Botany Practice Test -2

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11. Photosynthesis is maximum in --- wave

a) red

b) Blue

c) Violet

d) Yellow

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12. Alternative forms of same gene is called

a) Allele

b) allelomorph

c) Non allelic

d) Both a and b

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13. The germination of seed with the fruit while still attached to mother plants is

a) ovipary

b) Parthenocarpy

c) Vivipary

d) Senescence

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14. Which of the following is the constituent of cell wall?

a) Calcium

b) Zinc

c) Iron

d) Boron

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15. Red drop phenomenon was discovered by

a) Hatch

b) Calvin

c) Benson

d) Emerson

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16. The system of binomial nomenclature was introduced by

a) Linnaeus

b) Aristotle

c) Theophrastus

d) Bentham and Hooker

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17. The grafting method practiced in a stock with diameter many times more than that of scion is called

a) Tongue grafting

b) Wedge grafting

c) Crown Grafting

d) Approach grafting

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18. Okazaki fragments are formed on

a) Lagging strand

b) Leading strand

c) Stagnant strand

d) Sense strand

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19. Operon concept was discovered by

a) Jacob & Monad

b) Beadle & Tatum

c) Leadburg & Tatum

d) Temin and Baltimore

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20. The bio fertilizer found in the roots of legume is

a) Anabaena

b) Rhizobium

c) Azosporillum

d) all of these

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