Malaria is transmitted exclusively through the bites of infected female Anopheles mosquitoes, which carry the Plasmodium parasite.
72. Which is the highest peak of the world?
(A) K2
(B) Nanda Devi
(C) Andes
(D) Mount Everest
Answer:
(D) Mount Everest
Explanation:
Mount Everest, located in the Himalayas, is the Earth’s highest mountain above sea level.
73. What does haemoglobin carries in our blood ?
(A) carbon monoxide
(B) Oxygen
(C) nitrogen
(D) carbon dioxide
Answer:
(B) Oxygen
Explanation:
Hemoglobin is the iron-containing protein in red blood cells that is responsible for binding with oxygen in the lungs and carrying it to tissues throughout the body.
74. The instrument used for measuring earthquake on Richter scale is:
(A) barometer
(B) Seismograph
(C) ammeter
(D) voltmeter
Answer:
(B) Seismograph
Explanation:
A seismograph (or seismometer) is the scientific instrument used to detect and record the seismic waves generated by an earthquake, which are then measured on the Richter scale.
75. Name the force by which earth pull everything towards its center.
(A) horse power
(B) gravitational force
(C) density
(D) specific gravity
Answer:
(B) gravitational force
Explanation:
Gravity is the fundamental physical force that attracts two bodies toward each other; it is the force that pulls objects toward the center of the Earth.
