Question
Who gave the term “Heterosis” in
1914?Solution
The term heterosis was coined by Shull and first proposed in 1914. He used the term to avoid the implication that hybrid vigor was entirely Mendelian in nature.
- Mixture ‘I’ of milk and water contains milk and water in ratio 2:1, respectively. What will be the ratio of milk to water in mixture ‘I’ when quant...
Two varieties of rice costing Rs 40 per kg and Rs 50 per kg are mixed and sold at Rs 44 per kg without any profit or loss. In what ratio are the two var...
A 360-liter mixture consists of milk and water in a 5:4 ratio. If 7.5% of the mixture is removed and replaced with the same amount of water, what is the...
A milkman mixed equal quantities of two mixtures, ‘A’ and ‘B’. In mixture ‘A’, the milk-to-water ratio is 5:2, while in mixture ‘B’, it ...
A mixture containing 350 liters has milk and water in a ratio of 4:3. If 40 liters of milk and 'x' liters of water are added to it, the new ratio of mil...
A container has milk and water in the ratio 4:3. 35 litres of mixture is removed and 10 litres of water is added so that the quantity of milk is 6 litre...
155 litres of a mixture contains 42% milk and rest water. If ‘x’ litres of milk is added into the mixture then quantity of water in the final mixtur...
A merchant mixes two varieties of sugar of 5 kg and 3 kg, which costs him Rs. 4 and Rs. 6 per kg, respectively. What is the cost price (in Rs.) of the m...
When 15 litres of water is added to a mixture of milk and water, the ratio of quantity of milk and water becomes 3:4. Instead, if 10 litres of water had...
In a mixture of juice & water, 70 litres water is mixed due to which ratio changes from 3:4 to 1:3. Find initial quantity of mixture. (in lit...