Who gave the term “Heterosis” in 1914?
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.
If the mean of four observations is 20 and when a constant C is added to each observation the mean becomes 22 the value of C is –
A sphere has a volume of 288π cubic units. What is the diameter of the sphere?
Find the distance between the points (2, 5) and (7, 1).
A factory produces three types of products, X, Y, and Z. The average production of product X over 5 days is 120 units per day. The average production of...
The sum of two numbers is 20 and their product is 96. Find the numbers.
In a triangle ABC, the sides are AB = 15 cm, BC = 20 cm, and AC = 25 cm. Find the area of the triangle using Heron’s formula.
If the ratio of boys to girls in a class is 3:4 and the total number of students is 56, how many boys are there?
A shopkeeper buys 100 apples at ₹5 each. 10 apples get spoiled. He sells the remaining apples at ₹6 each. What is his overall profit or loss percen...
A cylindrical tank has a height of 12 m and a base radius of 5 m. If water is filled up to 8 m in the tank, what is the total surface area of the water'...
6, 41, 208, 1045, 5232, ?.
