81. Crown-gall tumours of sunflower are caused by
82. Oparin and Haldane's theory is also called
83. 'Linkage' was discovered by
84. A chromosome break occurs, and is followed by duplication of the chromosome during
85. Jumping genes/transposons/movable genetic elements discovered by Barbara McClintock in
86. Match List-I with List-II and select the correct answer:
List-I
List-II
a. Cross between F1 and recessive parent
1. Monohybrid cross
b. Cross between F1 and either parents
2. Dihybrid cross
c. Two traits consider
3. Back cross
d. Only one trait consider
4. Test cross
| List-I | List-II |
| a. Cross between F1 and recessive parent | 1. Monohybrid cross |
| b. Cross between F1 and either parents | 2. Dihybrid cross |
| c. Two traits consider | 3. Back cross |
| d. Only one trait consider | 4. Test cross |
87. Consider the following statements regarding the historical aspects of DNA and choose the correct answer:
1. Meischer isolated nucleic acids, which he called nuclein
2. Altmann used the term nucleic acid to replace nuclein
3. Fischer identified pyrimidines and purines
4. Griffiths discovered bacterial transformation by DNA
1. Meischer isolated nucleic acids, which he called nuclein
2. Altmann used the term nucleic acid to replace nuclein
3. Fischer identified pyrimidines and purines
4. Griffiths discovered bacterial transformation by DNA
88. Genes are made up of
89. In paracentric inversions
90. The important postulates in the theory of special creation include:
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