285836
Bacteria are found to be primitive organisms because they
1 are small, microscopic whichare not seen with naked eye.
2 cause serious diseases to human being, domestic animals and crop plants.
3 produceendospores which are very resistant to adverse conditions.
4 possess incipient nucleus and show amitotic division.
Explanation:
(d) Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. Bacteria are found to be primitive organisms because they do not have well-defined nucleus and shows amitotic division.
NCERT Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285837
Choose the correct names of the different bacteria given below according to their shapes
1 A-Cocci, B - Bacilli, C -Spirilla, D – Vibrio
2 A - Bacilli, B - Cocci, C -Spirilla, D - Vibrio
3 A -Spirilla, B - Bacilli, C - Cocci, D - Vibrio
4 A -Spirilla, B - Vibrio, C - Cocci, D - Bacilli
Explanation:
(a) A - Cocci (spherical), B - Bacilli (rod shaped), C Spirilla (spiral), D - Vibrio (comma shaped). These are all the shapes of the bacteria.
NCERT: Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285838
In five-kingdom classification system, the kingdom that includes the blue-green algae, nitrogen-fixing bacteria and methanogenicarchaebacteria is
1 Plantae
2 Protista
3 Fungi
4 Monera
Explanation:
(c)
BIOLOGICAL CLASSIFICATION(NCERT)
285839
_____ is the most common method of reproduction in bacteria.
1 Binary fission
2 Conjugation
3 Endospore formation
4 Sexual reproduction
Explanation:
(a) Binary fission is most common method of reproduction in bacteria.
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BIOLOGICAL CLASSIFICATION(NCERT)
285836
Bacteria are found to be primitive organisms because they
1 are small, microscopic whichare not seen with naked eye.
2 cause serious diseases to human being, domestic animals and crop plants.
3 produceendospores which are very resistant to adverse conditions.
4 possess incipient nucleus and show amitotic division.
Explanation:
(d) Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. Bacteria are found to be primitive organisms because they do not have well-defined nucleus and shows amitotic division.
NCERT Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285837
Choose the correct names of the different bacteria given below according to their shapes
1 A-Cocci, B - Bacilli, C -Spirilla, D – Vibrio
2 A - Bacilli, B - Cocci, C -Spirilla, D - Vibrio
3 A -Spirilla, B - Bacilli, C - Cocci, D - Vibrio
4 A -Spirilla, B - Vibrio, C - Cocci, D - Bacilli
Explanation:
(a) A - Cocci (spherical), B - Bacilli (rod shaped), C Spirilla (spiral), D - Vibrio (comma shaped). These are all the shapes of the bacteria.
NCERT: Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285838
In five-kingdom classification system, the kingdom that includes the blue-green algae, nitrogen-fixing bacteria and methanogenicarchaebacteria is
1 Plantae
2 Protista
3 Fungi
4 Monera
Explanation:
(c)
BIOLOGICAL CLASSIFICATION(NCERT)
285839
_____ is the most common method of reproduction in bacteria.
1 Binary fission
2 Conjugation
3 Endospore formation
4 Sexual reproduction
Explanation:
(a) Binary fission is most common method of reproduction in bacteria.
285836
Bacteria are found to be primitive organisms because they
1 are small, microscopic whichare not seen with naked eye.
2 cause serious diseases to human being, domestic animals and crop plants.
3 produceendospores which are very resistant to adverse conditions.
4 possess incipient nucleus and show amitotic division.
Explanation:
(d) Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. Bacteria are found to be primitive organisms because they do not have well-defined nucleus and shows amitotic division.
NCERT Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285837
Choose the correct names of the different bacteria given below according to their shapes
1 A-Cocci, B - Bacilli, C -Spirilla, D – Vibrio
2 A - Bacilli, B - Cocci, C -Spirilla, D - Vibrio
3 A -Spirilla, B - Bacilli, C - Cocci, D - Vibrio
4 A -Spirilla, B - Vibrio, C - Cocci, D - Bacilli
Explanation:
(a) A - Cocci (spherical), B - Bacilli (rod shaped), C Spirilla (spiral), D - Vibrio (comma shaped). These are all the shapes of the bacteria.
NCERT: Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285838
In five-kingdom classification system, the kingdom that includes the blue-green algae, nitrogen-fixing bacteria and methanogenicarchaebacteria is
1 Plantae
2 Protista
3 Fungi
4 Monera
Explanation:
(c)
BIOLOGICAL CLASSIFICATION(NCERT)
285839
_____ is the most common method of reproduction in bacteria.
1 Binary fission
2 Conjugation
3 Endospore formation
4 Sexual reproduction
Explanation:
(a) Binary fission is most common method of reproduction in bacteria.
285836
Bacteria are found to be primitive organisms because they
1 are small, microscopic whichare not seen with naked eye.
2 cause serious diseases to human being, domestic animals and crop plants.
3 produceendospores which are very resistant to adverse conditions.
4 possess incipient nucleus and show amitotic division.
Explanation:
(d) Bacteria are microscopic organisms whose single cells have neither a membrane-enclosed nucleus nor other membrane-enclosed organelles like mitochondria and chloroplasts. Bacteria are found to be primitive organisms because they do not have well-defined nucleus and shows amitotic division.
NCERT Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285837
Choose the correct names of the different bacteria given below according to their shapes
1 A-Cocci, B - Bacilli, C -Spirilla, D – Vibrio
2 A - Bacilli, B - Cocci, C -Spirilla, D - Vibrio
3 A -Spirilla, B - Bacilli, C - Cocci, D - Vibrio
4 A -Spirilla, B - Vibrio, C - Cocci, D - Bacilli
Explanation:
(a) A - Cocci (spherical), B - Bacilli (rod shaped), C Spirilla (spiral), D - Vibrio (comma shaped). These are all the shapes of the bacteria.
NCERT: Page-18 / N-12
BIOLOGICAL CLASSIFICATION(NCERT)
285838
In five-kingdom classification system, the kingdom that includes the blue-green algae, nitrogen-fixing bacteria and methanogenicarchaebacteria is
1 Plantae
2 Protista
3 Fungi
4 Monera
Explanation:
(c)
BIOLOGICAL CLASSIFICATION(NCERT)
285839
_____ is the most common method of reproduction in bacteria.
1 Binary fission
2 Conjugation
3 Endospore formation
4 Sexual reproduction
Explanation:
(a) Binary fission is most common method of reproduction in bacteria.
