LGS Mixed Practice Test #791

Question 1

Currency of Russia:‌​‍

Accepted Answer

Ruble — Russian Ruble. Capital = Moscow.‌​‍

Answer

Euro

Answer

Krone

Answer

Franc

Question 2

Study of cells:‌​‍

Accepted Answer

Cytology — Cytology.‌​‍

Answer

Histology

Answer

Anatomy

Answer

Genetics

Question 3

Sound requires a medium to travel. In which medium does sound travel fastest?‌​‍

Accepted Answer

Steel (solid) — Sound travels fastest in solids due to close molecular packing; slowest in gases.‌​‍

Answer

Vacuum

Answer

Air

Answer

Water

Question 4

Mullaperiyar height:‌​‍

Accepted Answer

53.66m — ~53.66 m.‌​‍

Answer

30m

Answer

70m

Answer

100m

Question 5

Kerala 2024 LS result:

Accepted Answer

UDF dominated — UDF won majority in 2024.

Answer

LDF dominated

Answer

BJP dominated

Answer

Tied

Question 6

The human heart has how many chambers?‌​‍

Accepted Answer

4 — Two atria (upper) and two ventricles (lower).‌​‍

Answer

3

Answer

5

Answer

2

Question 7

A male patient enquires about sildenafil for erectile dysfunction. Which of the following co-existing medication classes would be an absolute contraindication for sildenafil use due to severe risk of hypotension?

Accepted Answer

C. Nitrates — Sildenafil is a phosphodiesterase-5 (PDE5) inhibitor that enhances the effects of nitric oxide. Concomitant use with nitrates (e.g., nitroglycerin, isosorbide dinitrate) can lead to a dangerous and life-threatening drop in blood pressure (severe hypotension) due to synergistic vasodilation.

Answer

A. Beta-blockers

Answer

B. Alpha-blockers

Answer

D. Calcium channel blockers

Question 8

A school principal encourages her teachers to engage in action research. One teacher asks how action research differs from the typical academic research projects she learned about in college. Which of the following is the most accurate distinction?

Accepted Answer

B. Action research is conducted by practitioners to address specific problems within their immediate context, aiming for practical improvement, whereas academic research often seeks generalizable theoretical knowledge. — Action research is distinct because it is typically conducted by practitioners (like teachers) within their own specific contexts to solve immediate problems and improve practice. In contrast, traditional academic research often aims for broader theoretical understanding and generalizable findings, frequently conducted by external experts. While both involve systematic inquiry, their primary goals and immediate beneficiaries differ.

Answer

A. Action research primarily focuses on establishing cause-and-effect relationships using large sample sizes, similar to experimental research.

Answer

C. Action research involves minimal data collection and relies mainly on intuition, while academic research uses rigorous data analysis.

Answer

D. Action research is always externally funded and requires ethical approval from a university review board, unlike academic research.

Question 9

The primary site for the absorption of digested nutrients in the human body is the:

Accepted Answer

C. Small intestine — The small intestine is specifically adapted with villi and microvilli to maximize surface area for the absorption of most digested nutrients, including carbohydrates, proteins, and fats. The stomach primarily handles digestion and some minor absorption, while the large intestine absorbs water and electrolytes. The esophagus is for transport.

Answer

A. Stomach

Answer

B. Large intestine

Answer

D. Esophagus

Question 10

Umbilical cord vessels:‌​‍

Accepted Answer

2 arteries, 1 vein — Two arteries + one vein.‌​‍

Answer

3 vessels

Answer

1 artery, 1 vein

Answer

2 veins, 1 artery

LGS Mixed Practice Test #791