Basic science Jss 3

What is a family trait?

• A skill learned from parents

• A characteristic inherited from parents

• A behavior influenced by friends

• A skill learned from the environment.

What determines the eye color in humans?

• The environment

• Genes inherited from parents

• What you eat

• Genes inherited from friends

What is an example of a family trait that could be a health-related condition?

• Diabetes

• Hair length

• Favorite color

• Malaria

Which part of the body contains genes that influence family traits?

• Heart

• Brain

• Cells

• Liver

Which of the following acids is inorganic?

• Lactic acid

• Citric acid

• Nitric acid (HNO₃)

• Fatty acids

Which organic acid is commonly found in citrus fruits like oranges and lemons?

• Lactic acid

• Citric acid

• Acetic acid

• Amino acids

What is one characteristic of all acids?

• They taste sweet

• They turn litmus paper red

• They feel slippery

• They are soapy to touch

Which of these is a common example of a strong acid?

• Hydrochloric acid (HCl)

• Vinegar (Acetic acid)

• Citric acid

• oxalic acid

What happens when an acid reacts with a base?

• They form a salt and water

• They form gas and water

• They form heat and light

• They form metal and water

What is one of the dangers of sulfuric acid (H₂SO₄),

• It can cause skin burns

• It is used in food

• It has a pleasant smell

• It has a sweet smell