Which of the following is true about blood group O? MCQ with Answer and Explanation

Explanation:
Dairy farming is the agricultural practice of breeding and raising livestock (like cows, buffaloes, goats) specifically for the long-term production of milk and dairy products. Poultry farming involves the commercial rearing of domesticated birds (like chickens, ducks, turkeys) for the production of meat (broilers) and eggs (layers). Apiculture is the scientific rearing and management of honeybees (Apis species) for the production of honey, beeswax, and other hive products; silk production is the domain of sericulture. Thus, statements 1 and 2 are correct.

Explanation:
Coal is a fossil fuel formed over millions of years and is finite, thus non-renewable. Solar, wind, and tidal energy are renewable and replenishable. Non-renewable resources include coal, petroleum, natural gas, and nuclear minerals. Overexploitation leads to depletion and environmental pollution. Conservation of such resources is essential for sustainable development.

Explanation:
Mycology is the study of fungi, including yeasts and molds. Phycology deals with algae, bryology with mosses and liverworts, and pteridology with ferns. Fungi are eukaryotic, heterotrophic organisms with chitinous cell walls. The term mycology derives from Greek 'mykes' meaning mushroom. Alexander Fleming's discovery of penicillin from the fungus Penicillium notatum revolutionized medicine. Mycology is crucial for understanding fungal diseases and antibiotic production.