The type of cell division that occurs during growth and repair is: MCQ with Answer and Explanation

Explanation:
Guttation occurs when root pressure forces water out through special pores (hydathodes) at leaf tips/margins, forming droplets, usually at night or early morning. Transpiration is vapor loss, evaporation from wet surfaces, precipitation is rain.

Explanation:
The human endoskeleton consists of 206 bones and cartilage at joints and in structures like the nose, ears, and intervertebral discs. Bone is mineralized connective tissue, cartilage is a specialized connective tissue. Chitin is found in arthropod exoskeleton and fungal walls, keratin is a protein in skin, hair, nails. The skeleton provides support, protection, and movement.

Explanation:
The tundra biome, found in Arctic and Antarctic regions, has permanently frozen subsoil (permafrost), extremely low temperatures, short growing seasons, and vegetation limited to mosses, lichens, grasses, and dwarf shrubs. Taiga is the boreal coniferous forest, savanna is tropical grassland, temperate deciduous forest has distinct seasons. Tundra is the coldest biome.