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CBSE biology 2005
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Questions for CBSE biology 2005 exam
Q:1)
Corpus luteum secretes:
A
LH
Incorect !
B
Estrogen
Incorect !
C
Progesterone
Incorect !
D
FSH
Correct !
Answer:
D
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Q:2)
Which part of sperm contains enzymses that help in fertilization of ovum ?
A
Acrosome
Correct !
B
Neck
Incorect !
C
Head
Incorect !
D
Middle piece
Incorect !
Answer:
A
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Q:3)
In pregnancy corpus luteum:
A
Persists
Incorect !
B
Does not persist
Correct !
C
Dagenerated
Incorect !
D
Absent
Incorect !
Answer:
B
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Q:4)
Primary spermatocyte produces 4 spermatozoa, but primary oocyte produces
A
1 Ovum
Incorect !
B
2 Ova
Correct !
C
3 Ova
Incorect !
D
4 Ova
Incorect !
Answer:
B
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Q:5)
The portion of the sperms as its power house is the
A
Head
Incorect !
B
Neck
Incorect !
C
Middle piece
Correct !
D
Tail
Incorect !
Answer:
C
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Q:6)
Citric acid is obtained from____
aspergillus niger
A
Aspergillum niger
Correct !
B
polyporus
Incorect !
C
pencillium notatum
Incorect !
D
saccharomyces cerevisiae
Incorect !
Answer:
A
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CBSE biology 2005 Overview
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