Biology Quiz

Which of the following is the correct order of biological organization from smallest to largest?

• Cell → Organelle → Tissue → Organ → Organ System

• Atom → Molecule → Organelle → Cell → Tissue

• Organ System → Organ → Tissue → Cell → Organelle

• Ecosystem → Community → Population → Organism

The sodium-potassium pump exports:

• 2 Na⁺, imports 3 K⁺

• 3 Na⁺, imports 2 K⁺

• 3 K⁺, imports 2 Na⁺

• 1 Na⁺, imports 1 K⁺

Which of the following domains contains extremophiles?

• Bacteria

• Archaea

• Eukarya

• Protista

In diffusion, particles move:

• From low to high concentration, requiring ATP

• Randomly, requiring no energy

• From high to low concentration, without energy input

• Against the gradient using facilitated transport

A hypertonic solution causes a cell to:

• Gain water and swell

• Lose water and shrink

• Remain unchanged

• Burst immediately

Which scientist accidentally discovered penicillin?

• Alexander Fleming

• Louis Pasteur

• Robert Koch

• Carl Woese

Which macromolecule is tested for with Benedict’s solution?

• Starch

• Simple sugars

• Lipids

• Proteins

What part of the phospholipid is hydrophilic?

• Fatty acid tails

• Phosphate head

• Glycerol backbone

• Steroid group

Which experiment control is missing if Lisa only tests hair growth on herself?

• Independent variable

• Repeated trials

• Dependent variable

• Conclusion

Which is the strongest electronegative element?

• Carbon

• Oxygen

• Nitrogen

• Fluorine