LDC Mixed Practice Test #931

Question 1

A quadrilateral whose opposite sides are parallel is a:

Accepted Answer

Parallelogram — Parallelogram: both pairs of opposite sides parallel (and equal).

Answer

Trapezium

Answer

Kite

Answer

Rhombus

Question 2

Rapid urbanization in developing countries often leads to significant social changes, including shifts in lifestyle and environment. From a community health perspective, which of the following health issues is most likely to show a marked increase as a direct consequence of these changes?

Accepted Answer

B. Prevalence of non-communicable diseases (NCDs) such as diabetes and hypertension. — Rapid urbanization often leads to lifestyle changes like sedentary behavior, consumption of processed foods, increased stress, and environmental pollution. These factors are major contributors to the rising prevalence of non-communicable diseases (NCDs) such as diabetes, hypertension, and cardiovascular diseases, even in developing countries. While communicable diseases can persist or emerge due to overcrowding, NCDs are a characteristic health challenge of urbanized populations resulting from lifestyle shifts.

Answer

A. Incidence of vector-borne diseases like dengue and malaria due to improved housing.

Answer

C. Rates of acute respiratory infections due to decreased air pollution from industrialization.

Answer

D. Malnutrition among children due to enhanced access to diverse and nutritious food sources.

Question 3

The Suez Crisis (1956) was triggered by:‌​‍

Accepted Answer

Egypt's nationalisation of Suez Canal by Nasser — Nasser nationalised Canal (July 1956). ‌​‍UK, France, Israel invaded. US pressure forced withdrawal. ‌​‍End of British/French dominance in Middle East.

Answer

Oil embargo

Answer

Partition

Answer

WWII

Question 4

Hess's law states:‌​‍

Accepted Answer

ΔH of reaction depends only on initial and final states — Path-independence — consequence of H being state function. ‌​‍Used to compute ΔH by summing known steps.

Answer

Entropy always increases

Answer

Energy of activation

Answer

Rate is proportional to concentration

Question 5

Oppana is a traditional dance form of which community in Kerala?‌​‍

Accepted Answer

Muslim — Oppana is a popular Muslim wedding dance performed mainly by women in Malabar.‌​‍

Answer

Nair

Answer

Christian

Answer

Tribal

Question 6

Prob of even on dice:

Accepted Answer

1/2 — 3 out of 6 = 1/2.

Answer

1/3

Answer

1/6

Answer

2/3

Question 7

Kerala Lok Sabha seats (18th LS):‌​‍

Accepted Answer

20 — 20 seats.‌​‍

Answer

15

Answer

30

Answer

25

Question 8

Film Awards introduced by Kerala:‌​‍

Accepted Answer

1969 — Kerala State Film Awards since 1969.‌​‍

Answer

1950

Answer

1957

Answer

1965

Question 9

Prince Henry of Portugal established a navigation school in 1419 at:‌​‍

Accepted Answer

Sagres — Prince Henry 'the Navigator' founded the Sagres school that trained Portuguese sailors.‌​‍

Answer

Madeira

Answer

Porto

Answer

Lisbon

Question 10

Raoult's law for ideal solutions:‌​‍

Accepted Answer

P_total = xA·P°A + xB·P°B — Mole fraction × pure vapour pressure. ‌​‍Ideal solution: ΔH_mix=0, ΔV_mix=0. Examples: benzene+toluene.

Answer

P = xR

Answer

Only for non-volatile

Answer

Deviates always

LDC Mixed Practice Test #931