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Q. No.Subtopic: Kingdom Monera: Bacterial Life Process |
81%
From NCERT
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The chief producers in the oceans are:
| 1. | Diatoms | 2. | Dinoflagellates |
| 3. | Euglenoids | 4. | Blue green algae |
Subtopic: Kingdom Protista: Chrysophytes |
96%
From NCERT
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A spore-like stage, infective to humans, is seen in the life cycle of:
| 1. | Malarial parasite | 2. | Filaria worm |
| 3. | Liver fluke | 4. | Tape worm |
Subtopic: Protozoa |
95%
From NCERT
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Identify the correct statement:
| 1. | No known member of Kingdom Fungi is unicellular |
| 2. | No known member of Kingdom Fungi has polysaccharide in cell wall of its cells |
| 3. | No known member of Kingdom Fungi has chlorophyll pigment in its cells |
| 4. | No known member of Kingdom Fungi is capable of living as a symbiont |
Subtopic: Kingdom Fungi: Introduction |
74%
From NCERT
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Asexual reproduction can take place in some fungi with the help of spores called:
1. conidia
2. oospores
3. ascospores
4. basidiospores
1. conidia
2. oospores
3. ascospores
4. basidiospores
Subtopic: Kingdom Fungi: Sexual Reproduction in Fungi |
88%
From NCERT
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Amongst the given statements, the number of correct statements regarding viruses will be:
| I: | Viruses are inert outside their specific host cell. |
| II: | Viruses are obligate parasites. |
| III: | All viruses contain both RNA and DNA. |
| IV: | A virus is a nucleoprotein. |
| V: | Viruses are smaller than bacteria. |
| 1. | 2 | 2. | 3 |
| 3. | 4 | 4. | 5 |
Subtopic: Virus, Viroids & Prions |
82%
From NCERT
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The vast majority of bacteria:
| 1. | are capable of fixing atmospheric nitrogen. |
| 2. | are photosynthetic autotrophs and have gas vacuoles. |
| 3. | do not have peptidoglycan in their cell walls. |
| 4. | depend on other organisms or on dead organic matter for food. |
Subtopic: Kingdom Monera: Bacterial Classification |
81%
From NCERT
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Study the Assertion statement followed by the Reason statement given below:
| Assertion (A): | Diatoms have left behind large amount of cell wall deposits in their habitat. |
| Reason (R): | Diatoms are the chief ‘producers’ in the oceans. |
| 1. | (A) is True; (R) is False. |
| 2. | Both (A) and (R) are True and (R) correctly explains (A). |
| 3. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 4. | (A) is False; (R) is True. |
Subtopic: Kingdom Protista: Chrysophytes |
68%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| COLUMN I [Organism] |
COLUMN II [Cell wall] |
||
| A | Diatoms | P | Not present |
| B | Dinoflagellates | Q | Composed of peptidoglycan |
| C | Euglenoids | R | Cellulose plates on the outer surface |
| D | Eubacteria | S | Embedded with silica |
| A | B | C | D | |
| 1. | R | S | P | Q |
| 2. | S | R | P | Q |
| 3. | Q | R | P | S |
| 4. | S | R | Q | P |
Subtopic: Kingdom Protista: Chrysophytes | Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids |
82%
From NCERT
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The organism shown in the given figure:
| 1. | is amongst the chief producers in oceans. |
| 2. | is capable of heterotrophic nutrition when deprived of sunlight. |
| 3. | causes red tide that releases harmful toxins. |
| 4. | is an extremophile living in hydrothermal vents. |
Subtopic: Kingdom Protista: Dinoflagellates |
89%
From NCERT
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