Question
The condition where the plant is unable to
produce a zygote with its own pollen is called as?Solution
Self-incompatibility (SI) refers to all genetic mechanisms in flowering plants that prevent self-fertilization through the recognition and rejection of self-pollen by the style of a flower
The average age of a group of 10 students is 12 years. Two persons of age 15 years and 20 years, left the group and 2 persons of age 54 years and 101 ye...
The average weight of 20 students is 27 kg. If two students weighing 19 kg and 47 kg are replaced by a teacher weighing 77 kg, what is the new average w...
Average marks scored by each boy in a class were 70, whereas that by each girl were 80. If the number of boys is 50% more than the number of girls, then...
The average weight of 14 persons increases by 3.5 kg when a new person comes in place of one of them weighing 48 kg. The weight of the new person is.
Five friends each contributed Rs. 70. If the sixth friend gives Rs. 50 more than the average contribution of all six, how much did the sixth friend cont...
The average age of a family of 6 members is 30 years. If one of the members aged 16 years leaves the family, by how much will the average age of the rem...
A group of 35 people has an average age of 28 years. Later, 7 more people join the group and the average age becomes 25 years. What is the average age o...
The average age of 32 children and their teacher's age are 28 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
The average of the first 6 numbers is 'x+40', the average of the next 8 numbers is 'x', and the average of the remaining 6 numbers is 'x−10'. If the a...
