Agriculture MCQs

Page No. 105

Cytoplasm fills of the cavity of a cell when if is young. But in nature cells, the cytoplasm________________?


aBecomes vacuolated

✓


bDisappears completely

✖


cContracts

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dDisintegrates partially

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View Answer Becomes vacuolated

Who gave the model of DNA_________________?


aWatson & Crick

✓


bTatum

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cKoran

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dDtanele

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View Answer Watson & Crick

Who discovered nucleic acid________________?


aVan Mohl

✖


bMiescher

✓


cBenda

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dSchultz

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View Answer Miescher

Duplication of chromosomes occurs during_________________?


aMitosis only

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bMeiosis

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cMitosis and meiosis

✓


dNone of the above

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View Answer Mitosis and meiosis

The nucleic acids comprise of_________________?


aDNA

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bRNA

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cDNA and RNA

✓


dDNA and protein

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View Answer DNA and RNA

The digestive vacuole in the animal cell are____________________?


aRibosomes

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bLysosomes

✓


cLysozymes

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dDictysomes

✖


View Answer Lysosomes

The term cell was introduced in 1665 by__________________?


aMaligned

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bHook

✖


cSchneider

✓


dSchumann

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View Answer Schneider

As a general rule interbreeding is possible between______________________?


aAny two members of a Genus

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bAny two members of a Species

✓


cAny two members of a Family

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dAny two members of an order

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If the frequency of a dominant phenotype in a stable population in 75% the frequency of the dominant allele in that population is____________________?


a50%

✓


b75%

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c25%

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d40%

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View Answer 50%

From a single ear of corn a farmer planted 300 kernels which produced 225 tall and 75 short plants. the genotype of these offsprings are most likely to be_____________________?


aTT and Tt only

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bTT and Tt only

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cTt and Tt only

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dTT Tt and tt

✓


View Answer TT Tt and tt

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