|
Question |
Answer |
| 1 |
Who is the father of modern genetics? |
Gregor Johann Mendel |
| 2 |
The classical Mendel’s work on his ‘laws of inheritance’ was performed on the organism – |
Garden pea |
| 3 |
Mendel’s principle of inheritance is based on – |
Sexual reproduction |
| 4 |
Genome mapping relates to – |
Mapping of genes |
| 5 |
The unit of heredity in our body is called – |
Gene |
| 6 |
Gene is – |
A segment of DNA |
| 7 |
Change in the base sequence within a gene is called – |
Mutation |
| 8 |
Hereditary symptoms are moved in the descendant of creatures by – |
Chromosome |
| 9 |
Which organelle is responsible for controlling the hereditary characteristics of the living cells? |
DNA |
| 10 |
Which feature of DNA makes it uniquely suited to store and transmit genetic information from generation to generation? |
Complementarity of the two strands |
| 11 |
Chromosomal theory of inheritance was given by – |
Sutton and Boveri |
| 12 |
Who first outlined the structure of the gene molecule (D.N.A.)? |
Dr. James Watson and Dr. Francis Crick |
| 13 |
James D. Watson and Francis Crick are associated with the discovery of – |
Structure of DNA |
| 14 |
Who has proposed for the first time the double helix model of DNA? |
Watson and Crick |
| 15 |
Nobel Prize-winning scientist James D. Watson is known for his work in which area? |
Genetics |
| 16 |
Double-helical structure of DNA was given by whom? |
Watson and Crick |
| 17 |
Who discovered DNA? |
None of the above/More than one of the above |
| 18 |
Har Gobind Khorana is credited for the discovery of – |
Synthesis of Protein |
| 19 |
In the laboratory, who did the synthesis of DNA – |
Khorana |
| 20 |
Who delivered the principle of ‘jumping genes’? |
Barbara McClintock |
| 21 |
Which compound present in D.N.A. does not form an amino acid? |
Tyrosine |
| 22 |
The sugar present in DNA is – |
Deoxyribose |
| 23 |
Ribozymes are – |
RNA |
| 24 |
Chromosome number in any species – |
Is constant |
| 25 |
How many chromosomes are there in humans? |
46 |
| 26 |
The number of chromosome pairs, found in the cells of the human body is – |
23 |
| 27 |
Male’s gene constituent is – |
XY |
| 28 |
Which combination of chromosomes in mankind gives birth to a male child? |
Y of male and X of female |
