Ques and Ans: Oxygen and glucose share this mechanism in the body:
Options:
- (A) it needs them
- (B) aerobic capacity
- (C) transportation
- (D) flow of electrons
- (E) Energy.
- (F) Veins and arteries.
- (G) sweating
- (H) oxidation reaction
(C)
Explanation for the Ans above: [[Oxygen is just one substance transported by the blood. Blood glucose is the substance that feeds our cells. Oxygen and glucose are transported the same way in the body.]]

Ques and Ans: Which of these trees seasonally sheds its leaves?
Options:
- (A) gone forever
- (B) Exfoliation
- (C) Most plants
- (D) Mulberry
- (E) ligt
- (F) vegetation
- (G) Heavy rains
- (H) homogenous
(D)
Explanation for the Ans above: [[Plants that shed their leaves seasonally each year are called deciduous plants. Mulberry trees are deciduous. Mulberry trees seasonally shed their leaves.]]

Ques and Ans: The most ancient what are trees with woody trunks?
Options:
- (A) it needs them
- (B) leafy greens
- (C) more abundant
- (D) Leeuwenhoek
- (E) flowering buds
- (F) pollen
- (G) graptolites
- (H) seed plants
(H)
Explanation for the Ans above:
[[Most modern gymnosperms are trees with woody trunks. Gymnosperms are the most ancient seed plants. The most ancient seed plants are trees with woody trunks.]]