which of the following structures helps in the respiration of lichens?

(1) Soredia

(2) Isidia

(3) Cyphella

(4) Cephalodia

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Viroids have

(1) single stranded RNA not enclosed by protein coat

(2) single stranded DNA not enclosed by protein coat

(3) double straded DNA enclosed by protein coat

(4) double stranded RNA enclosed by protein coat

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Which one of the following pairs is correctly matched?

(1)

Rhizobium      

- Parasite in the roots of leguminous plants

(2)

Mycorrhizae

- Mineral uptake from soil

(3)

Yeast

- Production of biogas

(4)  

Myxomycetes     

- The disease ring worm

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Which one of the following categories of organisms do not evolve oxygen during photosynthesis?

(1) Red algae

(2) Photosynthetic bacteria

(3) C4 plants with Kranz anatomy

(4) Blue green algae

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Which one of the following is correctly matched regarding an Institute and its location?

(1) National Institute of Virology - Pune

(2) National Institute of Communicable Diseases-Lucknow

(3) Central Drug Research Institute-Kasauli

(4) National Institute of Nutrition-Mumbai

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Myxomycetes are

(1) saprobes or parasites, having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes

(2) slimy mass of multinucleate protoplasm, having pseudopodia-like structures for engulfing food, reproduction through fragmentation or zoospores

(3) prokaryotic organisms, cellular or acellular, saprobes or autotrophic, reproduce by binary fission

(4) eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by fusion of two cells or their nuclei

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In prokaryotes, chromatophores are

(1) specialized granules responsible for colouration of cells

(2) structures responsbile for organizing the shape of the organism

(3) inclusion bodies lying free inside the cells for carrying out various metabolic activities

(4) internal membrane systems that may become extensive and complex in photosynthetic bacteria

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Among rust, smut and mushroom, two of them 

(1) are pathogens

(2) are saprobes

(3) bear ascocarps

(4)  bear basidiocarps

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Which of the following is correct match?

 

Disease

Pathogen

(1)

Wilt disease

Synchytrium

(2)

Citrus canker

Xanthomonas

(3)

Red rot of sugarcane    

Ustilago

(4)  

Powdery mildew

Fusarium

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Which one of the following pairs is not correctly matched?

(1)

Streptomyces     

- Antibiotic

(2)

Serratia

- Drug addiction

(3)

Spirulina

- Single cell protein

(4)  

Rhizobium     

- Biofertilizer

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