631. Cellulose is the major component of cell walls of

A Pythium
B Xanthomonas
C Pseudomonas
D Saccharomyces
Answer :   Pythium
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632. The site for protein synthesis in plants in the

A Chloroplast
B Ribosomes
C Pyrenoids
D Mitochondria
Answer :   Ribosomes
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633. The link between successive generation is

A Nucleus
B Cytoplasm
C Chromosomes
D Nucleic acid
Answer :   Nucleic acid
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634. 70s type of ribosomes found un

A Prokaryotic cells
B Prokaryotic cells , chlorolasts and mitochondria
C Mitochondria
D Nucleus, mitochondria
Answer :   Prokaryotic cells , chlorolasts and mitochondria
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635. How many longitudinal perpheral fibres found in a centriole

A 2
B 9
C 5
D 7
Answer :   9
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636. Which of the following transport the cell wall material from dityosome

A Micirotubules
B Microfilanent
C E. R.
D Microbodies
Answer :   Micirotubules
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637. Plant with minimum number of chomosomes is

A Haplopappus gracillis
B Salix tetrasperma
C Poa
D Cynodon
Answer :   Haplopappus gracillis
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638. Cell wall is absent in :

A Funaria
B Mycoplasma
C Nostoc
D Aspergillus
Answer :   Mycoplasma
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639. In bacteria the codon AUG stands for

A Glycine
B Methionine
C N-formyl methionine
D Alanine
Answer :   N-formyl methionine
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640. Power house of cell is

A Nucleus
B DNA
C Mitochondria
D ATP
Answer :   Mitochondria
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