R. Q is ratio of
  • CO produced to substarate consumed
  • CO produced to O
  • oxygen consumed to CO produced
  • oxygen consumed to water produced
Angiosperm pollen is generally released at the
  • 1 – celled stage
  • 2 – celled stage
  • 3 – celled stage
  • male gamete formation stage
The complete oxidation of pyruvate take place in
  • cell cytoplasm
  • inner mitochondrial membrane
  • mitochondrial matrix
  • nucleus
Which enzyme catalyses the reaction below? Pyruvic acid → Carbon dioxide + Ethanol
  • Pyruvic acid decarboxylase
  • Alcohol dehydrogenase
  • None of these
  • Both of these
TCA cycle was discovered by
  • Otto Meyerhof
  • Hans Kreb
  • Gustav Embden
  • All of these
Which one of the following describes the spikelet of a cereal or grass plant
  • inferior ovary
  • dehiscent fruit
  • pair of glumes
  • fused calyx
Malacophily means
  • pollination by wind
  • pollination by water
  • pollination by insects
  • pollination by snails
Herkogamy is a contrivance for
  • allogamy
  • autogamy
  • chasmogamy
  • cleistogamy
Out of 36 ATP molecules produced per glucose molecule during respiration
  • 2 are produced outside glycolysis and 34 during repiratory chain
  • 2 are produced outside mitochondria and 34 inside the mitochondria
  • all the formed inside mitochondria
  • 2 during glycolysis and 34 during kreds cycle
The significant morphological feature of passion flower is the presence of
  • numerous corolla
  • androphore
  • gynophore
  • androgynophore
The final electron acceptor in electron transport chain is
  • Cytochrome C
  • FADH
  • NADH
  • oxygen
Which of the following acts as mobile carrier for transfer of electrons between complex III and complex IV?
  • Cytochrome c
  • cytochrome a3
  • cytochrome a
  • FADH
Aleurone layer takes part in
  • protection of delicate embryo
  • enzyme synthesis
  • transfer of food to cotyledons
  • transfer of food from cotyledons to embryo tips
A characteristic of drupe is
  • fleshy seed coat
  • stony pericarp
  • stony mesocarp
  • stony endocarp
Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is know as
  • TCA pathway
  • Glycolysis
  • Hms pathway
  • None of the above
End product of glycolysis is
  • acetyl Coenzyme A
  • PEP
  • pyruvate
  • OAA
Respiratory enzymes are located in
  • mitochondrial matrix
  • Cristae
  • perimitochondrial space
  • outer membrane
Respiratory quotient of carbohydrates is
  • 0. 9
  • 1. 2
  • 1
  • 0
One molecule of glucose yields ___ ATP molecules in aerobic respiration.
  • 2
  • 16
  • 38
  • 42
Complete the reaction. _________ + O→ CO+ _______ + Energy
  • CHO, 2HO
  • CHO, 6HO
  • CHO, 11HO
  • CHO, 5HO
0 h : 0 m : 1 s

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