SCIENCE 8 long quiz

Which organ is responsible for the absorption of nutrients in the digestive system?

• Stomach

• Liver

• Small intestine

• Large intestine

Which of the following occurs in chemical digestion?

• Chewing food into smaller pieces

• Absorption of water from food

• Movement of food through the esophagus

• Breakdown of food molecules by enzymes

Where does the final stage in digestion of food happen?

• liver

• mouth

• small intestine

• large intestine

Mitosis is a process of cell division that produces:

• Four genetically different cells

• Two genetically identical cells

• A single large cell

• Cells with half the original number of chromosomes

Which of the following breaks down food into tinier pieces to begin mechanical digestion?

• esophagus

• stomach

• teeth

• tongue

Which factor controls hereditary traits?

• cells

• chromosomes

• genes

• parents

Which stage in the life of a cell is spent most?

• cytokinesis phase

• interphase

• mitotic phase

• synthesis phase

Humans have diploid chromosome number (2N) which is equal to 46 chromosomes. What is the chromosome number of each daughter cell produced during meiosis?

• 1

• 23

• 46

• 92

What is the probability of having a homozygous recessive offspring if two heterozygous parents are crossed?

• 25%

• 50%

• 75%

• 100%

What is an example of an endangered species?

• Domestic cat

• Philippine eagle

• House sparrow

• Tilapia