The hormone that promotes the absorption of glucose into cells is:
A. Epinephrine
B. Insulin
C. Cortisol
D. Glucagon
Answer: Option B
Solution (By JKSSB Mock Tests)
Insulin stimulates GLUT4 transporters to move to the cell membrane, increasing glucose uptake in muscle and adipose tissue. Glucagon raises blood glucose.
Consider statements about human diseases: 1. Cholera is a bacterial disease. 2. Polio is a viral disease. 3. Malaria is transmitted by a mosquito. Which are correct?
Explanation:
Cholera is an acute diarrheal illness caused by the bacterium Vibrio cholerae, typically transmitted through contaminated water. Polio (poliomyelitis) is a highly infectious viral disease caused by the poliovirus, which can lead to paralysis. Malaria is a life-threatening disease caused by Plasmodium parasites, which are transmitted to humans through the bites of infected female Anopheles mosquitoes. All three statements are correct.
Explanation:
Vitamin E (Tocopherol) is a fat-soluble vitamin that acts primarily as a powerful antioxidant. It protects cell membranes from oxidative damage by neutralizing free radicals, which are unstable molecules that can damage cells. It also supports immune function and has anti-inflammatory properties. Deficiency is rare but can cause neurological problems and hemolytic anemia.
Consider the following statements about vitamins:
1. Vitamin A is fat-soluble.
2. Vitamin C is water-soluble.
3. Vitamin D can be synthesized in the skin by sunlight.
Which of the above is/are correct?
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