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BOTANY

What was the new discussion of the questions of the spontaneous

origin of life? 215.

What kinds of experiments upon living forms have been made in the latter part of the century? 213.

BOTANY

For what purpose was attention first given to plants? 249.

How did Aristotle and Theophrastus classify all plants? 249.

Who substituted for this a more complete but artificial system? 249-

What do natural systems of classification attempt? 249.

What is taxonomy? 250.

What did the discovery of the microscope lead to? 250.

What does the science of morphology deal with? 250.

What is studied under plant physiology? 250.

How does ecology deal with plants? 250.

Into what other subjects is the study of botany divided? 250.

What should any elementary study of botany include? 250.

What plants are parasites, sometimes killing their hosts? 724.

How many species of grass are there? 795.

Which cereal feeds the most human beings? 1610.

What country produces the best wheat in the world? 1455.

How much wheat does it take to make a barrel of flour? 685.

What was the wheat crop of the world in 1906? 2073-4.

To what genus of trees do the redwoods of California belong? 1724.

In what class of trees does the seed sprout before the fruit falls? 1158.

What tree sends its branches down into the ground, thus forming new trunks? 170.

What is the most valuable of East India woods? 1879.

Where is there a famous chestnut tree 163 feet in diameter? 629.

Where did the common cherry tree come from? 377.

Where is the satinwood found? 1682.

Where does the best ebony come from? 578.

What microscopic plants produce and spread disease? 155.

What genus of Mexican plants yields fiber, soap and beverages? 26.

What is the difference between algae and fungi? 48.

What plant did the ancient Egyptians use to write upon? 1418.

What kind of plants are called lianas? 1062.

How does cotton grow? 464.

Where was tobacco first known? 1918.

What is the nativity of grapefruit? 795.

What is said to be the most delicious of all fruits? 1158.

Of what is the myrtle a symbol? 1294.

What is the lotus? 1116.

From what flower is opium obtained? 1528.

What substance in the larkspur is very poisonous? 1032.

From what is the oil of sweet bay taken? 1036.

What Chinese order of honor is named from one of our favorite flowers? 396.

What flower has a name meaning "little darling"? 1223.

How did the narcissus get its name? 1302.

What is smilax used for besides decorations? 1681.

Where did the tuberose first come from? 1948.

What are puff balls? 1559.

Will seeds grow after being kept for years? 1718.

What North American tree is fed upon by the silkworm? 1275.

CHEMISTRY

What was the forerunner of chemistry? 41.

With what does the science of chemistry deal? 374.

When do chemical changes take place? 374.

What are some examples of chemical changes? 374-5.

During these changes is there any gain or loss in total weight? 375.

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