This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.
ScanSolve AI Answer
Step 1: Solve Question 3. The question asks: "কোন রক্ত বর্ণান্ধতাকে সার্বজনীন বর্ণান্ধতা বলে?" (Which color blindness is called universal color blindness?) Options: (ক) লাল-সবুজ (Red-green) (খ) লাল-নীল (Red-blue) (গ) সবুজ-হলুদ (Green-yellow) (ঘ) নীল-হলুদ (Blue-yellow) "সার্বজনীন বর্ণান্ধতা" (universal color blindness) refers to achromatopsia*, a condition where a person sees no color at all, only shades of grey. None of the given options (red-green, red-blue, green-yellow,

