DCOA Mixed Practice Test #446

Question 1

Kudumbashree was launched at ___ by Prime Minister ___‌​‍

Accepted Answer

Malappuram, A.B. Vajpayee — Inaugurated at Malappuram by PM A.B. Vajpayee on 17 May 1998.‌​‍

Answer

Thiruvananthapuram, Rajiv Gandhi

Answer

Thrissur, Indira Gandhi

Answer

Ernakulam, Narasimha Rao

Question 2

Which date is observed as 'National Education Day' in India to commemorate the birth anniversary of Maulana Abul Kalam Azad?

Accepted Answer

A. November 11 — National Education Day is observed on November 11 to honor Maulana Abul Kalam Azad, India's first Education Minister, who played a pivotal role in shaping the country's education system. The other dates correspond to different national observances (Children's Day on November 14, Gandhi Jayanti on October 2, and Christmas on December 25).

Answer

B. November 14

Answer

C. October 2

Answer

D. December 25

Question 3

'A bolt from the blue' means:

Accepted Answer

A sudden shock — Something completely unexpected.

Answer

Lightning

Answer

Blue sky

Answer

Thunder

Question 4

Linux was created by:‌​‍

Accepted Answer

Linus Torvalds — Linus Torvalds created Linux in 1991. ‌​‍It is an open-source operating system. Android is based on the Linux kernel.

Answer

Steve Wozniak

Answer

Dennis Ritchie

Answer

James Gosling

Question 5

A group of 17-year-olds decides to try a dangerous stunt they saw online, despite knowing the potential risks. When questioned, they downplay the dangers and focus on the thrill. This tendency among adolescents to engage in risky behaviors, often underestimating negative consequences and overestimating immediate rewards, can be partly attributed to the ongoing development of which brain region?

Accepted Answer

C. Prefrontal cortex — The prefrontal cortex, responsible for executive functions like planning, impulse control, risk assessment, and decision-making, continues to mature throughout adolescence and into early adulthood. Its incomplete development during the teenage years can lead to a greater propensity for risk-taking and a less developed ability to weigh long-term consequences against immediate gratification.

Answer

A. Cerebellum

Answer

B. Brainstem

Answer

D. Amygdala

Question 6

Hypothalamus:‌​‍

Accepted Answer

Homeostasis, hormones — Links nervous + endocrine systems.‌​‍

Answer

Respiration

Answer

Vision

Answer

Digestion

Question 7

Total rivers:‌​‍

Accepted Answer

44 — 44 rivers (41 west, 3 east).‌​‍

Answer

34

Answer

38

Answer

50

Question 8

The white fibrous tissue connecting bone to bone is:‌​‍

Accepted Answer

Ligament — Ligaments connect bones; tendons connect muscle to bone.‌​‍

Answer

Cartilage

Answer

Tendon

Answer

Fascia

Question 9

Which district of Kerala has the highest population density?

Accepted Answer

Alappuzha — Alappuzha has the highest population density in Kerala at about 1,501 per sq km.

Answer

Ernakulam

Answer

Thiruvananthapuram

Answer

Thrissur

Question 10

Computers use the ___ number system to store data and perform calculations.

Accepted Answer

Binary — Computers operate on binary (0s and 1s) at the hardware level.

Answer

Decimal

Answer

Octal

Answer

Hexadecimal

DCOA Mixed Practice Test #446