Practice Question and Answer
8 Q: Ramesh walked 3 km. towards the west and then walked 2 km. after turning to the left. Then he turned to his right and walked 3 km. Finally, he turned to his right and walked 2 km. In which direction is he now from his starting point?
2205 05d26f677d6d84865990460db
5d26f677d6d84865990460db- 1Eastfalse
- 2Westtrue
- 3Northfalse
- 4Southfalse
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Answer : 2. "West"
Explanation :
Q: Is blood homogeneous or heterogeneous? 2205 05b5cc626e4d2b4197774b86f
5b5cc626e4d2b4197774b86f- 1Homogeneousfalse
- 2Heterogeneoustrue
- 3Both A & Bfalse
- 4None of the abovefalse
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Answer : 2. "Heterogeneous"
Explanation :
Answer: B) Heterogeneous Explanation: Blood is a heterogeneous mixture because the blood cells are physically separate from the blood plasma. The cells have different properties than the plasma. The cells can be separated from the plasma by centrifuging, which is a physical change.
Q: While travelling downstream, a man can row 16 km more in 4 hours as compared to travelling upstream. What is the speed of the stream?
2204 062b33481fbadac125c6d0edf
62b33481fbadac125c6d0edf- 11.5 km/hfalse
- 21 km/hfalse
- 32 km/htrue
- 41.25 km/hfalse
- 5None of thesefalse
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Answer : 3. "2 km/h"
Q: The difference between the time taken by two trains to travel a distance of 350 km is 2 hours 20 minutes. If the difference between their speeds is 5 km/hr, what is the speed of faster train ? 2204 05b5cc6c9e4d2b4197774df6a
5b5cc6c9e4d2b4197774df6a- 136 kmphfalse
- 230 kmphtrue
- 334 kmphfalse
- 440 kmphfalse
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Answer : 2. "30 kmph"
Explanation :
Answer: B) 30 kmph Explanation: Let the speed of the faster train be 'S' kmph Then speed of the slower train will be '(S-5)' kmph Time taken by faster train = 350/S hrs Time taken by slower train = 350/(S-5) hrs 350s-5 - 350s = 2 hrs 20 min = 213 = 73 => S = 30 km/hr.
Q: Find the missing Number in the following questions :
2204 05e7ed6e04e941d3661d34b01
5e7ed6e04e941d3661d34b01- 114false
- 222false
- 316false
- 410true
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Answer : 4. "10"
Q: Modified Area Development Approach (MADA) Programme was started in the year -
2204 0637b83cec3515a31083d4428
637b83cec3515a31083d4428- 11968-69false
- 21978-79true
- 31974-75false
- 41981-82false
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Answer : 2. "1978-79"
Q: Which of these is unique to flowering plants? 2204 05b5cc67be4d2b4197774c1d6
5b5cc67be4d2b4197774c1d6- 1double fertilizationtrue
- 2an embryo surrounded by nutritive tissuefalse
- 3haploid gametophytesfalse
- 4pollen productionfalse
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Answer : 1. "double fertilization"
Explanation :
Answer: A) double fertilization Explanation: In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm. Hence, double fertilization is unique to flowering plants.
Q: Who releases the Human Development Report?
2203 25d776dc4315eb75b1463b8a1
5d776dc4315eb75b1463b8a1- 1World bankfalse
- 2World economic forumfalse
- 3United Nationstrue
- 4UNCTADfalse
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Answer : 3. "United Nations"
Explanation :
The Human Development Report (HDR) is released by the United Nations Development Programme (UNDP). The report is an annual publication that measures and analyzes various aspects of human development, including factors such as life expectancy, education, and income. It aims to provide a comprehensive overview of the state of human development globally and to stimulate dialogue and policy changes to improve human well-being.