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Farmers have reported 50% higher yield o...

Farmers have reported 50% higher yield of rice by using biofertilizer

A

Rhizobium culture

B

Cyanobacteria

C

Mycorrhizae

D

Azolla pinnata

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Farmers have reported have reported 50% higher yiels of Rice by using biofertilizer

(Allocation problem) A cooperative society of farmers has 50 hectare of land to grow two crops X and Y. The profit from crops X and Y per hectare are estimated as rs. 10,500 and Rs. 9,000 respectively. To control weeds, a liquid herbicide has to be used for crops X and Y at rates of 20 litres and 10 litres pre hectare. Further, no more than 800 litres of herbicide should be used in order to protect fish and wild life using a pond which collects drainage from this land. How much land should be allocated to each crop so as to maximise the total profit of the society?

In.an examination. 50%of the condidates have passed in mathematics 50% have passed in physics, while 41% have passed in both the subjects. Find the total number of candidates if..41 of them have failed in both subjects. (By., using set theory).

A rifleman is firing at a distance target and hence has only 10% chance of hitting it. Find the number of rounds; he must fire in order to have more than 50% chance of hitting it at least once.

Two farmers Ramkishan and Gurcharan Singh cultivates only three varieties of rice namely Basmati, Permal and Naura. The sale (in Rupees) of these varieties of rice by both the farmers in the month of September and October are given by the following matrices A and B. A=overset("Septermber Sales (in Rupees)")overset("Basmati Permal Naura")([("10,000","20,000","30,000"),("50,000","30,000","10,000")]){:("Ramkishan"),("Gurcharan Singh"):} B=overset("October Sales (in Rupees)")overset("Basmati Permal Naura")([("5,000","10,000","6000"),("20,000","10,000","10,000")]){:("Ramkishan"),("Gurcharan Singh"):} (i) Find the combined sales in September and October for each farmer in each variety. (ii) Find the decrease in sales from September to October. (iii) If both farmers receive 2% profit on gross sales, compute the profit for each farmer and for each variety sold in October.

On the occasion of World Health day, Dr. Satpal organized a 'health camp' for the poor farmers living in a nearby village. After check-up, he was shocked to see that most of the farmers suffered from cancer due to regular exposure to pesticides and many were diabetic. They distributed free medicines to them. Dr. Satpal immediately reported the matter to the National Human Rights Commission (NHRC). On the suggestions of NHRC, the government' decided to provide medical care, financial assistance, setting up of super-speciality hospitals for treatment and prevention of the deadly disease in the affected villages all over India. What type of analgesics are chiefly used for the relief of pains of terminal cancer?

A tram is moving with an acceleration of 49 cm .s^(-2) using 50% of its motor power the remaining 50% is used up to overcome friction. Find the coefficient of friction between the wheel and the tram line.

A metal sphere of radius r and specific heat s is rotated about an axis passing through its centre at a speed of n rotations per second. It is suddenly stopped and 50% of its energy is used in increasing its temperature. Prove that the raise in temperature of the sphere is (2pi^(2)n^(2)r^(2))/(5s) .

A carrier wave of peak voltage 15 V is used to transmit a message signal. Find the peak voltage of the modulating signal in order to have a modulation index of 60%.

TRUEMAN BIOLOGY-MICROBES IN HUMAN WELFARE -Multiple choice question
  1. Green manure plants belong to

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  2. Which of the following is free-living aerobic non-photosynthetic nitro...

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  3. Farmers have reported 50% higher yield of rice by using biofertilizer

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  4. Yoghurt is produced with the help of

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  5. Citric acid is obtained from

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  6. Which one of the following is used in the production of alcohol ?

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  7. Besides dung ,the weed that can be used in biogas production i...

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  8. First bioinsecticide developed commercially was

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  9. Streptomyces venezuelae is used to obtain:

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  10. If BOD of sample water is very high, the sample is

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  11. The microorganism used in production of biogas

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  12. In 1928 , a scientist discovered an antibiotic which was found to be v...

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  13. Devine and Collego are two trade names for

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  14. Penicillin inhibits bacterial multiplication because

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  15. Biogas production from waste biomass with the help of methanogenic bac...

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  16. Rennet was isolated by

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  17. Besides dung ,the weed that can be used in biogas production i...

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  18. Bt toxin is : 1. intracellular lipid 2. intracellular crystalline pro...

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  19. Which one is used for preparation of bread? 1. Lactobacillus 2. Stre...

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  20. An enzyme that can stimulate germination of barley seeds is

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