1. | The monohybrid ratio is |
A. 9:3:3:1 | |
B. 3:1 | |
C. 1:1 | |
D. 2:1 |
2. | Genes are made of – |
A. DNA’s | |
B. of RNA | |
C. of DNA and RNA | |
D. of proteins |
3. | Who got the prize for artificially synthesizing DNA in the year 1959? |
A. kornberg | |
B. okoa | |
C. Khurana | |
D. nirenberg |
4. | Independent discharge means – |
A. separation of traits from one parent | |
B. no separation of traits from one parent | |
C. get journal symptoms | |
D. segregation of heritable traits |
5. | The main reason for Mendel’s success was – |
A. He presented a quantitative analysis of offspring | |
B. He used only one trait at a time in his crosses | |
C. they kept genealogy records | |
D. He had selected the pea plant |
6. | Hargovind Khorana was awarded for which invention? |
A. for protein synthesis | |
B. for gene synthesis | |
C. for the synthesis of nitrogenous bases | |
D. None of these |
7. | DNA was first synthesized in the laboratory by – |
A. Miller | |
B. Khurana has | |
C. De Breeze | |
D. Kelvin has |
8. | Who among the following is known as the father of genetics? |
A. Darwin | |
B. weizmann | |
C. D Breeze | |
D. gregor johan mendel |
9. | By whom the science of heredity was called ‘genetics’? |
A. Mendel | |
B. currence | |
C. Müller | |
D. betson |
10. | What is genetic mutation? |
A. D. N.S. A. | |
B. R. N. a. | |
C. chromosome | |
D. ribosome |
Pages : 1 2