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8प्र: What role does photosynthesis play in the carbon cycle? 745 05b5cc669e4d2b4197774bf58
5b5cc669e4d2b4197774bf58- उत्तर देखें
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उत्तर :
व्याख्या :
In the process of photosynthesis, plants need the sun's energy, water to make food for themselves in the form of ATP ( adenosine triphosphate ) , which is packages of energy. Carbon : coming into the plants ( or algae ) along with water make those ATP into a bigger molecule, which is know as glucose. Formula: 6 CO2 + 6 H2O + Suns Energy -> glucose + oxygen Photosynthesis has an affect on the carbon cycle because it reduces the amount of CO2 in the air and redirects it into sugars which feeds animals as well as humans. Hence, Photosynthesis removes CO2 from the atmosphere and replaces it with O2.
प्र: A can complete a work in 12 days with a working of 8 hours per day. B can complete the same work in 8 days when working 10 hours a day. If A and B work together, working 8 hours a day, the work can be completed in --- days ? 744 05b5cc6f4e4d2b4197774f00e
5b5cc6f4e4d2b4197774f00e- 151/24false
- 287/5false
- 357/12false
- 460/11true
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उत्तर : 4. "60/11"
व्याख्या :
Answer: D) 60/11 Explanation: A can complete the work in 12 days working 8 hours a day => Number of hours A can complete the work = 12×8 = 96 hours => Work done by A in 1 hour = 1/96 B can complete the work in 8 days working 10 hours a day => Number of hours B can complete the work = 8×10 = 80 hours => Work done by B in 1 hour = 1/80 Work done by A and B in 1 hour = 1/96 + 1/80 = 11/480 => A and B can complete the work in 480/11 hours A and B works 8 hours a day. Hence total days to complete the work with A and B working together = (480/11)/ (8) = 60/11 days
प्र: Which Color has the Longest Wavelength? 713 05b5cc6ace4d2b4197774d0ac
5b5cc6ace4d2b4197774d0ac- 1Violetfalse
- 2Yellowfalse
- 3Redtrue
- 4Whitefalse
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उत्तर : 3. "Red"
व्याख्या :
Answer: C) Red Explanation: The visible colors from Longest wavelength to Shortest wavelength are :: Red, Orange, Yellow, Green, Blue and Violet. Red > Orange > Yellow > Green > Blue > Violet. 1. Infrared radiation has a longer wavelength than visible Red light. 2. Ultraviolet radiation has a shorter wavelength than the visible violet light. 3. The white light is a mixture of the colors of the visible spectrum.
प्र: What is the maximum number of characters when applying MsgBox and InputBox ? 702 05b5cc6cee4d2b4197774e218
5b5cc6cee4d2b4197774e218- उत्तर देखें
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उत्तर :
व्याख्या :
The maximum number of characters allowed is 1024 characters.
प्र: What does Earned Income Tax Credit (EITC) means ? 699 05b5cc6cce4d2b4197774e143
5b5cc6cce4d2b4197774e143- उत्तर देखें
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उत्तर :
व्याख्या :
The United States Federal Earned Income Tax Credit (EITC) is a refundable tax credit, that helps low and medium - income individuals and couples, primarily for those who have qualifying children.
प्र: Which Bank has become the first bank in India to launch DigiPOS, a Point of Sale (POS) machine ? 632 05b5cc6c9e4d2b4197774df92
5b5cc6c9e4d2b4197774df92- 1Yes Bankfalse
- 2HDFC Banktrue
- 3ICICI Bankfalse
- 4SBIfalse
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उत्तर : 2. "HDFC Bank"
व्याख्या :
Answer: B) HDFC Bank Explanation:
प्र: Which day is celebrated by United Nations Educational, Scientific and Cultural Organization (UNESCO) on May 3 ? 626 05b5cc6e3e4d2b4197774ecd9
5b5cc6e3e4d2b4197774ecd9- 1World Press Freedom Daytrue
- 2World Health Day B. CD.false
- 3International Yoga Dayfalse
- 4World Malaria Dayfalse
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उत्तर : 1. "World Press Freedom Day"
व्याख्या :
Answer: A) World Press Freedom Day Explanation:
प्र: Which of the following is an Abiotic factor? 617 05b5cc6a1e4d2b4197774cac2
5b5cc6a1e4d2b4197774cac2- 1Plantsfalse
- 2Watertrue
- 3Consumersfalse
- 4Animalsfalse
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उत्तर : 2. "Water"
व्याख्या :
Answer: B) Water Explanation: Abiotic and biotic factors are what make up an ecosystem. Abiotic factors are all nonliving components of an ecosystem. These factors include chemical and geological features such as water or lack of water, soil, rocks, and minerals. Other abiotic factors include physical components such as the temperature and weather affecting the ecosystem. The biotic factors in an ecosystem include all living things. All plants, animals, fungi, protists, and bacteria within an ecosystem make up that system's biotic factors. The biotic factors can be broken down further into producers, consumers, and decomposers. The biotic factors present in an ecosystem are highly dependent on the abiotic factors that are present. Even slight changes to either factor can have a major consequence upon the system as a whole.