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Multiple Choice Questions

Typical growth curve in plants is

  • sigmoid

  • linear

  • Stair-steps shaped

  • Stair-steps shaped

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Typical growth curve in plants is 

  • sigmoid

  • linear

  • stair-steps shaped

  • stair-steps shaped

551 Views

Which one of the following statements is wrong?

  • Algin and carrageenian are products of algae.

  • Agar-agar is obtained from Gelidium and Gracilaria

  • Chlorella and Spirulina are used as space food

  • Chlorella and Spirulina are used as space food

918 Views

In which of the following gametophyte is not independent free-living?

  • Funaria

  • Marchantia

  • Pteris

  • Pteris

2768 Views

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Keel is the characteristic feature of flower of

  • Tulip

  • Indigofera

  • Aloe

  • Aloe

1888 Views

The guta of cow and buffalo possess

  • Fucus sp

  • Chlorella sp

  • Methanogens

  • Methanogens

853 Views

Which one gives the most valid and recent explanation for stomatal movements?

  • Transpiration

  • Potassium influx and efflux

  • Starch hydrolysis

  • Starch hydrolysis

891 Views

Select the correct matching in the following pairs

  • Smooth ER — Oxidation of phospholipids

  • Smooth ER — Synthesis of lipids

  • Rough ER — Synthesis of glycogen

  • Rough ER — Synthesis of glycogen

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The chromosomes in which centromere is situated close to one end are

  • metacentric

  • acrocentric

  • telocentric

  • telocentric

1214 Views

The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are

  • cristate

  • grana

  • stroma lamellae

  • stroma lamellae

1386 Views