Question

Which of the following is the tallest tree of the world?
A. _Eucalyptus regnans**
B. _Sequoia sempervirens**
C. _Pinus longifolia**
D. _Pinus roxburghii**

Answer 1

They are commonly called coast redwoods. It is the tallest species in the world with a height of 300 feet. Redwood trees have a diameter of 7 meters, and 1.6 million lbs. (725,700 kg).

Complete answer:
a) Sequoia sempervirens : It is also known as coastal redwood. It has a height of about 115-metres with 24 feet width. These giants can live to be 2,000 years and have graced the planet for more than 240 million years. Redwoods require moderate coastal climate for survival. The source of water for redwoods is rainwater, therefore, it requires consistent rainfall throughout the year. They have a large root system. These trees are resistant to fire and were used to build many buildings in San Francisco. It is the tallest tree in the world.
b) Eucalyptus regnans : Eucalyptus regnans are commonly known as mountain ash, victorian ash, swamp gum, Tasmanian oak and stringy gum. It is native to south-eastern Australia (Victoria and Tasmania). This eucalyptus tree is an evergreen tree that achieves height about 70–120 m (230–400 feet) tall. It has a trunk with straight smooth bark. The leaves of the plant appear as a sickle which is curved and pointed. It is used in wood chipping, newsprint and construction of the building.
c) Pinus longifolia : They are beautiful trees that have a height of about 80 to 125 feet and its lifespan is about 5 to 7 years. It is a lush green tree with needle-shaped leaves and its botanical name is Pinus roxburghii.
Hence, the correct answer is option B.

Note: Redwood (Sequoia sempervirens) is used in various purposes like the formation of medicine. This redwood tree is found in the California state of America. This redwood tree strength is impressive and is able to withstand strong wind.