What is the largest organ in the human body?

• Lungs
  A
• Skin
  B
• Liver
  C

What does DNA stand for?

• Deoxyribonucleic acid
  A
• Ribosome acid
  B
• Nicotinamide acid
  C

Which organelle is responsible for photosynthesis?

• Mitochondria
  A
• Endoplasmic reticulum
  B
• Chloroplast
  C

How many chromosomes do humans have?

• 46
  A
• 44
  B
• 48
  C

What mainly determines a person’s blood type?

• Oxygen level
  A
• Shape of red blood cells
  B
• Antigens and antibodies
  C

Why can owls rotate their heads so far?

• Their spine is more flexible
  A
• They have special blood vessels
  B
• They don’t have bones
  C

Which is the only mammal capable of true flight?

• Bat
  A
• Squirrel
  B
• Flying squirrel
  C

Which type of blood cell carries oxygen in the human body?

• White blood cells
  A
• Red blood cells
  B
• Platelets
  C

What is the basic unit that makes up proteins?

• Fatty acids
  A
• Sugar molecules
  B
• Amino acids
  C

What plant makes up most of a panda’s diet?

• Bamboo
  A
• Kumasasa
  B
• Sasa
  C