List of practice Questions

Consider the following statements regarding economic importance of fungi and choose the correct statements -
Which of the following statements about extent of infection and perpetuation of pathogen are correct?
(A). Disease which is confined to a particular part or organ is known as systemic disease.
(B). Arhar wilt is a soil-borne disease
(C). Smut disease of cereals are seed-borne
(D). Mildew and rusts are air-borne
Which of the following statements related to disease management is/are correct
(A). Biological management of disease make use of, hyperparasites
(B). Thiram is a contact fungicide
(C). Bordeaux mixture consists of copper sulphate, ammonium carbonate and water.
(D). Crop rotation is a prophylactic measure of disease management
Which of the following terms specifically refers to the practice of rearing stingless bees?
Who did work on the recurrence of wheat rusts in India?
Bacterial cells are more resistant to osmotic shock than eukaryotic cells due to the -
Match List-l with List-Il (Disease and Causal organism).
The number of replications are equal to number of treatments in the -
What is the name of the microbial spray, consisting of a blend of seven fungi, developed by ICAR-IARI for insitu accelerated degradation of paddy straw or parali?
Which of the following is a promising chemical for flower induction in mango?
Which of the following is the correct sequence of reagents used in the Gram staining process?
(A). Iodine
(B). Crystal violet
(C). Safranin
(D). Alcohol
Sequence the principal stages of biological nitrogen fixation in their correct order of occurrence.
(A) Formation of infection thread
(B) Rhizobium multiply to colonize.
(C) Curling of root hair.
(D) Differentiation of cortical cells into nitrogen fixing cells
The Food Corporation of India was established in which year?
What was India’s food grain production in 2021-22?
Which of the following conditions characterizes disguised unemployment?
Which of the following statement is not true for NABARD?
Which one of the following is a good example of subsistence farming?
Conservation Agriculture includes adoption of -
(a) burning of crop residues to manage pests.
(b) minimum tillage
(c) crop rotations
(d) mulching
Diammonium phosphate contains-
Linkage equilibrium can be achieved by:
What is the approximate composition of biogas, generated after decomposition of bio-degradable agricultural waste?
What is the term for the negative effect that a host plant has on the growth of an insect-pest that feeds on it?
Which of the following could be the valid value(s) of the correlation coefficient between two variables?
(a) -1
(b) +1
(c) -2
(d) +2
Choose the correct answer from the options given below.
In a pea flower, five petals are arranged in a specialised manner with one posterior, two lateral and two anterior. These are named as:
Linkage drag is the phenomenon in which: