Q. No.Match each item in Column I with one in Column II and select your answer from the codes given:
| Column I | Column II | ||
| Scientist | Contribution | ||
| A. | Francis Crick | a. | Breaking the genetic code |
| B. | Nirenberg | b. | Established Coenorhabditiselegans as a model genetics study organism |
| C. | Benzer | c. | Central dogma of molecular biology |
| D. | Brenner | d. | Bacteriophage genetics |
Codes:
| A. | B. | C. | D. | |
| 1. | c | a | d | b |
| 2. | c | a | b | d |
| 3. | a | b | c | d |
| 4. | a | c | d | b |
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Which of the following father and son duos received Nobel Prize?
| 1. | Nirenbergs | 2. | Kornbergs |
| 3. | Darwins | 4. | Lederbergs |
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The famous double helix model of DNA was proposed by Watson and Crick in ____ and they shared Nobel Prize for Physiology or Medicine in ________ for their effort.
| 1. | 1951, 1971 | 2. | 1943, 1963 |
| 3. | 1953, 1962 | 4. | 1969, 1972 |
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The branch of biology that deals with inheritance, as well as the variation of characters from parents to offspring, is called as:
| 1. | Evolution | 2. | Genetics |
| 3. | Developmental biology | 4. | Forensics |
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Identify the incorrect statement regarding experiments on Pisum sativum by Gregor Mendel:
| 1. | He conducted hybridisation 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. |
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A plant, on repeated self-pollination, preserves the trait expressed for many generations. Such a plant is said to be:
| 1. | Panmictic | 2. | Homologous |
| 3. | Apomictic | 4. | Pure line |
Which of the following is a recessive trait for a character chosen by Mendel in garden pea?
| 1. | Violet flower colour | 2. | Yellow pod colour |
| 3. | Axial flower position | 4. | Tall stem height |
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Which of the following was not a character studied by Mendel in garden pea?
| 1. | Flower position | 2. | Pod shape |
| 3. | Flower colour | 4. | Pod position |
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| 1. Flower Colour | 2. Pod Shape | ||
| Dominant | Recessive | Dominant | Recessive |
 |
 |
 |
 |
| 3. Flower Position | 4. Stem Height | ||
| Dominant | Recessive | Dominant | Recessive |
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 |
 |
 |
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| Statement I: | A is Emasculation where the anthers are removed only after maturity. |
| Statement II: | B is Pollination and it should be followed by bagging the flowers in the female parent. |
2. Statement I is incorrect, Statement II is correct.
3. Statement I is correct, Statement II is incorrect.
4. Statement I is incorrect, Statement II is incorrect.
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