Multiple Choice Questions

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The guta of cow and buffalo possess

  • Fucus sp

  • Chlorella sp

  • Methanogens

  • Methanogens


C.

Methanogens

Methanogens are microorganisms taht produces methane as a by product of its metabolism. These are both archeans and obligate anaerobes. They are commonly found in wetlands, where they form marsh gas and in guts of animals such as ruminants and humans, where they are resposible for flatulence(burping)

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Keel is the characteristic feature of flower of

  • Tulip

  • Indigofera

  • Aloe

  • Aloe

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Typical growth curve in plants is

  • sigmoid

  • linear

  • Stair-steps shaped

  • Stair-steps shaped

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

  • Transpiration

  • Potassium influx and efflux

  • Starch hydrolysis

  • Starch hydrolysis

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

  • metacentric

  • acrocentric

  • telocentric

  • telocentric

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

  • cristate

  • grana

  • stroma lamellae

  • stroma lamellae

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Typical growth curve in plants is 

  • sigmoid

  • linear

  • stair-steps shaped

  • stair-steps shaped

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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

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

  • Funaria

  • Marchantia

  • Pteris

  • Pteris

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