How many of the following statements are wrongI. Ginkgo is having only one type of branchesII. Ginkgo has simple leavesIII. Ginkgo has coralloid rootsIV. Ginkgo is the tallest gymnosperm

Ginkgo has simple leaves, it is not having coralloid roots, it has both dwarf and long branches and it is not the tallest among the gymnosperms. Sequoia is one of the tallest gymnosperms.