List of top Agriculture Questions

The colour of beetroot is attributed to which of the following compound?

Consider the following statements regarding chrysanthemum:
(A) Corms are used for propagation
(B) Y2K is a variety of chrysanthemum
(C) De-suckering is the removal of new shoots that develop from the base of the plant
(D) Chrysanthemum is a short-day plant for flower bud initiation

Which of the following exchangeable sodium percentage is characteristic of alkaline soils?

Which of the following statements about correlation coefficient and regression coefficients are correct?
(A) The correlation coefficient is unaffected by change of origin and scale
(B) Regression coefficients are independent of change of origin but not of scale
(C) Correlation coefficient is the geometric mean of two regression coefficients
(D) If one regression coefficient is greater than 1, the other must also be greater than 1

What was the name of ‘The Commission for Agricultural Costs and Prices (CACP)’ prior to 1980?

The formula of gypsum is:

Match List-I with List-II (Disorder and Nutrient Deficiency).

List-I (Disorder)	List-II (Nutrient Deficiency)
(A) Black heart of Potato	(I) Calcium
(B) Interveinal chlorosis of younger leaves	(II) Iron
(C) Whip-tail in Cauliflower	(III) Molybdenum
(D) Die-back of terminal buds	(IV) Boron

During seed germination, its stored food is mobilized by:

Certain bacteria living in the soil convert nitrates into nitrites and then to free nitrogen. Such bacteria are termed as:

The technique of growing plants in nutrient solution, in complete absence of soil, can be employed for:
(A) Identification of essentiality of mineral elements
(B) Commercial production of vegetables
(C) Studying the deficiency symptoms of a particular element
(D) Conservation of germplasm

Consider the following statements and choose the correct statements:
(A) Sugarcane has kranz anatomy in their leaves
(B) Maize is a C4 plant
(C) Photolysis of water in photosynthesis require $Mg^{2+}$ ions
(D) C4 pathway of photosynthetic $CO_2$ fixation was discovered by Hatch and Slack

The following are the steps of chemiosmotic ATP synthesis in the light reaction. Arrange them in correct order of their occurrence:
(A) H+ diffuse through ATP synthetase and it makes ATP.
(B) Electrons from PS-II pass along electron transport chain
(C) H+ concentration gradient generates across the membrane
(D) Light excites electrons in PS-I

Match List-I with List-II (Scientist and Scientific Contribution).

Which of the following marketing concepts involves dividing a market into distinct groups of buyers based on their needs, characteristics, or behavior, who may require different products or marketing mixes?

Diffusion of an innovation occurs through a step process. Arrange the following stages in the adoption process in sequential order:
(A) Decision
(B) Implementation and Confirmation
(C) Persuasion
(D) Knowledge

Arrange the following steps in the correct sequence for implementing an agricultural extension programme:
(A) Developing extension materials
(B) Implementing the programme
(C) Evaluating the programme
(D) Conducting needs assessment

While conducting a chi-square test to examine the independence of attributes in an m × n contingency table, what formula determines the degree of freedom?

In a normally distributed population, the number of observations falling within the range Mean ± S.D. is approximately:

Which of the following is not a measure of dispersion?

In which crop and year was the first All India Co-ordinated Research Project set up in India with the assistance of Rockefeller Foundation of the USA?

‘Indian Farming’ magazine is a publication of -

Which of the following statements is/are correct about photosynthesis?