The experimental proof for semiconservative replication of DNA was first shown in a:
1. Fungus
2. Bacterium
3. Plant
4. Virus
Subtopic: DNA Replication |
87%
From NCERT
NEET - 2018
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Select the correct statement:
1. Franklin Stahl coined the term "linkage".
2. Punnett square was developed by a British scientist.
3. Spliceosomes take part in translation.
4. Transduction was discovered by S. Altman.
1. Franklin Stahl coined the term "linkage".
2. Punnett square was developed by a British scientist.
3. Spliceosomes take part in translation.
4. Transduction was discovered by S. Altman.
Subtopic: Monohybrid Cross: 1 |
86%
From NCERT
NEET - 2018
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Offsets are produced by:
| 1. | Meiotic divisions |
| 2. | Mitotic divisions |
| 3. | Parthenocarpy |
| 4. | Parthenogenesis |
Subtopic: Asexual Reproduction |
72%
From NCERT
NEET - 2018
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Which of the following pairs is wrongly matched?
1. Starch synthesis in pea: Multiple alleles
2. ABO blood grouping: Co-dominance
3. XO type sex determination: Grasshopper
4. T.H Morgan: Linkage
2. ABO blood grouping: Co-dominance
3. XO type sex determination: Grasshopper
4. T.H Morgan: Linkage
Subtopic: Dominance Deviation from Mendel: 1 |
75%
From NCERT
NEET - 2018
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Which of the following flowers only once in its lifetime?
1. Bamboo species
2. Jackfruit
3. Mango
4. Papaya
2. Jackfruit
3. Mango
4. Papaya
Subtopic: Sexual Reproduction |
95%
From NCERT
NEET - 2018
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Select the correct match:
1. Alec Jeffreys – Streptococcus pneumoniae
2. Alfred Hershey and Martha Chase – TMV
3. Matthew Meselson and F. Stahl – Pisum sativum
4. Francois Jacob and Jacques Monod – Lac operon
Subtopic: Gene Regulation: Lac Operon |
88%
From NCERT
NEET - 2018
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Which of the following has proved helpful in preserving pollens as fossils?
| 1. | Pollen kit | 2. | Cellulosic intine |
| 3. | Oil content | 4. | Sporopollenin |
Subtopic: Stamen: Male Gametophyte |
92%
From NCERT
NEET - 2018
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Stomatal movement is not affected by:
1. Temperature
2. Light
3. O2 concentration
4. CO2 concentration
Subtopic: Stomata: 2 |
70%
NEET - 2018
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The stage during which separation of the paired homologous chromosomes begins is:
| 1. | Pachytene | 2. | Diplotene |
| 3. | Diakinesis | 4. | Zygotene |
Subtopic: Cell Cycle: Meiosis I |
64%
From NCERT
NEET - 2018
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The two functional groups characteristic of sugars are:
| 1. | Hydroxyl and methyl | 2. | Carbonyl and methyl |
| 3. | Carbonyl and phosphate | 4. | Carbonyl and hydroxyl |
Subtopic: Carbohydrates: Introduction |
64%
From NCERT
NEET - 2018
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