Which type of joint is present between the skull bones? MCQ with Answer and Explanation

Explanation:
Maize (corn), sugarcane, and sorghum are classic examples of C4 plants. They possess Kranz anatomy, where bundle sheath cells contain chloroplasts. C4 plants initially fix CO2 into a 4-carbon compound (oxaloacetate) using PEP carboxylase in mesophyll cells, which minimizes photorespiration and increases photosynthetic efficiency in hot, dry climates.

Explanation:
The vermiform appendix is a vestigial organ, reduced in size and function, serving no essential digestive role in humans. Other vestigial structures include wisdom teeth, ear muscles, and coccyx. They are remnants of organs that were functional in ancestors, providing evidence for evolution. Heart, lung, and kidney are vital functional organs.

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.