1. X-rays
2. Gamma rays
3. Ultraviolet rays
4. Infra red rays
Infra red rays
1. pH
2. temperature
3. X-rays
4. All of these
pH
1. to use tractors to till the soil
2. to sow seeds of improved varieties
3. to removed weeds from wheat field
4. to reduce the quality of ratio consumers
to sow seeds of improved varieties
1. peacock
2. snake
3. monkey
4. sheep
sheep
1. mutations
2. multiple traits
3. blood group abnormalities
4. recessive alleles to come together
recessive alleles to come together
1. idiocy
2. intelligence
3. diligence
4. intelligence quotient
intelligence
1. genius
2. superior
3. average
4. most superior
genius
1. dominant X-linked trait
2. autosmoal recessive trait
3. autosmoal dominant trait
4. recessive sex-linked trait
autosmoal recessive trait
1. HC Urey
2. Francis Galton
3. Thomas Hunt Morgan
4. Joshua Lederberg
Francis Galton
1. Galton
2. Griffth
3. Garrod
4. Goldschmidt
Galton