The process of eliminating undigested food from the body is: MCQ with Answer and Explanation

Explanation:
The periderm is the outer protective covering of stems and roots that have undergone secondary growth (thickening), replacing the primary epidermis. It is composed of three distinct layers: 1) Phellem (cork): The outermost layer, consisting of dead, compactly arranged cells with suberized (waterproof) walls that provide protection and prevent water loss. 2) Phellogen (cork cambium): The middle, meristematic layer that produces phellem outwards and phelloderm inwards. 3) Phelloderm (secondary cortex): The innermost layer, consisting of living, parenchymatous cells.

Explanation:
The platypus is a monotreme (egg-laying mammal) with a duck-like beak, no teeth, and webbed feet. Bats and whales are placental mammals, kangaroo is a marsupial. Platypus is found in Australia.

Explanation:
The anticodon is a triplet of nucleotides on the tRNA molecule that base-pairs with the complementary codon on mRNA during translation, ensuring correct amino acid incorporation. Codons are on mRNA, promoters are DNA sequences for transcription initiation, exons are coding regions in eukaryotic genes.