DCOA Mixed Practice Test #580

Question 1

Odd one: Rose, Lily, Teak, Jasmine‌​‍

Accepted Answer

Teak — Teak is a tree. Others are flowers.‌​‍

Answer

Rose

Answer

Lily

Answer

Jasmine

Question 2

Sandakphu:

Accepted Answer

Highest Darjeeling — Highest peak in West Bengal (Darjeeling).

Answer

Ooty

Answer

Munnar

Answer

Sikkim

Question 3

Which of the following scenarios best illustrates intrinsic motivation in a learning environment?

Accepted Answer

C. A student practices solving mathematical problems because they find the process satisfying and enjoy the challenge. — Intrinsic motivation arises from internal satisfaction rather than external rewards. Option C reflects this as the student engages in the activity purely for the joy and personal fulfillment it provides, unlike options A, B, and D, which rely on external incentives.

Answer

A. A student studies hard to earn a scholarship for higher education.

Answer

B. A teacher rewards students with extra marks for completing assignments on time.

Answer

D. A school conducts a quiz competition with prizes for top performers.

Question 4

Conservation of energy for spring: ½kx²:‌​‍

Accepted Answer

Elastic potential energy — U = ½kx² in spring extended/compressed by x. Hooke's law: F = -kx.‌​‍

Answer

Heat

Answer

Work

Answer

Kinetic energy

Question 5

Under the National Health Mission (NHM), an Accredited Social Health Activist (ASHA) plays a crucial role at the village level. Which of the following is a primary function of an ASHA?

Accepted Answer

C. Mobilizing the community for health awareness and facilitating access to health services. — ASHA workers are community health volunteers who act as a bridge between the community and the health system. Their primary role involves community mobilization, health awareness generation, and facilitating access to various health services, especially for maternal and child health. Prescribing medicines, conducting surgeries, or managing district-level cold chain are beyond their scope of work.

Answer

A. Prescribing allopathic medicines for common ailments.

Answer

B. Conducting surgical procedures in primary health centers.

Answer

D. Managing the cold chain equipment at the district vaccine store.

Question 6

Kerala's caste composition:‌​‍

Accepted Answer

Diverse — Multiple communities.‌​‍

Answer

Homogeneous

Answer

Monolithic

Answer

Unknown

Question 7

Nylon is a:‌​‍

Accepted Answer

Synthetic polyamide polymer — Nylon (Wallace Carothers, 1935) is a synthetic polyamide — nylon-6, nylon-66.‌​‍

Answer

Mineral

Answer

Natural fibre

Answer

Natural polyester

Question 8

The Western Ghats and the Eastern Ghats are separated by a gap known as the Palghat Gap. This gap is significant for which of the following reasons?

Accepted Answer

C. It is one of the major passes used for trade and transport between Kerala and Tamil Nadu. — The Palghat Gap is a low mountain pass that allows for the movement of wildlife, especially elephants, between the Western and Eastern Ghats. It is not a monsoon entry point, nor is it a major trade route like the mountain passes (e.g., Khyber Pass), and it does not mark the boundary between the Deccan Plateau and the Northern Plains.

Answer

A. It is the only region where the monsoon winds enter India.

Answer

B. It facilitates the movement of wildlife between the Western and Eastern Ghats.

Answer

D. It marks the boundary between the Deccan Plateau and the Northern Plains.

Question 9

A mother brings her 9-month-old infant to the well-baby clinic for routine immunization. The infant has not received any previous vaccinations. According to the national immunization schedule, which vaccine(s) should be administered to this infant immediately, considering the missed doses?

Accepted Answer

C. Measles vaccine (first dose) and Vitamin A supplement. — According to the national immunization schedule, the first dose of Measles vaccine is due at 9 months of age, along with a Vitamin A supplement. While catch-up for missed earlier doses would be initiated, the immediate and age-appropriate vaccine for a 9-month-old is Measles. Hepatitis B and BCG are typically given at birth or early infancy, and DTP/OPV boosters are usually given later.

Answer

A. Only Measles, Mumps, Rubella (MMR) vaccine.

Answer

B. Diphtheria, Tetanus, Pertussis (DTP) booster and Oral Polio Vaccine (OPV) booster.

Answer

D. Hepatitis B vaccine and BCG.

Question 10

The plant hormone that promotes fruit ripening is:

Accepted Answer

Ethylene — Ethylene is a gaseous plant hormone that triggers ripening.

Answer

Auxin

Answer

Cytokinin

Answer

Gibberellin

DCOA Mixed Practice Test #580