Subject :NSO Class : Class 6
Class : Class 7
Let’s calculate -10 to the 5th power seconds = 105 = 100,000 secondsNow, 60 seconds = 1 minuteOr, 60 x 60 seconds = 3600 seconds = 1 hourOr, 1 second = 1/3600 hourOr, 100,000 seconds = (1/3600) x 100,000 hours = 1000/36 hours = 27.78 hoursNow, let’s see this amount of time is closer to which of the following options:A. Of a full length movie ----- The standard time of a full length movie is 2 hours. So, this option is Incorrect.B. For the Earth to rotate once ----- Earth rotates once in about 24 hours with respect to the Sun. 24 hours is the nearest to 27.78 hours. So, this option is Correct.C. Of an average human lifetime ----- Average human life-time is about 79 years. So, this option is Incorrect.D. Since humans first appeared on the Earth ----- The earliest fossils of anatomically modern humans are from the Middle Paleolithic Age, about 200,000 years ago. So, this option is Incorrect.That means the right answer is Option B.
Subject :NSO Class : Class 6
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Subject :NSO Class : Class 6
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Subject :NSO Class : Class 5
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 7
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Class : Class 5
for me in the question paper while I was writing it it showed me 'starch is needed for photosyenthesis '.
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Subject :NSO Class : Class 3
The processes in the life cycle of a flowering plant are given here in random order.
a → Seeds develop | b → Flowers bloom |
c → Seeds germinate | d → Flowers get pollinated |
e → New plant grows | f → Seeds disperse |
Select the option that arranges these processes in correct order.
Ae → c → b → d → a → f
Bc → e → b → d → a → f
Ce → c → d → b → a → f
Dc → e → d → b → f → a
b