Biology 9 Chapter 5 - Cell Cycle - 9

Biology 9 Chapter 5 - Cell Cycle - 9

1. The phenomenon of crossing over was observed by?

a) Pastuer
b) Morgan
c) Mendel
d) Schwan

2. The metaphase plate is formed during?

a) Metaphase
b) Anaphase
c) Prophase
d) Telophase

3. Crossing over was observed in?

a) 1931
b) 1911
c) 1901
d) 1921

4. The chromosomes are pulled towards the opposite poles in Meiosis during?

a) Telophase I
b) Metaphase I
c) Anaphase I
d) Prophase I

5. T.H Morgan was an?

a) Arabian Chemist
b) American Geneticist
c) None of these
d) Australian Physicist

6. The phenomenon of crossing over was first observed in?

a) Butterfly
b) Fruit fly
c) House fly
d) White fly

7. The spindle network disappears in meiosis during?

a) Metaphase
b) Prophase
c) Telophase
d) Anaphase

8. In meiosis, chromosomes uncoil back into chromatin during?

a) Telophase
b) Metaphase
c) Anaphase
d) Prophase

9. During crossing over, genetic material is exchanged between?

a) Sister chromatids of homologous chromosomes
b) Non-sister chromatids of non-homologous chromosomes
c) Sister chromatids of non-homologous chromosomes
d) Non-sister chromatids of homologous chromosomes

10. After Meiosis I, both haploid daughter cells enter a period of
rest known as?

a) Interkinesis
b) Karyokinesis
c) Cytokinesis
d) Mitosis

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