Some plants, such as strawberries, develop new flowering stems through the use of above ground horizontal stems. Which term best describes these structures? See the source image

Question 19 options:

Bulbs

Stem Cuttings

Tubers

Runners

The correct option is D) Runners

Explanation:

Runners can be described as elongated, horizontal stems which can grow above ground. The runners are also known as stolons. New stems can be grown by using these horizontal stems. The new platelets can then be separated from the runners through various propagation means.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

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