Q. No.Match List-I and List-II:
Choose the correct answer from the options given below:
| List-I | List-II | ||
| A. | Two or more alternative forms of a gene | I. | Back Cross |
| B. | Cross of F1 progeny with homozygous recessive parent | II. | Ploidy |
| C. | Cross of F1 progeny with any of the parents | III. | Allele |
| D. | Number of chromosome sets in plant |
IV. | Test cross |
| 1. | A-II, B-I, C-III, D-IV | 2. | A-III, B-IV, C-I, D-II |
| 3. | A-IV, B-III, C-II, D-I | 4. | A-I, B-II, C-III, D-IV |
Subtopic: Â Monohybrid Cross: 1 |
 89%
Level 1: 80%+
NEET - 2024
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Which one of the following can be explained as the basis of Mendel's Law of dominance?
Choose the correct answer from the options given below:
| A: | Out of one pair of factors, one is dominant and the other is recessive. |
| B: | Alleles do not show any expression and both the characters appear as such in F2 generation. |
| C: | Factors occur in pairs in normal diploid plants. |
| D: | The discrete unit controlling a particular character is called factor. |
| E: | The expression of only one of the parental characters is found in a monohybrid cross. |
| 1. | A, C, D and E only | 2. | B, C and D only |
| 3. | A, B, C, D and E | 4. | A, B and C only |
Subtopic: Â Monohybrid Cross: 1 |
 69%
Level 2: 60%+
NEET - 2024
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A cross between tall plants was made resulting in offspring of tall and dwarf plants with ratio 3 : 1. The genotype(s) of both parents are:
1. TT and TT
2. Tt and tt
3. Tt and Tt
4. tt and tt
1. TT and TT
2. Tt and tt
3. Tt and Tt
4. tt and tt
Subtopic: Â Monohybrid Cross: 1 |Â Monohybrid Cross: Further Understanding |
 79%
Level 2: 60%+
NEET - 2024
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A heterozygous pea plant with violet flowers was crossed with a homozygous pea plant with white flowers. Violet is dominant over white. Which one of the following represents the expected combinations among 40 progenies formed?
1. 30 produced violet and 10 produced white flowers
2. 20 produced violet and 20 produced white flowers.
3. All 40 produced violet flowers
4. All 40 produced white flowers
1. 30 produced violet and 10 produced white flowers
2. 20 produced violet and 20 produced white flowers.
3. All 40 produced violet flowers
4. All 40 produced white flowers
Subtopic: Â Monohybrid Cross: 1 |Â Monohybrid Cross: Further Understanding |
 71%
Level 2: 60%+
NEET - 2023
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The production of gametes by the parents, formation of zygotes, the F1 and F2 plants, can be understood from a diagram called:
1. Punnett square
2. Net square
3. Bullet square
4. Punch square
Subtopic: Â Monohybrid Cross: 1 |Â Monohybrid Cross: Further Understanding |
 95%
Level 1: 80%+
NEET - 2021
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Identify the wrong statement with reference to the gene 'I' that controls ABO blood groups.
| 1. | A person will have only two of the 3 alleles. |
| 2. | When IA and IB are present together, they express same type of sugar. |
| 3. | Allele 'i' does not produce any sugar. |
| 4. | The gene (I) has three alleles. |
Subtopic: Â Monohybrid Cross: 1 |
 77%
Level 2: 60%+
NEET - 2020
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The production of gametes by the parents the formation of zygotes, the F1 and F2 plants can be understood using
| 1. | Pie diagram | 2. | A pyramid diagram |
| 3. | Punnett square | 4. | Wenn diagram |
Subtopic: Â Monohybrid Cross: 1 |
 95%
Level 1: 80%+
NEET - 2021
Hints
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: Â Monohybrid Cross: 1 |
 87%
Level 1: 80%+
NEET - 2018
Hints
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
1. Starch synthesis in pea: Multiple alleles
2. ABO blood grouping: Co-dominance
3. XO type sex determination: Grasshopper
4. T.H Morgan: Linkage
Subtopic: Â Monohybrid Cross: 1 |
 75%
Level 2: 60%+
NEET - 2018
Hints
Which of the following characteristics represent the 'Inheritance of blood groups' in humans?
a. Dominance
b. Co-dominance
c. Multiple allelism
d. Incomplete dominance
e. Polygenic inheritance
| 1. | b, c, and e | 2. | a, b and c |
| 3. | b, d, and e | 4. | a, c, and e |
Subtopic: Â Monohybrid Cross: 1 |
 61%
Level 2: 60%+
NEET - 2018
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