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Q. No.Read the following statements with respect to Basidiomycetes:
I:
Sex organs are commonly present
II:
Plasmogamy is brought about by the fusion of two vegetative or somatic cells of different strains or genotypes
III:
The dikaryotic structure may give rise to the basidium
IV:
Karyogamy and Meiosis take place in the basidium producing four ascospores
V:
The basidiospores are exogenously produced on the basidium
How many of the above statements are correct?
1. Three
2. Four
3. Two
4. Five
Subtopic: Â Kingdom Fungi: Basidomycetes |
 62%
Level 2: 60%+
Hints
Match the columns:
1. A = (i) , B = (iv) , C= (ii) , D= (iii)
2. A = (iv) , B = (iii) , C= (i) , D= (ii)
3. A = (i) , B = (iii) , C= (iv) , D= (ii)
4. A = (ii) , B = (i) , C= (iv) , D= (iii)
| Column-I | Column-II |
| A. Ascomycetes | (i) Club fungi |
| B. Basidiomycetes | (ii) Sac fungi |
| C. Deuteromycetes | (iii) Algae fungi |
| D. Phycomycetes | (iv) Fungi imperfecti |
1. A = (i) , B = (iv) , C= (ii) , D= (iii)
2. A = (iv) , B = (iii) , C= (i) , D= (ii)
3. A = (i) , B = (iii) , C= (iv) , D= (ii)
4. A = (ii) , B = (i) , C= (iv) , D= (iii)
Subtopic: Â Kingdom Fungi: Deuteromycetes |Â Kingdom Fungi: Zygomycetes |Â Kingdom Fungi: Ascomycetes |Â Kingdom Fungi: Basidomycetes |
 93%
Level 1: 80%+
Hints
Read the following statements about viroids:
(i) These were discovered by T.O Diener
(ii) These are of high molecular weight
(iii) Their RNA is of low molecular weight
(iv) May possess capsid
How many of the above statements are correct?
1. Two
2. One
3. Four
4. Three
(i) These were discovered by T.O Diener
(ii) These are of high molecular weight
(iii) Their RNA is of low molecular weight
(iv) May possess capsid
How many of the above statements are correct?
1. Two
2. One
3. Four
4. Three
Subtopic: Â Virus, Viroids & Prions |
 82%
Level 1: 80%+
Hints
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Assertion: Cyanobacteria are photosynthetic blue-green algae with all prokaryotic structures
Reason: They are green due to the presence of chloroplasts
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Reason: They are green due to the presence of chloroplasts
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Subtopic: Â Kingdom Monera: Introduction |
Level 3: 35%-60%
Hints
| Assertion (A): | The spores of 'consumer-decomposer' protists contain cellulosic cell wall. |
| Reason (R): | These spores are dispersed by wind. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Â Kingdom Protista: Chrysophytes |
 65%
Level 2: 60%+
Hints
| Assertion(A): | The archaebacteria can survive in harsh habitats |
| Reason(R): | These bacteria contain a different cell wall structure |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False statement |
Subtopic: Â Kingdom Monera: Introduction |
 91%
Level 1: 80%+
Hints
| Assertion (A): | Mycoplasma is pathogenic, both to animas and plants. |
| Reason (R): | These organisms lack cell wall and can survive without oxygen. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Kingdom Monera: Actinomycetes & Mycoplasma |
 69%
Level 2: 60%+
Hints
Assertion: Viruses are obligate parasites
Reason: Viruses cannot propagate outside the host cell
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Reason: Viruses cannot propagate outside the host cell
1. If both assertion and reason are true and the reason is the correct explanation of the assertion
2. If both assertion and reason are true and the reason is not the correct explanation of the assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false statement
Subtopic: Â Virus, Viroids & Prions |
 82%
Level 1: 80%+
Hints
| Assertion(A): | Cell wall of diatoms are indestructible |
| Reason(R): | Cell wall of diatoms possesss silica |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True and (R) is not the correct explanation of (A) |
| 3. | (A) is True but (R) is False |
| 4. | Both (A) and (R) are False statement |
Subtopic: Â Kingdom Protista: Chrysophytes |
 94%
Level 1: 80%+
Hints
Links
Given below are two statements:
| Assertion (A): | Viroids are different from viruses. |
| Reason (R): | Viroids lack capsid but viruses posses capsid. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Â Virus, Viroids & Prions |
 82%
Level 1: 80%+
Hints
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