Fingerprinting pre-prac

What are the series of lines on the palms and fingers of our hands called?

• Grooves

• Ridges

• Valleys

• Waves

What do the glands between the ridges on our hands secrete?

• Blood, sweat, and tears

• Sweat, oils, and amino acids

• Water, salt, and proteins

• Enzymes, hormones, and lipids

What happens to the secretions from the glands on our hands when we touch something?

• They evaporate

• They are absorbed

• They are left behind

• They change color

When do fingerprints develop during pregnancy?

• In the 1st to 2nd month

• In the 3rd to 4th month

• In the 5th to 6th month

• In the 7th to 8th month

Identical twins have the same DNA configuration but different _______.

• Eye color

• Fingerprints

• Hair color

• Blood type

What animal do you think is the closest match to human fingerprints?

• Dog

• Cat

• Koala

• Elephant

Which of the following materials does not absorb sweat and oil well, allowing for clear prints to be left behind?

• Wood

• Metal

• Fabric

• Paper

Which of the following materials is NOT mentioned in the document?

• Glass

• Ceramics

• Plastics

• Stone

Which material is mentioned as one that does not absorb sweat and oil well?

• Wood

• Glass

• Fabric

• Leather

Which of the following materials is NOT mentioned in the document?

• Glass

• Ceramics

• Plastics

• Stone