Agronomy MCQ Question and Answer | Agriculture MCQ Question

The correlation coefficient (r) is a measure of the closeness of association of the points in a scatter plot to a linear regression line based on the points.
Possible values of the correlation coefficient range from -1 to +1, -1 indicates a perfectly linear negative i.e. inverse correlation and +1 indicates a perfect linear positive correlation.

Triticum spherococcum is the first Indian dwarf wheat. this is found in limited areas of Madhya Pradesh and Uttar Pradesh of India. It is a hexaploid species and this belongs to the club wheat of western countries. It is characterized by very short and compact heads having shorter grains. It contains 42 chromosomes.

CAN is Calcium ammonium nitrate, also known as nitro lime stone or nitrochalk.
It is a widely used inorganic neutral fertilizer, accounting for 4% of consumption out of all nitrogen fertilizers used worldwide.
It is hygroscopic and its Dissolution in water is endothermic.

A Jelmeter is a graduated glass tube with an opening at each end. It is an index to the amount of sugar to be used. It also determines the amount of pectin in fruit juice.
When the Jelmeter shows its reading $$\frac{3}{4}$$ then 750 gms of sugar should be added to the solution.

The first hybrid maize Ganga-I was developed in India in 1961.
After characterization and classification of Indian land races and simultaneous effects for extracting inbred lines both from indigenous and exotic materials, the first set of yellow double cross hybrids were released as Ganga-1, Ganga 101, Deccan, Ranjit.

Berseem is the "king of berseem", one of the most important leguminous annual fodder. It gives 5 - 7 cuts in a year during the winter, spring, and early summer seasons.
Usually, chicory is found admixed with berseem seed. Since the size of chicory and berseem seed is the same. To remove chicory seeds, a 10% common salt solution is used.

C : N ratio is Carbon to Nitrogen ratio in green manure. Carbon and nitrogen are the most important of the many elements required for microbial decomposition of organic matter to produce compost.
In good quality, the manure C/N ratio should not be more than 10.

Winged bean is the vegetable crop known as the vegetable of the 20^th century.
Winged bean is also known as goa bean, cigarillos, and dragon bean. It is a herbaceous tropical plant. It is rich in nutrients and all parts of the plant are edible. Leaves are eaten like spinach, flowers can be used in salads, tubers can be eaten raw or cooked and seeds can be used as soybean.

Rainfall intensity is generally higher on and near the equator.
And this happens because the northeast trade winds and southwest trade winds converge in a low-pressure zone known as the intertropical convergence zone. Solar heating in the region forces air to rise through convection which results in excess precipitation near to equatorial region.

The Dapog method is a method of raising a dense stand of seedlings with no contact with soil. This method of raising nurseries has been introduced in India by the Philippines.
It has been adopted by some farmers in Andhra Pradesh for raising seedlings. It saves almost half of the time in seedling raising. The main merit of the method is that it requires less area for nurseries.