Ques: Q: Molecules with a carboxyl group are called what? Read this paragraph and choose the correct option from the provided answers: Molecules with a carboxyl group are called carboxylic acids. As with aldehydes, the functional group in carboxylic acids is at the end of a carbon chain. Also as with aldehydes, the C atom in the functional group is counted as one of the C atoms that defines the parent hydrocarbon name. To name carboxylic acids, the parent name of the hydrocarbon is used, but the suffix -oic acid is added:. Choices: - acetic acids - catalyzed acids - Fatty acids - carboxylic acids A:
Ans: carboxylic acids

Ques: Q: Electromagnets can be turned on or off and their strength can be changed by controlling what? Read this paragraph and choose the correct option from the provided answers: Electromagnets can be turned on or off and their strength can be changed by controlling the electric current. Choices: - steady current - powered current - inducing current - electric current A:
Ans: electric current

Ques: Q: Involved in balance, the semicircular canals are parts of what organs? Read this paragraph and choose the correct option from the provided answers: The parts of the ears involved in balance are the semicircular canals. These are the curved structures above the cochlea in the inner ear in Figure above . Like the cochlea, the semicircular canals contain liquid and are lined with tiny hair cells. As the head changes position, the liquid moves. This causes the hair cells to bend. The bending of the hair cells triggers nerve impulses that travel to the cerebellum in the brain. The cerebellum uses the information to maintain balance. Choices: - eyes - lungs - ovaries - ears A:
Ans: ears

Ques: Q: What tube carries urine out of the body? Read this paragraph and choose the correct option from the provided answers: The penis is a cylinder-shaped organ. It contains the urethra. The urethra is a tube that carries urine out of the body. The urethra also carries sperm out of the body. Choices: - fallopian tube - uterus - kidney - urethra A:
Ans:
urethra