Spleen is called 'Grave yard' of

Correct Answer: C

Rationale: The spleen is often referred to as the 'graveyard' of red blood cells (RBCs) because it removes old or damaged RBCs.

Correct Answer: B

Rationale: One function of membrane proteins is to receive(amino acid based) hormones that cannot pass through the plasma membrane.

Correct Answer: C

Rationale: Keratinocytes are in the epidermis which is epithelial tissue. The other cell types occur in fat, cartilage and bone.

Correct Answer: C

Rationale: Pleura is around the lung, while visceral refers to the layer of the pleura that is attached to the lung surface.

Correct Answer: A

Rationale: Facilitated refers to the role of the protein carriers. The other choices refer to diffusion, active transport and osmosis respectively