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Biology-Prev.Year Repeated Questions
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Question-1
The first phase in the breakdown of glucose, in animal cell, is
(A)
fermentation
(B)
Krebs cycle
(C)
Glycolysis
(D)
E.T.S.
Question-2
Incomplete oxidation of glucose into pyruvic acid with several intermediate steps is known as
(A)
TCA-pathway
(B)
glycolysis
(C)
HMS-pathway
(D)
Krebs cycle
Question-3
Link between glycolysis, Krebs cycle and
β
-oxidation of fatty acid or carbohydrate and fat metabolism is
(A)
oxaloacetic acid
(B)
succinic acid
(C)
citric acid
(D)
acetyl CoA
Question-4
NADP
+
is reduced to NADPH is
(A)
HMP
(B)
Calvin cycle
(C)
Glycolysis
(D)
EMP
Question-5
R.Q. is
(A)
C/N
(B)
N/C
(C)
CO
2
/O
2
(D)
O
2
/CO
2
Question-6
End products of aerobic respiration are
(A)
sugar and oxygen
(B)
water and energy
(C)
carbon di oxide, water and energy
(D)
carbon dioxide and energy.
Question-7
Connecting link between glycolysis and Krebs cycle before pyruvate entering Krebs cycle is changed to
(A)
oxaloacetate
(B)
PEP
(C)
pyruvate
(D)
acetyl CoA
Question-8
Out of 36 ATP molecules produced per glucose molecule during respiration
(A)
2 are produced outside glycolysis and 34 during respiratory chain
(B)
2 are produced outside mitochondria and 34 inside mitochondria
(C)
2 during glycolysis and 34 during Krebs cycle
(D)
all are formed inside mitochondria. (1992)
Question-9
At a temperature above 35°C
(A)
rate of photosynthesis will decline earlier than that of respiration
(B)
rate of respiration will decline earlier than that of photosynthesis
(C)
there is no fixed pattern
(D)
both decline simultaneously
Question-10
R.Q. is ratio of
(A)
CO
2
produced to substrate consumed
(B)
co
2
produced to 0
2
consumed
(C)
oxygen consumed to water produced
(D)
oxygen consumed to CO
2
produced.
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Plus 2 Biology Science
CBSE
Practice in Related Chapters
Plant Reproduction
Animal Tissue
Kingdom Monera
Plant Kingdom
Biological Classification
General Biology
Respiratory System
Digestive System And Nutrition
Circulatory System and Immunity
Plant Morphology
Plant Anatomy
Cell Reproduction
Human Genetics & Genetic Disorders
Mendelian & Postmendelian Genetics
Genes & Chromosomes
Biomolecules
Enzymes
Cell Respiration
Cell Respiration
Kingdom Fungi
Aging And Death
Common Human Diseases
Evolution
Drug And Addiction
Reproduction And Embryonic Development
Endocrine System
Excretion And Osmoregulation
Nervous System & Sense Organs
Musculo-Skeletal System
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