267323
Assertion : Viruses are not considered as organism.
Reason: Viruses are nucleoproteins and lack cell organelle.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Virus is a small infectious agent that can only replicate inside the cells of another organism. Viruses are not considered as organisms as they have no independent machinery.
NCERT Page-26
Biological Classification
267324
Assertion : Neurospora is commonly used in biochemical and genetic work.
Reason: It belongs to basidomycetes fungi.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Neurospora belongs to class ascomycetes in which ascospores are produced in sac like 'asci'. Neurospora is commonly called as pink or red bread mould. It can be grown easily in laboratory coñditions so, used in genetics experiments.
Biological Classification
267325
Assertion : Chemosynthesis is an autotrophic nutrition.
Reason: Chemoautotrophs contain chlorophyll pigments.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Chemoautotrophs developed the ability to synthesise organic molecules from inorganic raw materials. Chlorophyll pigments are present in photoautotrophs. The photoautotrophs utilise the solar energy absorbed by them in synthesising organic compounds. Certain chemoautotrophs include green sulphur bacteria.
Biological Classification
267326
Assertion : Two kingdom classification was insufficient.
Reason: Majority of organisms did not fall into either of categories in two kingdom classification.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Two kingdom classification (founded by Linnaeus) worked a long time. But this system did not distinguish between karyotes and prokaryotes, unicellular and multicellular ..ms, photosynthetic and nonphotosynthetic organisms..., classification of organism (into plants and animals) was one and was easy to understand, but a large number of .. did not fall into either category. Hence, the two kingdom ..ation used for a long time was.found inadequate.
Biological Classification
267327
Assertion : Sporozoans includes diverse organism.
Reason: Most notorious is plasmadium.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(a) Sporozoans are endoparasites. The body is covered with pellicle or cuticle.
267323
Assertion : Viruses are not considered as organism.
Reason: Viruses are nucleoproteins and lack cell organelle.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Virus is a small infectious agent that can only replicate inside the cells of another organism. Viruses are not considered as organisms as they have no independent machinery.
NCERT Page-26
Biological Classification
267324
Assertion : Neurospora is commonly used in biochemical and genetic work.
Reason: It belongs to basidomycetes fungi.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Neurospora belongs to class ascomycetes in which ascospores are produced in sac like 'asci'. Neurospora is commonly called as pink or red bread mould. It can be grown easily in laboratory coñditions so, used in genetics experiments.
Biological Classification
267325
Assertion : Chemosynthesis is an autotrophic nutrition.
Reason: Chemoautotrophs contain chlorophyll pigments.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Chemoautotrophs developed the ability to synthesise organic molecules from inorganic raw materials. Chlorophyll pigments are present in photoautotrophs. The photoautotrophs utilise the solar energy absorbed by them in synthesising organic compounds. Certain chemoautotrophs include green sulphur bacteria.
Biological Classification
267326
Assertion : Two kingdom classification was insufficient.
Reason: Majority of organisms did not fall into either of categories in two kingdom classification.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Two kingdom classification (founded by Linnaeus) worked a long time. But this system did not distinguish between karyotes and prokaryotes, unicellular and multicellular ..ms, photosynthetic and nonphotosynthetic organisms..., classification of organism (into plants and animals) was one and was easy to understand, but a large number of .. did not fall into either category. Hence, the two kingdom ..ation used for a long time was.found inadequate.
Biological Classification
267327
Assertion : Sporozoans includes diverse organism.
Reason: Most notorious is plasmadium.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(a) Sporozoans are endoparasites. The body is covered with pellicle or cuticle.
267323
Assertion : Viruses are not considered as organism.
Reason: Viruses are nucleoproteins and lack cell organelle.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Virus is a small infectious agent that can only replicate inside the cells of another organism. Viruses are not considered as organisms as they have no independent machinery.
NCERT Page-26
Biological Classification
267324
Assertion : Neurospora is commonly used in biochemical and genetic work.
Reason: It belongs to basidomycetes fungi.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Neurospora belongs to class ascomycetes in which ascospores are produced in sac like 'asci'. Neurospora is commonly called as pink or red bread mould. It can be grown easily in laboratory coñditions so, used in genetics experiments.
Biological Classification
267325
Assertion : Chemosynthesis is an autotrophic nutrition.
Reason: Chemoautotrophs contain chlorophyll pigments.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Chemoautotrophs developed the ability to synthesise organic molecules from inorganic raw materials. Chlorophyll pigments are present in photoautotrophs. The photoautotrophs utilise the solar energy absorbed by them in synthesising organic compounds. Certain chemoautotrophs include green sulphur bacteria.
Biological Classification
267326
Assertion : Two kingdom classification was insufficient.
Reason: Majority of organisms did not fall into either of categories in two kingdom classification.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Two kingdom classification (founded by Linnaeus) worked a long time. But this system did not distinguish between karyotes and prokaryotes, unicellular and multicellular ..ms, photosynthetic and nonphotosynthetic organisms..., classification of organism (into plants and animals) was one and was easy to understand, but a large number of .. did not fall into either category. Hence, the two kingdom ..ation used for a long time was.found inadequate.
Biological Classification
267327
Assertion : Sporozoans includes diverse organism.
Reason: Most notorious is plasmadium.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(a) Sporozoans are endoparasites. The body is covered with pellicle or cuticle.
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Biological Classification
267323
Assertion : Viruses are not considered as organism.
Reason: Viruses are nucleoproteins and lack cell organelle.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Virus is a small infectious agent that can only replicate inside the cells of another organism. Viruses are not considered as organisms as they have no independent machinery.
NCERT Page-26
Biological Classification
267324
Assertion : Neurospora is commonly used in biochemical and genetic work.
Reason: It belongs to basidomycetes fungi.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Neurospora belongs to class ascomycetes in which ascospores are produced in sac like 'asci'. Neurospora is commonly called as pink or red bread mould. It can be grown easily in laboratory coñditions so, used in genetics experiments.
Biological Classification
267325
Assertion : Chemosynthesis is an autotrophic nutrition.
Reason: Chemoautotrophs contain chlorophyll pigments.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Chemoautotrophs developed the ability to synthesise organic molecules from inorganic raw materials. Chlorophyll pigments are present in photoautotrophs. The photoautotrophs utilise the solar energy absorbed by them in synthesising organic compounds. Certain chemoautotrophs include green sulphur bacteria.
Biological Classification
267326
Assertion : Two kingdom classification was insufficient.
Reason: Majority of organisms did not fall into either of categories in two kingdom classification.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Two kingdom classification (founded by Linnaeus) worked a long time. But this system did not distinguish between karyotes and prokaryotes, unicellular and multicellular ..ms, photosynthetic and nonphotosynthetic organisms..., classification of organism (into plants and animals) was one and was easy to understand, but a large number of .. did not fall into either category. Hence, the two kingdom ..ation used for a long time was.found inadequate.
Biological Classification
267327
Assertion : Sporozoans includes diverse organism.
Reason: Most notorious is plasmadium.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(a) Sporozoans are endoparasites. The body is covered with pellicle or cuticle.
267323
Assertion : Viruses are not considered as organism.
Reason: Viruses are nucleoproteins and lack cell organelle.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Virus is a small infectious agent that can only replicate inside the cells of another organism. Viruses are not considered as organisms as they have no independent machinery.
NCERT Page-26
Biological Classification
267324
Assertion : Neurospora is commonly used in biochemical and genetic work.
Reason: It belongs to basidomycetes fungi.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Neurospora belongs to class ascomycetes in which ascospores are produced in sac like 'asci'. Neurospora is commonly called as pink or red bread mould. It can be grown easily in laboratory coñditions so, used in genetics experiments.
Biological Classification
267325
Assertion : Chemosynthesis is an autotrophic nutrition.
Reason: Chemoautotrophs contain chlorophyll pigments.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(b) Chemoautotrophs developed the ability to synthesise organic molecules from inorganic raw materials. Chlorophyll pigments are present in photoautotrophs. The photoautotrophs utilise the solar energy absorbed by them in synthesising organic compounds. Certain chemoautotrophs include green sulphur bacteria.
Biological Classification
267326
Assertion : Two kingdom classification was insufficient.
Reason: Majority of organisms did not fall into either of categories in two kingdom classification.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(d) Two kingdom classification (founded by Linnaeus) worked a long time. But this system did not distinguish between karyotes and prokaryotes, unicellular and multicellular ..ms, photosynthetic and nonphotosynthetic organisms..., classification of organism (into plants and animals) was one and was easy to understand, but a large number of .. did not fall into either category. Hence, the two kingdom ..ation used for a long time was.found inadequate.
Biological Classification
267327
Assertion : Sporozoans includes diverse organism.
Reason: Most notorious is plasmadium.
1 Both (A) and (R) are correct but (R) is not the correct explanation of (A)
2 (A) is correct but (R) is not correct
3 (A) is not correct but (R) is correct
4 Both (A) and (R) are correct and (R) is the correct explanation of (A)
Explanation:
(a) Sporozoans are endoparasites. The body is covered with pellicle or cuticle.