Given:
1. Chromatid 2. Monad
3. Dyad 4. Daughter chromosome
The correct sequence in cell division is:
(a) 1, 2, 3, 4 (b) 2, 3, 1, 4 (c) 3, 2, 1, 4 (d) 4, 3, 2, 1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytokinesis in animal cell takes place by _______; in _______ direction while in plant cell by _______; in _______ direction:
(1) Furrowing, centrifugal, cell plate, centripetal
(2) Furrowing, centripetal, cell plate, Centrifugal
(3) Cell plate, centrifugal, furrowing, centripetal
(4) Cell plate, centripetal, furrowing, centrifugal
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLiquid endosperm in coconut is resulted due to:
(1) Karyokinesis followed by cytokinesis
(2) Failure of karyokinesis followed by cytokinesis
(3) Karyokinesis twice followed by single cytokinesis
(4) Karyokinesis is not followed by cytokinesis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLabel the structure indicated by lines (i), (ii), (iii) and (iv):
(1) (i) - Chromatid, (ii) Centriole, (iii) Centromere, (iv) Chromosome
(2) (i) - Chromomosome, (ii) Centriole, (iii) Centromere, (iv) Chromatid
(3) (i) - Chromatid, (ii) Centromere, (iii) Centriole, (iv) Chromosome
(4) (i) - Chromomosome, (ii) Centromere, (iii) Centriole, (iv) Chromatid
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe members of a homologous pair of chromosomes:
(1) Are identical in size and appearance
(2) Contain identical genetic information
(3) Separate to opposite poles of the cell during mitosis
(4) Are found only in haploid cells
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOne difference between mitosis and meiosis I is that:
(1) Homologous chromosome pairs synapse during mitosis
(2) Chromosome do not replicate in the interphase preceding meiosis
(3) Homologous chromosomes pairs synapse during meiosis but not mitosis
(4) Spindle composed of microtubules are not required during meiosis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChromosome number is reduced during meiosis because the process consists of:
(1) Two cell divisions without any chromosome replication
(2) A single cell division without any chromosome replication
(3) Two cell divisions in which half of the chromosomes are destroyed
(4) Two cell divisions and only a single round of chromosome replication
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is false?
(1) The mitotic spindle is composed of microtubules
(2) In plant cells, cytokinesis is accomplished by the formation of a cell plate
(3) The distribution of mitochondria between the daughter cells during cytokinesis is random
(4) Chromatin condenses to form discrete, visible chromosomes early in G1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA reduction step during meiosis is important because:
(1) It returns the chromosome number to normal before fertilization
(2) There is a mechanism for this
(3) Only one copy of each chromosome is necessary
(4) Otherwise chromosome copies would double each fertilization
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements about meiosis is false?
(1) Haploid cells cannot divide meiotically
(2) DNA replication does not occur during interkinesis
(3) Assortment of homologous chromosomes on the equatorial plate during metaphase I is independent
(4) Of the four cells produced by meiosis, none are genetically identical to the parent cells but two are identical to each other
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology