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With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organisms feed upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustrates the numbers of each organism which are eaten by others. Which of the statements given above is/are correct?
In the New Year’s party 500 were invited. 200 people opted for Indian food, 150 eaten Italian food and 100 people taken continental food. 14 people have taken both Indian and Italian food, 10 people have taken both Italian and continental food and 15 people have eaten both Indian and continental food. 6 people have taken all three kind of food. Find how many people have only Italian food?
Each step or level of a food chain forms a trophic level. Which of the following is at the first trophic level of the said food chain?
Which of the listed organizations in the supply chain can implement ISO 22000? 1) food manufacturing 2) food ingredient manufacturing 3) food additives manufacturing 4) transportation of food 5) packaging of food 6) retail or wholesale dealer 7) Restaurants 8) food equipment production
Consider the following statements regarding the food chain: 1. In the grazing food chain, the primary source of energy is living plant biomass. 2. In the detritus food chain, the source of energy is dead organic matter Which among the following above given statements is/are correct?
A company paid Rs. 6,00,000 as bonus to its employees at different levels A, B and C. Each employee at level A receives one and half times of the amount that was paid to each employee at level B and each employee at level B was paid twice the amount paid to the employee at level C. If 50 employees were on level A, 75 on level B and 100 on level C, how much amount was paid to each employee of level A ?
In the New Year’s party 500 were invited. 200 people opted for Indian food, 150 eaten Italian food and 100 people took continental food. 14 people have taken only both Indian and Italian food, 10 people have taken only both Italian and continental food and 15 people have eaten only both Indian and continental food. 6 people have taken all three kind of food. Find how many people have not attended the party?
A pesticide which is a chlorinated hydrocarbon is sprayed on a food crop. The food chain is Food crop - Rat - Snake - Hawk. In this food chain, the highest concentration of the pesticide would accumulate in which one of the following?
Five friends Lakshmana, Muskaan, Harish, Kumar and Pikun, “are having food, each of whom is in one of these five hotels – Kent, Pushpak, Hyatt, Lalit and Marriott. 1. The first letter of the hotel is not the same as the first letter of the person having food. 2. Muskaan and Pikun are not eating in Kent. 3. Harish is not eating food in Pushpak or Kent. 4. Kumar is not eating food in Pushpak. 5. Pikun is not eating food in Lalit or Hayat. Where is Kumar eating food?
The length of a survey line was measured with a 20 m chain and was found to be equal to 1200 m. If the length again measured with 25 m chain it is 1212 m. On comparing the 20 m chain with the test gauge, it was found to be 1 decimeter too long. Find the actual length of 25 m chain used.