Nerve cell does not contain

Correct Answer: C

Rationale: A nerve cell or neuron have three parts: Cyton or cell body, Dendrons branching into dendrites, and Axon. Tendons are connective tissue, not part of neurons.

Correct Answer: B

Rationale: Connective tissue consists of cells, ground substance, and protein fibers (e.g., collagen, elastin), forming its extracellular matrix.

Correct Answer: C

Rationale: Redness, heat, and swelling are local signs of inflammation; fever is a systemic response, not a cardinal sign.

Correct Answer: C

Rationale: Proteins contain nitrogen (in amino groups), unlike carbohydrates; both are organic and have covalent bonds.

Correct Answer: C

Rationale: Carbon dioxide (CO2) is inorganic; starch, ribose, and lipase (a protein) are organic with C, H, O, and often N.