71. Who among the following adopted the term evolution to cover Darwin's notions as well as to include the conception which explains the entire process of change occurring in the universe?
72. Organic evolution is also called
73. The difference between Homo sapiens and the Homo erectus was
74. The wing of a bat and the wing of a bird are the examples of . . . . . . . . limbs.
75. Which of the following basic processes provide the genetic variability without which change cannot take place?
76. Which phenomena leads to the variation in
77. The lactose (lac) operon of the bacterium E. coli has which of the following structural genes?
78. Match List-I (Growth Regulators) with List-II (Functions) and select the correct answer:
List-I
List-II
a. Auxin
1. Causes uniform ripening in many fruits
b. Ethylene
2. Induces formation of roots on stem cuttings of many ornamental, horticultural and forest trees
c. Gibberellin
3. Used to prolong storage of potato and many fruits
d. Maleic hydrazide
4. Used to delay ripening in lemons
| List-I | List-II |
| a. Auxin | 1. Causes uniform ripening in many fruits |
| b. Ethylene | 2. Induces formation of roots on stem cuttings of many ornamental, horticultural and forest trees |
| c. Gibberellin | 3. Used to prolong storage of potato and many fruits |
| d. Maleic hydrazide | 4. Used to delay ripening in lemons |
79. Positive control of gene expression can be exercised directly by
80. 2X-chromosomes in a diploid organism produce a
Read More Section(Gentics and Evoloution)
Each Section contains maximum 100 MCQs question on Gentics and Evoloution. To get more questions visit other sections.