Question Detail In a human body, the basic building block are MusclesNervesCellsBones Answer: Option C Similar Questions : 1. Who invented Polio Vaccine ? Harrison and SympsonJohan E. SalkLuvenhauk - LeeuwenhockKarl Landsteiner Answer: Option BExplanation:Harrison and Sympson invented chloroform, Luvenhauk - Leeuwenhock invented Bacteria, Karl Landsteiner invented Blood Transfer. 2. Which is not an example of fungi ? MushroomMucorAlbugoPulp Answer: Option D 3. What would happen if human blood becomes acidic ? Oxygen-carrying capacity of haemoglobin is increaseOxygen-carrying capacity of haemoglobin is decreaseWill remain sameWill be unpredictable Answer: Option BExplanation:human blood becomes acidic means low pH 4. Plants growing on sand are known as chasmophytes psammophyteslithophytes oxylophytes Answer: Option B 5. Plants absorb dissolved nitrates from soil and convert them into : Free nitrogenUreaProteinsAmmonia Answer: Option A Read more from - Biology Questions Answers