How does growth in living organisms differ from growth in non-living things? MCQ with Answer and Explanation

Explanation:
ELISA (enzyme-linked immunosorbent assay) uses enzyme-linked antibodies to detect and quantify specific antigens or antibodies in a sample. PCR amplifies DNA, Northern blotting detects RNA, Southern blotting DNA.

Explanation:
The liver converts toxic ammonia (from amino acid deamination) into less toxic urea via the urea cycle (ornithine cycle) in hepatocytes. Urea is then excreted by the kidneys. The kidneys filter urea but do not produce it. Pancreas produces enzymes/hormones, spleen filters blood.

Explanation:
Bombyx mori is the domesticated silkworm, whose caterpillar spins a silk cocoon. The silk thread is obtained by boiling cocoons. Apis mellifera is the honeybee, Labeo rohita is a fish (rohu), Drosophila is fruit fly used in genetics. Sericulture involves mulberry cultivation, silkworm rearing, and reeling of silk. India is the second largest silk producer.