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Q. No.How many pairs of contrasting traits in pea plants were studied by Mendel in his experiments?
| 1. | Five | 2. | Six |
| 3. | Eight | 4. | Seven |
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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Mendel worked with seven characteristics of pea plants include all the following except:
1. pod shape and color
2. seed shape and color
3. flower position and color
4. girth of plant and shade of green in leaves
1. pod shape and color
2. seed shape and color
3. flower position and color
4. girth of plant and shade of green in leaves
Subtopic: Dominance Deviation from Mendel: 1 | Dominance Deviation from Mendel: 2 |
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Among the following characters, which one was not considered by Mendel in his experiments on pea?
| 1. | Stem - Tall or Dwarf |
| 2. | Trichomes - Glandular or non-glandular |
| 3. | Seed - Green or Yellow |
| 4. | Pod - Inflated or Constricted |
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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Which one from those given below are the periods for Mendel's hybridization experiments?
1. 1856 - 1863
2. 1840 - 1850
3. 1857 - 1869
4. 1870 – 1877
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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In his classic experiments on pea plants, Mendel did not use
1. Pod length
2. Seed shape
3. Flower position
4. Seed colour
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 |
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Which of the following sets includes only recessive traits observed in Pisum sativum?
| 1. | Wrinkled seed shape, Green seed color, White flower color |
| 2. | Round seed shape, Yellow seed color, Purple flower color |
| 3. | Yellow pod color, Inflated pod shape, Axial flower position |
| 4. | Tall stem height, Green pod color, Round seed shape |
Subtopic: Monohybrid Cross: 1 |
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Mendel preferred true-breeding pea lines primarily because they:
| 1. | Showed stable expression of traits over generations |
| 2. | Exhibited maximum heterozygosity |
| 3. | Required minimal pollination control |
| 4. | Produced intermediate phenotypes |
Subtopic: Mendel’s Laws of Inheritance |
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Which of the following is a dominant trait in Mendel's experiments?
1. Dwarf plants
2. Green seeds
3. Wrinkled seeds
4. Yellow seeds
1. Dwarf plants
2. Green seeds
3. Wrinkled seeds
4. Yellow seeds
Subtopic: Introduction to Genetics: 1 | Introduction to Genetics: 2 | Dihybrid Cross: Details |
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Identify the incorrect statement regarding experiments on Pisum sativum by Gregor Mendel?
| 1. | He conducted hybridization experiments on garden peas for seven years (1856-1863) and proposed the laws of inheritance in living organisms. |
| 2. | It was for the first time that statistical analysis and mathematical logic were applied to problems in biology. |
| 3. | Unfortunately his experiments had a small sampling size, which gave less credibility to the data that he collected. |
| 4. | He investigated characters in the garden pea plant that were manifested as two opposing traits. |
Subtopic: Introduction to Genetics: 2 |
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Which of the following is a defining characteristic of Mendelian traits?
| 1. | They are controlled by multiple genes and influenced by the environment. |
| 2. | They are always X-linked traits. |
| 3. | They follow predictable patterns of inheritance based on dominant and recessive alleles. |
| 4. | They are inherited through the mitochondrial DNA. |
Subtopic: Introduction to Genetics: 1 |
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