Biology Basics Test your knowledge of basic biology concepts with this quiz! See if you can answer all 10 questions correctly rihanna80 published on January 040 responses 0 « Previous Next » Questions in vertical order 1/10 What is the smallest unit of life? Cell Organism Molecule Tissue 2/10 Which process allows plants to convert sunlight into energy? Respiration Photosynthesis Digestion Absorption 3/10 Which organ is responsible for filtering waste from the blood? Liver Kidney Lung Stomach 4/10 Which of the following is NOT a type of blood cell? Red blood cell White blood cell Platelet Muscle cell 5/10 What is the basic unit of DNA called? Cell Gene Chromosome Nucleotide 6/10 What is the largest organ in the human body? Heart Liver Lungs Brain 7/10 Which gas is essential for photosynthesis? Carbon dioxide Oxygen Nitrogen Methane 8/10 Which of the following is NOT a type of tissue in the human body? Muscle tissue Epithelial tissue Nervous tissue DNA 9/10 Which process involves the exchange of gases between the atmosphere and the lungs? Circulation Respiration Digestion Excretion 10/10 What is the powerhouse of the cell? Nucleus Mitochondria Chloroplast Ribosome
