MCQ BIOLOGICAL CLASSIFICATION 2 23JUNE2024

 
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#1. Taxon that include common ancestral species called

Both for example Aves have common origin.

#2. Taxon in that organisms evolved from many sources not from the same ancestor termed as

Both for example  Mammalia have organisms from different ancestral line.

#3. Artificial system of classification was first used by

Theophrastus.

#4. What is true about mesosomes

All of the above

#5. Plasmid carry

All of the above. Plasmid is an extrachromosomal DNA present in bacterial cell and the DNA replicate independently.

#6. The process in which genetic material of one bacterium transferred to the another through the agency of bacteriophage is known as

Transduction.

Transformation is the transfer of fraction of genes from donor bacterium to recipient bacteria.

Conjugation is the transfer of DNA from donor to recipient bacteria through conjugation bridge formed between two.

Binnary fission is method of asexual reproduction in bacteria where cytoplasm and nucleoid divide equally into two without mitosis.

#7. Botulism is caused by

Clostridium botulinum. Botulism is food poisoning.

#8. Ray fungi is a name of

Bacteria . Ray fungi is a name of Actinomycetes it is a group of bacteria resemble fungal mycelia.

#9. Bacterial nuclear material does not contain

Histones. Bacterial cell are prokaryotic cell which lack histone protein.

#10. In bacterial cell the site of respiration is

Protoplasmic membrane because it lack cell organelles and the respiratory enzymes are present in protoplasmic membrane.

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