DCOA Mixed Practice Test #142

Question 1

Which disease is caused by the deficiency of Vitamin D?‌​‍

Accepted Answer

Rickets — Rickets (in children) and Osteomalacia (in adults) are caused by Vitamin D deficiency. ‌​‍Vitamin D is obtained from sunlight and helps in calcium absorption.

Answer

Scurvy

Answer

Beriberi

Answer

Night Blindness

Question 2

Anju Bobby George known for:‌​‍

Accepted Answer

Long jump — Long jump — bronze at 2003 World Athletics Championships.‌​‍

Answer

Triple jump

Answer

400m

Answer

High jump

Question 3

Which of the following statements about essential amino acids is correct regarding human nutrition?

Accepted Answer

B. They must be obtained from the diet as the body cannot synthesize them. — Essential amino acids are those that the human body cannot synthesize on its own and, therefore, must be acquired through dietary intake. They are crucial for protein synthesis and various metabolic functions throughout life, not just during growth. Non-essential amino acids can be synthesized in the body.

Answer

A. They can be synthesized by the body from other amino acids.

Answer

C. They are primarily used as an immediate energy source.

Answer

D. They are only required by infants and growing children.

Question 4

After a group of students completes an investigation and shares their observations, the teacher facilitates a class discussion. During this discussion, the teacher introduces scientific terminology, clarifies any misconceptions, and helps students formalize the concepts they discovered. Which stage of the 5E model does this scenario best represent?

Accepted Answer

C. Explain — The Explain stage is where the teacher guides students to formalize their understanding, introducing concepts, definitions, and theories based on their earlier explorations. It involves direct instruction, clarification of misconceptions, and helping students articulate what they have learned. Engage sparks interest, Explore involves hands-on investigation, and Evaluate assesses learning.

Answer

A. Engage

Answer

B. Explore

Answer

D. Evaluate

Question 5

The primary site for the absorption of digested nutrients (like glucose, amino acids, and fatty acids) into the bloodstream is the:

Accepted Answer

D. Small intestine — The small intestine, particularly the jejunum and ileum, is specifically adapted with villi and microvilli to maximize surface area for the absorption of most digested nutrients into the circulatory and lymphatic systems. The stomach primarily digests proteins, the large intestine absorbs water and electrolytes, and the esophagus is a transport tube.

Answer

A. Stomach

Answer

B. Large intestine

Answer

C. Esophagus

Question 6

Ramon Magsaysay Award is called:‌​‍

Accepted Answer

Nobel of Asia — Often called 'Nobel Prize of Asia'. Named after Philippine president.‌​‍

Answer

Oscar of Asia

Answer

Grammy of Asia

Answer

Pulitzer of Asia

Question 7

Ayushman Bharat Digital Mission:‌​‍

Accepted Answer

Health ID for all — ABHA digital health records.‌​‍

Answer

Only doctors

Answer

Only hospitals

Answer

Cancelled

Question 8

Baking soda chemical name:

Accepted Answer

Sodium bicarbonate — NaHCO₃ — Sodium bicarbonate (Sodium hydrogen carbonate).

Answer

Sodium carbonate

Answer

Sodium chloride

Answer

Sodium hydroxide

Question 9

Direction: East + 90° clockwise =?

Accepted Answer

South — South.

Answer

North

Answer

West

Answer

East

Question 10

The primary site for efficient gas exchange (oxygen and carbon dioxide) in the human respiratory system is the:

Accepted Answer

C. Alveoli — The alveoli are tiny air sacs within the lungs, characterized by their extremely thin walls and rich capillary network. This structure provides a large surface area for the efficient diffusion of oxygen into the blood and carbon dioxide out of the blood. The bronchioles, trachea, and larynx are primarily conducting airways and are not specialized for gas exchange.

Answer

A. Bronchioles

Answer

B. Trachea

Answer

D. Larynx

DCOA Mixed Practice Test #142