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Question-1
The structural and functional unit of all living organisms is
(A)
organ system
(B)
organs
(C)
tissues
(D)
cell
Question-2
The chromatids uncoil and change into chromatin network, it is the key event in
(A)
Anaphase
(B)
Telophase
(C)
Metaphase
(D)
Prophase
Question-3
The longest phase of cell division is
(A)
Telophase
(B)
Anaphase
(C)
Prophase
(D)
Metaphase
Question-4
The repair of skin after injury is due to
(A)
Mitotic cell division
(B)
Amitotic cell division
(C)
Meiotic cell division
(D)
Both A and B
Question-5
A chromosome having the centromere at the middle is
(A)
Acrocentric
(B)
Metacentric
(C)
Telocentric
(D)
Submetacentric
Question-6
The hereditary vehicle found in the nucleus of a cell is
(A)
DNA
(B)
Chromosomes
(C)
Genes
(D)
Nucleolus
Question-7
The sex chromosomes of human males are briefly expressed as
(A)
XY
(B)
XX
(C)
XO
(D)
YO
Question-8
The egg cells formed in animals is haploid in condition. It is due to
(A)
Mitosis
(B)
Meiosis
(C)
Amitosis
(D)
None of these
Question-9
The division of the cytoplasm of the cell to produce two new cells is
(A)
Karyokinesis
(B)
Cytokinesis
(C)
Diakinesis
(D)
Both a and b
Question-10
The stage at which the spindle fibres attach themselves to the centromere of the chromosome during mitosis is
(A)
Prophase
(B)
Metaphase
(C)
Anaphase
(D)
Telophase
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Std 10
ICSE/ISC
Practice in Related Chapters
Cell Division
Heredity and Genetics
Absorption by Roots
Ascent of Sap
Transpiration
Nervous System in Human Beings
Photosynthesis
Endocrine System
Reproductive System
Sense Organs: Eye and Ear
Basic Biology
Aids to Health
Cell Cycle and Cell Division
Structure of Chromosome
Pollution
Ascent or Rise of Water
Genetics - Some Basic Fundamentals
Population - The Increasing numbers and rising problems
Circulatory System
Health Organisations
Excretory System
Cell Cycle and Cell Division
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