Which of the following is a recognized biodiversity hotspot in India?
A. Deccan Plateau
B. Thar Desert
C. Indo-Gangetic Plains
D. Western Ghats
Answer: Option D
Solution (By JKExamLibrary)
Biodiversity hotspots are biogeographic regions with high levels of species richness and endemism that are under threat. The Western Ghats and Sri Lanka, along with the Himalayas, are recognized biodiversity hotspots in India. They harbor a vast array of flora and fauna, many of which are found nowhere else in the world, due to their unique geographical and climatic conditions.
Explanation:
Triglycerides are glycerol + 3 fatty acids; they are hydrophobic. Phospholipids are membrane components; triglycerides are main energy storage. Cholesterol is a steroid lipid, not protein.
Explanation:
O negative blood lacks A, B, and Rh antigens, so it can be transfused to any recipient without causing agglutination, making it the universal donor.
Explanation:
Mature mammalian red blood cells (erythrocytes) lose their nucleus and other organelles during development to maximize space for hemoglobin. Thus they are anucleate. They cannot divide or repair themselves and have a lifespan of about 120 days. Neurons, leukocytes, and hepatocytes are nucleated. RBCs obtain energy through anaerobic glycolysis.
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