Multiple Choice Questions

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Respiratory enzymes are present in the following organelle

  • peroxysome

  • chloroplast

  • mitochondrion

  • lysosome


C.

mitochondrion

Mitochondria function during aerobic respiration to produce ATP through oxidative phosphorylation (def). The respiratory enzymes and electron carriers for the electron transport system are located within the inner mitochondria membrane.


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Net yield of ATP molecules in aerobic respiration during Krebs cycle per glucose molecule is

  • 2 ATP molecules

  • 8 ATP molecules

  • 36 ATP molecules

  • 38 ATP molecules


In a CAM plant, the concentration of organic acid

  • increases during the day

  • decreases or increases during the day

  • increases during night

  • decreases during any time


The discovery of gibberellins is related with one of the following

  • blast disease of rice

  • rust disease of wheat

  • bakane disease of rice

  • early blight disease of potato


Vascular tissue in higher plants develop from which of the following

  • Procambium 

  • Protoderm

  • Periblem

  • Cortex


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Which element is cause of itai 1/N desh itai disease

  • Hg

  • Cd

  • Pb

  • As


Protein coat of virus is known as

  • capsid

  • virion

  • viroid

  • bacterial wall


Feedback inhibition of enzymes is affected by which ofthe following

  • Enzyme

  • Substrate

  • End products

  • Intermediate end products


When the other floral parts are arranged at the base of the gynoecium, the flower is called

  • hypogynous flower

  • perigynous flower

  • epigynous flower

  • agynous flower


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Which part of the human brain is largest

  • Cerebellum

  • Thalamus

  • Cerebrum

  • Medulla