List of top Agriculture Questions

Match List-I with List-II

List-I (Disease)	List-II (Symptom)
(A) Downy mildew	(I) Dead areas on the stem bark of woody trees
(B) Blight	(II) Angular and elongated spots appearing on the veins on the lower surface of the leaf
(C) Canker	(III) Cottony growth on the host surface
(D) Anthracnose	(IV) Burnt appearance

Match List-I with List-II:

List-I (Scientist)	List-II (Contribution)
(A) T.H. Morgan	(I) Restriction endonucleases
(B) Kornberg	(II) Recombinant DNA
(C) Nathan and Smith	(III) Sex-linked inheritance
(D) Paul Berg	(IV) DNA polymerase

Choose the correct answer from the options given below:

National Bureau of Agricultural Insect Resources (NBAIR) is located at:

Select the correct sequence of organs in the alimentary canal of insects, starting from mouth:
(A) Ileum
(B) Oesophagus
(C) Crop
(D) Pharynx

Consider the following statements regarding pest management in rice and choose the correct options:
(A) ETL for rice earhead bug in milky stage is 109 bugs/hill.
(B) Use of synthetic pyrethroids may cause resurgence of sucking pest in rice.
(C) Tip drying and orange discoloration of rice leaves is a typical symptom of Recilia dorsalis.
(D) Alternate wetting and drying is a good management technique for controlling B.P.H. in rice.
Choose the correct answer from the options given below:

Hand picking and killing of insects in field is a:

Dropping of seeds in furrow lines in a continuous flow and covering them with soil is called as:

Amrapali is a cross of:

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

Thermal efficiency of diesel engine is:

Place the following jelly making steps in the correct order:
(A) Add sugar, boil and remove any scum
(B) Boiling with water and add citric acid
(C) Cut the fruits into thin slices
(D) Strain the fruit mixture and test for pectin

Match List-I with List-II (Plant and Characteristic).

Which of the following statements about tillage are correct?
(A) Tillage operation in which nearly 30% crop residues are left on the soil surface is called conventional tillage
(B) An open trench left in between two adjacent strips of land after finishing ploughing is called dead furrow.
(C) Jethro Tull was known as father of tillage
(D) Conservation tillage has mitigation effect on climate change

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

The formula of gypsum is:

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

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

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

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

During seed germination, its stored food is mobilized by: