Identify the group of fungi that is not correctly matched with all the characters given below:
(1) |
Phycomycetes: |
Mycelium – aseptate and coenocytic / Asexual reproduction by motile zoospores or by nonmotile aplanospores / spores – endogenously produced in the sporangium |
(2) |
Ascomycetes: |
Mycelium – unbranched and septate / Asexual spores are conidia / Conidia produced endogenously on conidiophores. |
(3) |
Basidiomycetes: |
Mycelium–branched and septate / Asexual spores are generally not found. |
(4) |
Deuteromycetes: |
Only the asexual or vegetative phase of these fungi are known. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the names of the scientists with contribution and choose your answer from the codes given below:
|
Scientists |
|
Contribution |
I. |
Beijerinek |
1. |
Gave the name ‘virus’ |
II. |
Luc Montagnier |
2. |
Gave the term ‘conragium vivum fluidum’ |
III. |
Pasteur |
3. |
Discovered bacteriophages |
IV. |
Twort |
4. |
Crystallized TMV |
V. |
Stanley |
5. |
Isolated HIV |
Codes:
|
I |
II |
III |
IV |
V |
(1) |
2 |
5 |
1 |
3 |
4 |
(2) |
2 |
3 |
1 |
5 |
4 |
(3) |
4 |
5 |
1 |
3 |
2 |
(4) |
4 |
3 |
1 |
5 |
2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrect statement:
1. Virus has a protein coat called capsid made of small subunits called capsomeres.
2. The core has the genetic material - either RNA or DNA or both.
3. The capsomeres are arranged in helical or icosahedral forms.
4. Viruses can infect any type of organism.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySaprophytic protists are:
1. Slime moulds
2. Dinoflagellates
3. Chrysophytes
4. Protozoans
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements regarding Euglenoids is not true?
(1) Instead of a cell wall, they have a lipid rich pellicle
(2) They have two flagella, a short and a long one
(3) They are photosynthetic in the presence of sunlight but behave like a heterotroph when deprived of sunlight
(4) Pigments of Euglenoids are identical to those present in higher plants
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the incorrectly matched pair:
1. Diatoms: Chief producers in oceans
2. Dinoflagellates: Red tides
3. Slime moulds: Spores dispersed by water
4. Euglenoids: Protein rich pellicle
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe domain Archaea is not characterized by:
(1) Pseudopeptidoglycan in cell wall
(2) Linear chromosomes
(3) Introns present is some genes
(4) Methanogeneisis as unique metabolism
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMembers of Kingdom Protista:
1. are primarily aquatic
2. do not have membrane bound organelles
3. are all ciliated or flagellated
4. reproduce exclusively by asexual means
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch each item in Column I with one in Column II and select your answer from the codes given below:
Column I |
|
Column II |
|
A. |
Diatoms |
a. |
Protein-rich layer of pellicle |
B. |
Dinoflagellates |
b. |
Cell wall embedded with silica |
C. |
Euglenoids |
c. |
Spores with true walls |
D. |
Slime moulds |
d. |
Cellulose plates in the cell wall |
Codes:
A |
B |
C |
D |
|
1. |
b |
a |
c |
d |
2. |
b |
d |
a |
C |
3. |
b |
c |
a |
d |
4. |
b |
a |
d |
c |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAll the following statements regarding Basidiomycetes are correct except:
1. The mycelium is branched and septate
2. Asexual spores and vegetative reproduction generally not found
3. Sex organs are absent
4. Basidiospores are exogenously produced on the basidium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology