General Science Questions with Answers
81. What is the lifespan of human white blood cells?
- A) 48 hours
- B) Less than 10 days
- C) 30 days
- D) 60 days
Answer: Less than 10 days
82. From which source is biodiesel commonly obtained?
- A) Corn
- B) Sugarcane
- C) Soybean
- D) Jatropha
Answer: Jatropha
83. Who is considered the father of microbiology?
- A) Robert Hooke
- B) Joseph Lister
- C) Alexander Fleming
- D) Antonie van Leeuwenhoek
Answer: Antonie van Leeuwenhoek
84. Leukemia, or blood cancer, is characterized by an abnormal increase in which component?
- A) Blood Serum
- B) Hemoglobin
- C) White blood cells
- D) Plasma Proteins
Answer: White blood cells
85. Which fuel is used in gas welding?
- A) Propane
- B) Butane
- C) Methane
- D) Acetylene
Answer: Acetylene
86. Which gas is also known as laughing gas?
- A) Carbon Monoxide
- B) Nitrous Oxide
- C) Sulfur Dioxide
- D) Ammonia
Answer: Nitrous Oxide
87. On which river is the Bhakra Dam built?
- A) Ganges River
- B) Yamuna River
- C) Sutlej River
- D) Indus River
Answer: Sutlej River
88. Which instrument is used to check the proper functioning of the heart?
- A) E.C.G
- B) X-Ray
- C) MRI
- D) Spirometer
Answer: E.C.G
89. Which of the following is a strain of the bird flu virus?
- A) H5N1
- B) H3N2
- C) H1N1
- D) H9N2
Answer: H5N1
90. Which organ is examined using an electroencephalogram (EEG)?
- A) Heart
- B) Brain
- C) Liver
- D) Lungs
Answer: Brain
