Question

Angiosperms have dominated the land flora primarily because of their

A. power of adaptability in diverse habitat  
B. property of producing large number of seeds
C. nature of self pollination
D. domestication by man
Answer :   power of adaptability in diverse habitat
Solution :
Angiosperms have adapted themselves to all kinds of habitat-terrestial, aquatic, tropical, deciduous and alpine.
Note : Self pollination is seen in very few angiosperms. Production of large number of seeds ensure that at least some will germinate. Not all plants have been domesticated by man.

Releted MCQ Question on
Botany >> The Living World

Releted Question 1

Which of the following has proved helpful in preserving pollen as fossils?

A. Pollenkitt
B. Cellulosic intine
C. Sporopollenin
D. Oil content
Releted Question 2

It is much easier for a small animal to run uphill than for a large animal, because

A. it is easier to carry a small body weight
B. smaller animals have a higher metabolic rate
C. small animals have a lower $${O_2}$$ requirement
D. the efficiency of muscles in large animals is less than in the small animals
Releted Question 3

Which one of the following aspects is an exclusive characteristic of living things?

A. Isolated metabolic reactions occur in vitro
B. Increase in mass from inside only
C. Perception of events happening in the environment and their memory
D. Increase in mass by accumulation of material both on surface as well as internally
Releted Question 4

Biological organisation starts with

A. cellular level
B. organismic level
C. atomic level
D. submicroscopic molecular level

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