted Answer

P.C. Gopalan — Malayalam writer P.C. Gopalan wrote under the pen-name 'Nandanar'.‌​‍

Answer

C. Govinda Pisharady

Answer

P.C. Kuttikrishnan

Answer

R. Ramachandran Nair

Question 10

Which of the following is a physical change?‌​‍

Accepted Answer

Melting of ice — Melting is a physical change (no new substance formed).‌​‍

Answer

Burning of paper

Answer

Rusting of iron

Answer

Curdling of milk

DCOA Mixed Practice Test #12