Which of the following cells are not constantly replaced?

 

1.      Blood cells

 

2.      Cells of inner lining of gut

 

3.      Brain cells

 

4.     The cells of the upper layer of Epidermis

Subtopic:  Intro to Cell Cycle & Interphase |
 88%
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Mitotic divisions which result in continuous growth of plants throughout their life

1.      In the meristematic tissue

2.      Apical and lateral cambium

3.      Both A and B

4.     Cells of maturation zone of root

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
 83%
From NCERT
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The specialized kind of cell division that reduces the chromosome number by half results in the production of haploid phase in the life cycle is

 

1.      Meiosis

 

2.      Mitosis

 

3.      Amitosis

 

4.     Karyomitosis

Subtopic:  Cell Cycle: Meiosis I |
 93%
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Meiosis does not involve

 

1.      Meiosis 1

 

2.      Meiosis 2

 

3.      Two interphases

 

4.     Interkinesis

Subtopic:  Cell Cycle: Meiosis I |
 90%
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Meiosis has

 

1.      Only a single cycle of DNA replication

 

2.      Two cycles of DNA replication

 

3.      One cycle of DNA replication in interkinesis

 

4.     One cycle of DNA replication after interkinesis

Subtopic:  Cell Cycle: Meiosis I |
 81%
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Replication of DNA in S phase results in

 

1.      Production of identical sister chromatids

 

2.      Production of identical homologous chromosomes

 

3.      Production of non-sister chromatids

 

4.     Production of non-identical chromosomes

Subtopic:  Intro to Cell Cycle & Interphase |
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The event of recombination will occur in between

 

1.      All chromatids of homologous chromosomes

 

2.      Only non-sister chromatids of homologous chromosomes

 

3.      The complete homologous chromosomes

 

4.     All type of chromosomes

Subtopic:  Cell Cycle: Meiosis I |
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The division of Prophase in the five phases is done on the basis of

 

1.      Chromosomal behavior

 

2.      Chromosomal pattern

 

3.      Chromosomal movement

 

4.     Chromosome structure

Subtopic:  Cell Cycle: Meiosis I |
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Which of the following does not belong to Prophase I

1.      Leptotene

2.      Zygotene

3.      Diakinesis

4.     Interkinesis

Subtopic:  Cell Cycle: Meiosis I |
 96%
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Compaction of chromosomes occurs in

 

1.      Leptotene

 

2.      Zygotene

 

3.      Diplotene

 

4.     Metaphase

Subtopic:  Cell Cycle: Meiosis I |
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