题目内容

What are the traits of vegetative organ metamorphosis of plants?

A. Morphological changes
B. Can be inherited
C. Physiological changes
D. Can not be inherited

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Which season woods developed by plants collectively known as annual rings ?

A. Spring
B. winter
C. Summer
D. Autumn

_________________ discovered the artemisinin.

A. Ms Tu You-you
B. Mr Yuan Long-ping
C. Mr Mo Yan
D. Ms Wu Ming-zhu

Pollination is that _____________ are transferred on the stigmas.

A. fruits
B. flowers
C. pollens
D. seeds

The fusion of male and female gametes (or cells) is called the_____________.

A. pollination
B. blooming
C. fruiting
D. fertilization

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