Biology MCQs

Page No. 38

During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?


a16-30

✖


b15-20

✓


c5?10

✖


d6?12

✖


View Answer 15-20

___________ respiration is the process by which cell utilized oxygen and produces CO2 ?


aCellular

✓


bOrganismic

✖


cBoth of these

✖


dNone of these

✖


View Answer Cellular

Lungs are covered with double layered thin membranous sac called___________?


aDisphragm

✖


bPleura

✓


cPericardium

✖


dRib cage

✖


View Answer Pleura

___________ respiration is directly involved in the production of energy, necessary for all living activities?


aOrganismic

✖


bCellular

✓


cBoth of these

✖


dNone of these

✖


View Answer Cellular

Lungs are spongy due to the presence of million of___________?


aAir sacs

✖


bAlveoli

✓


cBronchioles

✖


dParabronchi

✖


View Answer Alveoli

Functional units of lungs are called________?


aAlveoli

✖


bAir sacs

✓


cParabronchi

✖


dNone of these

✖


View Answer Air sacs

Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy?


a6.1

✖


b6.3

✖


c7.1

✖


d7.3

✓


View Answer 7.3

ATP are consumed during___________?


aGlycolysis

✓


bKreb’s cycle

✖


cLight dependent phase

✖


dnone of these

✖


View Answer Glycolysis

Cellular respiration is essentially a/an _____________ process?


aOxidation

✓


bReduction

✖


cRedox

✖


dNone of the above

✖


View Answer Oxidation

From one pyruvate passing through Kreb’s cycle, how many NADH are formed?


a1

✖


b2

✖


c3

✓


d4

✖


View Answer 3

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