1.
The main function of lysosome is
A.
Sexual reproduction
B.
Extracellular digestion
C.
Inracellular digestion
D.
Both B and C
Answer :
Both B and C
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2.
Kinetin (Cytokinin ) increase the rate of mitosis by reducing the duration of
A.
Interphase
B.
Meta phase
C.
Anaphase
D.
Telophase
Answer :
Interphase
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3.
Decision of cell division occurs at
A.
Starting of G1
B.
End of G1
C.
Initial stage of prophase
D.
End of telophase
Answer :
End of G1
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4.
During the metaphase stage of mitosis spindle fibres attach to chromosomes at
A.
Centromere
B.
Kinetochore
C.
Both centromere and kinetochore
D.
Centromere, kinetochore and areas adjoining centromere
Answer :
Kinetochore
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5.
What happens in interkinesis
A.
DNA-replication
B.
Chromosome duplication
C.
Preparation of second meiotic division
D.
Resting stage
Answer :
Preparation of second meiotic division
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6.
Site of meiosis Angiosperms
A.
Meristem
B.
Spore Mother cell
C.
Roots
D.
Petals or Pollen
Answer :
Spore Mother cell
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7.
The enzyme recombinase is required at which stage of meiosis:
A.
Pachytene
B.
Zygotene
C.
Diplotene
D.
Diakinesis
Answer :
Pachytene
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8.
In a bacterial cell the respiratory enzymes are found is
A.
Mitochondria
B.
Chondrisome
C.
Mesosome
D.
Centrosome
Answer :
Mesosome
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9.
Gap between meisis - I and II is called
A.
Interphase
B.
Interkinesis
C.
Diakinesis
D.
Metakinesis
Answer :
Interkinesis
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10.
Spindile fibers which extend from pole to kinetochores are
A.
Chromosomal or tractile fibers
B.
Interzonal fibers
C.
Supporint fibers
D.
Astral rays
Answer :
Chromosomal or tractile fibers
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