DCOA Mixed Practice Test #644

Question 1

Which is the first Eco-Tourism Centre in India?‌​‍

Accepted Answer

Thenmala — Thenmala in Kollam — India's first planned ecotourism destination.

Answer

Thattekkad

Answer

Pampadumpara

Answer

Odakkali

Question 2

Pinaka is:‌​‍

Accepted Answer

Multi-barrel rocket launcher — DRDO Pinaka MBRL.‌​‍

Answer

Tank

Answer

Missile

Answer

Aircraft

Question 3

A 6-month-old infant presents with a fever of 39°C. According to IMNCI guidelines, which of the following is considered a "general danger sign" associated with fever that requires immediate referral?

Accepted Answer

C. Not able to drink or breastfeed — According to IMNCI guidelines, 'not able to drink or breastfeed' is a critical general danger sign, indicating severe illness and requiring urgent medical attention and referral. Running nose, red throat, and mild cough are common symptoms but are not classified as general danger signs that necessitate immediate referral on their own.

Answer

A. Running nose

Answer

B. Red throat

Answer

D. Mild cough

Question 4

First Indian Antarctic expedition:

Accepted Answer

1981 — 1981 under S.Z. Qasim.

Answer

1985

Answer

1990

Answer

1970

Question 5

Which of the following is a COMMON cause of chemical instability in liquid oral dosage forms?

Accepted Answer

B. Hydrolysis — Hydrolysis is a common cause of chemical instability in liquid oral dosage forms, leading to drug degradation. Exposure to light (A) primarily causes photolysis, which is a different type of instability. Microbial contamination (C) is a physical issue, and poor packaging (D) is not a direct cause of chemical instability.

Answer

A. Exposure to light

Answer

C. Microbial contamination

Answer

D. Poor packaging material

Question 6

The Deccan Riots (1875) targeted:‌​‍

Accepted Answer

Moneylenders (sahukars) in Maharashtra's Poona, Ahmadnagar districts — Ryots burnt debt bonds (bahi-khata). ‌​‍Triggered by falling cotton prices after US Civil War boom ended. Led to Deccan Agriculturists' Relief Act 1879.

Answer

British officials

Answer

Zamindars

Answer

Traders

Question 7

Which Kerala leader is known as 'Bharathiya Vidyabhavan' founder?

Accepted Answer

K.M. Munshi — K.M. Munshi (Kanhaiyalal Maneklal Munshi) founded Bharatiya Vidya Bhavan in 1938. He was also a member of the Constituent Assembly.

Answer

V.K. Krishna Menon

Answer

E.M.S. Namboodiripad

Answer

K. Karunakaran

Question 8

An adolescent often changes their style of dress, music preferences, and even future career aspirations based on the opinions and trends of their peer group. This behavior primarily reflects their struggle with:

Accepted Answer

C. Forming a stable personal identity — Adolescence is a crucial period for identity formation (Erikson's Identity vs. Role Confusion). Peer influence is significant as adolescents explore different roles and values to establish who they are, often leading to fluctuations in preferences. The other options relate to much earlier developmental stages or different psychological concepts.

Answer

A. Developing object permanence

Answer

B. Mastering conservation tasks

Answer

D. Overcoming stranger anxiety

Question 9

Swathi Thirunal ruled:

Accepted Answer

Travancore — Musician king of Travancore (1829-46).

Answer

Cochin

Answer

Malabar

Answer

Kochi

Question 10

During skeletal muscle contraction, which of the following events directly leads to the shortening of the muscle fiber?

Accepted Answer

B. Formation of cross-bridges between actin and myosin filaments. — The direct event that causes the shortening of a muscle fiber is the formation of cross-bridges between the myosin heads and actin filaments, followed by the 'power stroke' where myosin pulls the actin filaments towards the center of the sarcomere. Calcium release initiates this process, and ATP hydrolysis provides the energy for the power stroke and detachment, but cross-bridge formation and subsequent pulling are the direct cause of muscle shortening.

Answer

A. Release of calcium ions from the sarcoplasmic reticulum.

Answer

C. Hydrolysis of ATP by myosin heads.

Answer

D. Detachment of myosin heads from actin.

DCOA Mixed Practice Test #644