1. How many pairs of contrasting characters in pea were selected by Mendel?
2. In proteins the amino acids are linked up by which of the following bonds to form long chains?
3. Down's syndrome is characterised by
4. The frequency of crossing over is
5. Consider the following statements regarding the formation of micromolecules and choose the correct answer:
1. The molecules which have molecular weight below 100 daltons are called micromolecules
2. According to Miller (1965), most of the glycine and many amino acids were formed from CO2, CO, H2 and NH2 in gaseous state due to electric discharge
3. Purines and pyrimidines are thought to be originated from hydrogen cyanide in the primitive earth due to condensation reactions in the presence of heat or radiations
4. Pyrroles, the probable precursors of porphyrins, were likely formed at a very late stage of chemical evolution due to speculated reaction between ethylene and acetylene
1. The molecules which have molecular weight below 100 daltons are called micromolecules
2. According to Miller (1965), most of the glycine and many amino acids were formed from CO2, CO, H2 and NH2 in gaseous state due to electric discharge
3. Purines and pyrimidines are thought to be originated from hydrogen cyanide in the primitive earth due to condensation reactions in the presence of heat or radiations
4. Pyrroles, the probable precursors of porphyrins, were likely formed at a very late stage of chemical evolution due to speculated reaction between ethylene and acetylene
6. Formation of root or shoot from the tumour depends on the
7. It is believed that, life was restricted to seas alone upto
8. Who is responsible for the sex determination of a child?
9. The one-gene one-enzyme hypothesis was proposed by
10. Darwin's pangenesis hypothesis assumed that all the organs and perhaps all the cells, in the body of an animal produced miniatures of themselves known as
Read More Section(Gentics and Evoloution)
Each Section contains maximum 100 MCQs question on Gentics and Evoloution. To get more questions visit other sections.