DCOA Mixed Practice Test #797

Question 1

Vitamins absorbed:

Accepted Answer

Small intestine — Small intestine primarily.

Answer

Stomach

Answer

Mouth

Answer

Colon

Question 2

The socio-religious reform movements in Kerala played a crucial role in challenging patriarchal norms and enhancing women's status. Among the following initiatives, which one stands out as having the most transformative and long-term impact on empowering women across different communities?

Accepted Answer

C. Establishing and promoting educational institutions specifically for girls and advocating for their universal schooling. — Promoting universal access to education for girls was the most transformative step, as education is fundamental to women's autonomy, economic independence, and ability to challenge traditional patriarchal structures. While campaigning against specific social evils (like 'Marumakkathayam' which was specific to certain communities) or advocating for political participation were important, these often followed or were enabled by a foundational shift in women's educational opportunities. Encouraging leadership within reform organizations, though valuable, did not have the broad, systemic impact on

Answer

A. The active campaigning against social evils like 'Marumakkathayam' and 'Sambandham' in certain communities.

Answer

B. Advocating for the right of women to participate in public discourse and political assemblies.

Answer

D. Encouraging women's leadership roles within the reform organizations themselves.

Question 3

What is the primary role of citric acid in effervescent tablets?

Accepted Answer

B. To provide effervescence and improve solubility — Citric acid reacts with sodium bicarbonate in the presence of water to produce carbon dioxide, which causes effervescence and aids in the rapid disintegration and dissolution of the tablet. It does not primarily act as a disintegrant, binder, or stability enhancer.

Answer

A. To act as a disintegrant

Answer

C. To enhance drug stability

Answer

D. To act as a binder

Question 4

The civil rights movement in USA was led by:‌​‍

Accepted Answer

Martin Luther King Jr. — MLK Jr. ‌​‍— non-violent activist, 'I Have a Dream' speech 1963. Nobel Peace Prize 1964. ‌​‍Assassinated 1968. Civil Rights Act 1964, Voting Rights Act 1965 passed under LBJ.

Answer

Obama

Answer

Lincoln

Answer

Malcolm X only

Question 5

In a Laminar Airflow Workbench (LAFW), what is the primary function of the High-Efficiency Particulate Air (HEPA) filter?

Accepted Answer

C. To provide a continuous flow of air free from 0.3 micron particles, including bacteria and spores. — The HEPA filter is crucial for achieving an aseptic environment by trapping 99.97% of airborne particles 0.3 micrometers or larger, which effectively removes bacteria and fungal spores. This ensures that the air reaching the critical compounding area is essentially particulate and microbial-free. Large dust particles are typically removed by pre-filters, and negative pressure is characteristic of Biological Safety Cabinets for hazardous drugs, not the primary function of a HEPA filter in an LAFW.

Answer

A. To regulate the temperature inside the workbench.

Answer

B. To remove large dust particles from the incoming air.

Answer

D. To create a negative pressure environment for hazardous drug compounding.

Question 6

Nixon-Mao meeting (1972) marked:‌​‍

Accepted Answer

US-China diplomatic opening — President Nixon visited China Feb 1972 — historic opening. ‌​‍Shanghai Communiqué. US recognised PRC officially 1979 (Carter).

Answer

USSR-China alliance

Answer

Vietnam peace

Answer

Cuban crisis

Question 7

Baby horse:‌​‍

Accepted Answer

Foal — Foal.‌​‍

Answer

Calf

Answer

Kid

Answer

Cub

Question 8

Heart beats per minute:‌​‍

Accepted Answer

72 — 72 beats/min (normal adult resting).‌​‍

Answer

50

Answer

100

Answer

120

Question 9

Which vitamin serves as a precursor for the coenzyme NAD+ (Nicotinamide Adenine Dinucleotide)?

Accepted Answer

C. Vitamin B3 (Niacin) — Niacin, also known as Vitamin B3, is a crucial precursor for the synthesis of nicotinamide adenine dinucleotide (NAD+) and nicotinamide adenine dinucleotide phosphate (NADP+). These coenzymes are vital in numerous metabolic redox reactions, particularly in cellular respiration. The other B vitamins are precursors to different coenzymes.

Answer

A. Vitamin B1 (Thiamine)

Answer

B. Vitamin B2 (Riboflavin)

Answer

D. Vitamin B6 (Pyridoxine)

Question 10

Fertilisation in angiosperms: primary endosperm nucleus (PEN) is:‌​‍

Accepted Answer

Triploid (3n) — fuses 2 polar + 1 sperm — Other sperm + egg → zygote (2n). ‌​‍Endosperm nourishes embryo. Unique double fertilization.

Answer

Tetraploid

Answer

Haploid

Answer

Diploid

DCOA Mixed Practice Test #797