- 1(current)
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
Hints
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
Hints
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
Hints
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
Hints
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
Hints
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
- 1(current)
Q. No.
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