DCOA Mixed Practice Test #143

Question 1

The blood group known as the 'Universal Donor' is:‌​‍

Accepted Answer

O — O group is the universal donor because it has no A or B antigens, so it can be given to any blood group.‌​‍

Answer

A

Answer

B

Answer

AB

Question 2

Sree Narayana Guru's iconic message, "One Caste, One Religion, One God for Man" (ഒരു ജാതി, ഒരു മതം, ഒരു ദൈവം മനുഷ്യന്), was a cornerstone of socio-religious reform in Kerala. Beyond its direct advocacy for social equality, what was its most profound transformative impact on the marginalized communities?

Accepted Answer

C. It instilled a sense of universal spiritual identity and self-respect, empowering marginalized groups to challenge traditional hierarchies and recognize their inherent human dignity. — Sree Narayana Guru's message went beyond mere ritualistic equality; it fostered a deep sense of universal spiritual identity and humanism among the oppressed. By asserting that all humans share one caste, religion, and God, he empowered marginalized communities to reclaim their self-dignity and fundamentally challenge the legitimacy of the caste system. Options A, B, and D misrepresent the comprehensive nature of his philosophy or its primary method of impact.

Answer

A. It primarily led to the establishment of separate educational institutions for each caste, fostering distinct cultural identities.

Answer

B. It encouraged a complete rejection of all traditional religious practices, promoting an agnostic worldview among his followers.

Answer

D. It advocated for the creation of a new, unified political party based on shared religious beliefs, aiming to gain legislative power.

Question 3

Which of the following is a primary characteristic of summative assessment?

Accepted Answer

B. It is used to certify learning and assign grades at the end of a course. — Summative assessment's main purpose is to evaluate student learning at the end of an instructional unit or course by comparing it against a standard or benchmark, often leading to certification or grading. Options A and D describe formative assessment, which focuses on ongoing feedback and process improvement, while option C describes diagnostic assessment, used to identify prior knowledge or specific learning difficulties.

Answer

A. It provides ongoing feedback for instructional adjustments.

Answer

C. It helps identify specific learning difficulties at the beginning of a unit.

Answer

D. It focuses on improving the learning process during instruction.

Question 4

Berlin Blockade (1948-49) was broken by:

Accepted Answer

Berlin Airlift (US, UK, France flew supplies for 11 months) — USSR blockaded West Berlin (June 1948). Western Allies airlifted 2.3 million tons of supplies. Blockade lifted May 1949.

Answer

Military invasion

Answer

Soviet retreat

Answer

Diplomatic negotiation

Question 5

Mukesh Ambani chairman:‌​‍

Accepted Answer

Reliance Industries — RIL chairman.‌​‍

Answer

Tata

Answer

Birla

Answer

Adani

Question 6

Antarctic stations of India:

Accepted Answer

All three (Dakshin Gangotri inactive) — Maitri, Bharati active; Dakshin Gangotri abandoned.

Answer

Maitri, Bharati

Answer

Only Maitri

Answer

Dakshin Gangotri

Question 7

Focal length of a spherical mirror is related to radius of curvature R as:‌​‍

Accepted Answer

f = R/2 — For concave/convex mirrors, focal length is half the radius of curvature.‌​‍

Answer

f = 2R

Answer

f = R²

Answer

f = R

Question 8

Ashtamudi Lake called:‌​‍

Accepted Answer

Gateway to Backwaters — Kollam. 8-armed lake.‌​‍

Answer

Largest freshwater

Answer

Longest lake

Answer

Venice of East

Question 9

'Origin of Species' was written by:‌​‍

Accepted Answer

Charles Darwin — Charles Darwin wrote Origin of Species (1859), proposing the theory of evolution by natural selection.‌​‍

Answer

Newton

Answer

Einstein

Answer

Mendel

Question 10

Which vitamin is water-soluble?‌​‍

Accepted Answer

Vitamin C — B and C are water-soluble. A, D, E, K are fat-soluble.‌​‍

Answer

Vitamin A

Answer

Vitamin D

Answer

Vitamin K

DCOA Mixed Practice Test #143