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Question-1
Meiosis I is reductional division. Meiosis II is
equational division due to
(A)
pairing of homologous chromosomes
(B)
crossing over
(C)
separation of chromatids
(D)
disjunction of homologous chromosomes.
Question-2
Meiosis II performs
(A)
separation of sex chromosomes
(B)
synthesis of DNA and centromere
(C)
separation of homologous chromosomes
(D)
separation of chromatids.
Question-3
In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to
(A)
segregation, independent assortment and crossing over
(B)
segregation and crossing over
(C)
independent assortment and crossing over
(D)
segregation and independent assortment.
Question-4
When paternal and maternal chromosomes change their materials with each other in cell division
this event is called
(A)
bivalent-forming
(B)
dyad-forming
(C)
synapsis
(D)
crossing-over.
Question-5
Which of the following represents the best stage
to view the shape, size and number of
chromosomes?
(A)
prophase
(B)
metaphase
(C)
interphase
(D)
telophase.
Question-6
Segregation of Mendelian factor (Aa) occurs during
(A)
diplotene
(B)
anaphase I
(C)
zygotene/pachytene
(D)
anaphase II.
Question-7
During cell division in apical meristem, the nuclear membrane appears in
(A)
telophase
(B)
cytokinesis
(C)
metaphase
(D)
anaphase.
Question-8
Number of chromatids at metaphase is
(A)
two each in mitosis and meiosis
(B)
two in mitosis and one in meiosis
(C)
two in mitosis and four in meiosis
(D)
one in mitosfs and two in meiosis.
Question-9
Mitotic anaphase differs from metaphase in possessing
(A)
same number of chromosomes and same number of chromatids
(B)
half number of chromosomes and half number of chromatids
(C)
half number of chromosomes and same number of chromatids
(D)
same number of chromosomes and half number of chromatids. (1991)
Question-10
Microtubule is involved in the
(A)
muscle contraction
(B)
membrane architecture
(C)
cell division
(D)
DNA recognition.
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Plus 2 Biology Science
CBSE
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Cell Reproduction
Human Genetics & Genetic Disorders
Mendelian & Postmendelian Genetics
Genes & Chromosomes
Biomolecules
Enzymes
Cell Respiration
Cell Respiration
Kingdom Fungi
Aging And Death
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Evolution
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