Phenomenon called Alternation of generation is found in –
a. Protista
b. Fungi
c. Plantae
d. More than one options are correct
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyLichens, viruses, viroids and prions have been included in the kingdom –
a. Monera
b. Protista
c. Plantae
d. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyViruses did not find a place in classification because –
a. They do not possess a cellular structure
b. They can be crystallized
c. They do not divide outside the cell
d. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is incorrect?
a. No virus contains both RNA and DNA.
b. A virus is a nucleoprotein and the genetic material is infectious.
c. Bacterial viruses or bacteriophages are usually single stranded DNA viruses
d. Viruses are inert outside their specific host cell.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is incorrect with respect to capsid?
a. Capsid is the outermost covering of most of the viruses.
b. Capsid is made up of capsomeres.
c. Capsid protects the genetic material
d. Capsomeres are arranged in random geometric forms.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following pathogenic disease could have the symptoms like mosaic formation, leaf rolling and curling, yellowing and vein clearing, dwarfing and stunted growth?
a. Viral
b. Bacterial
c. Fungal
d. Deficiency syndrome.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPotato Spindle Tuber disease is caused by –
a. Virus
b. Viroid
c. Prion
d. Fungus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is incorrect?
a. Viroids are smaller than viruses.
b. Viroid was found to be a free RNA.
c. The RNA of the viroid is of high molecular weight.
d. In 1971, T.O. Diener discovered it.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following disease is not caused by Prions?
a. Bovine spongiform encephalopathy (BSE) in cattles
b. Cr–Jacob disease (CJD) in humans.
c. Mad cow disease in cattle
d. Potato Spindle Tuber disease
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is correct?
a. Fungi prepare food for algae.
b. Fungi provide shelter and absorb mineral nutrients and water for its partner.
c. The algal component is known as mycobiont and fungal component as phycobiont,
d. Lichens are symbiotic associations between algae and fungi which are heterotrophic and autotrophic, respectively.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology