Question
Which of the following statements related to disease
management is/are correct (A). Biological management of disease make use of, hyperparasitism. (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. Choose the correct answer from the options given below:Solution
(A) Biological management using hyperparasitism: True, this involves using one parasite against another to manage crop diseases. (B) Thiram is a contact fungicide: True, thiram is a widely used contact fungicide. (C) Bordeaux mixture components: False, Bordeaux mixture consists of copper sulphate, lime, and water, not ammonium carbonate. (D) Crop rotation as a prophylactic measure: True, rotating crops can prevent the buildup of soil-borne pathogens.
A number series is given below, which follows a specific pattern. If 'A' represents the 'x'th term and 'B' represents ...
19Â Â Â 20Â Â Â Â 29Â Â Â Â 54Â Â Â 103Â Â Â ?
25Â Â Â Â Â Â Â Â Â Â 34Â Â Â Â Â Â Â Â Â Â 61Â Â Â Â Â Â Â Â Â Â 106Â Â Â Â Â Â Â Â 169Â Â Â Â Â Â Â Â ?
...4Â Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â Â 24Â Â Â Â Â Â Â Â Â Â Â 91Â Â Â Â Â Â Â Â Â Â Â 462Â Â Â Â Â Â Â Â Â 2763
18Â Â Â ...
4 6 ? 31 119 601
...64   66   70   73   ?   86
25 30 300 315 6300 ?
...26 63 124 215 342 511 ?
...The series given below contains a sequence of numbers. Accordingly identify the incorrect number.
85, 84, 81, 88, 77, 92, 72
462 478 510 558 ?
...
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