Which of the following statements is incorrect?
1. Yeasts have filamentous bodies with long thread-like hyphae
2. Morels and truffles are edible delicacies
3. Claviceps is a source of many alkaloids and LSD
4. Conidia are produced exogenously and ascopores endogenously
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the Column-I with Column-II
|
Column-I |
|
Column-II |
(a) |
Saprophyte |
(i) |
Symbiotic association of fungi with plant roots |
(b) |
Parasite |
(ii) |
Decomposition of dead organic materials |
(c) |
Lichens |
(iii) |
Living on living plants or animals |
(d) |
Mycorrhiza |
(iv) |
Symbiotic association algae and fungi |
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (iii) (iv) (i)
2. (i) (ii) (iii) (iv)
3. (iii) (ii) (i) (iv)
4. (ii) (i) (iii) (iv)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is incorrect?
1. Prions consist of abnormally folded proteins
2. Viroids lack a protein cost
3. Viruses are obligate parasites
4. Infective consituent in viruses is the protein coat
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe causative agent of mad-cow disease is a:
1. bacterium
2. prion
3. worm
4. virus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyEvolutionary history of an organism is known as:
1. Phylogeny
2. Ancestry
3. Palaeontology
4. Ontogeny
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhat is common about Trypanosoma, Noctiluca, Monocystis and Giardia?
1. These are all unicellular protists
2. They have flagella
3. They produce spores
4. These are all parasites
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe thalloid body of a slime mould (Myxomycetes) is known as :
1. protonema
2. Plasmodium
3. fruiting body
4. mycelium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyT.O. Diener discovered a
1. free infectious RNA
2. free infectious DNA
3. infectious protein
4. bacteriophage
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyInfectious proteins are present in
1. geminiviruses
2. prions
3. viroids
4. satellite viruses
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyVirus envelope is known as
1. caspid
2. virion
3. nucleoprotein
4. core
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology