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Question-1
Number of chromatids at metaphase is
(A)
two each in mitosis and meiosis
(B)
two in mitosis and four in meiosis
(C)
two in mitosis and four in meiosis
(D)
one in mitosis and two in meiosis
Question-2
Name of Schleiden and Schwann are associated with.
(A)
Protoplasm as the physical basis of life
(B)
Cell theory
(C)
Theory of cell lineage
(D)
Nucleus functions as control centre of cell
Question-3
An outer covering membrane is absent over
(A)
Nucleous
(B)
Lysosome
(C)
Mitochondrion
(D)
Plastids
Question-4
Binding of specific protein on regulatory DNA sequence can be studied by means of.
(A)
Ultra contrifugation
(B)
Electron microscope
(C)
Light microscope
(D)
X-ray crystallography
Question-5
Ribosomes are the centre for
(A)
Respiration
(B)
Photosynthesis
(C)
Protein synthesis
(D)
Fat synthesis
Question-6
Oxysomes or F
0
-F
1
particles occur on.
(A)
Thylakoids
(B)
Mitochondrial surface
(C)
Inner mitochondrial membrane
(D)
Chloroplast surface
Question-7
Plasma membrane is made up of
(A)
Proteins and carbohydrates
(B)
Proteins and lipids
(C)
Proteins, lipids and carbohydrates
(D)
Proteins, some nucleic acid and lipids
Question-8
Experiments on Acetabularia by Hammerling proved the role of.
(A)
Cytoplasm in controlling differentiation
(B)
Nucleus in heredity
(C)
Chromosomes in heredity
(D)
nucleo - cytoplasmic ratio
Question-9
Which one is apparato reticulare interno?
(A)
Golgi apparatus
(B)
Endoplasmic reticulum
(C)
Micro filaments
(D)
Microtubules
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Cambridge Advanced Grade 12
IGCSE
Practice in Related Chapters
Transport in Plants
Regulations and Control
DNA and Protein Synthesis
The Molecules of Life
Photosynthesis and Plant Nutrition
Enzymes
Genetics
Cell
Cell Division
Ecology
Animal Nutrition
Reproduction in Animals
Gas Exchange
Evolution
Transport in Mammals
Respiration
Heterotrophic Nutrition
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