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CBSE Class 10 Answered

how desert plants perform photosynthesis if their stomata remain closed during the day?
Asked by yaradhna875 | 27 Oct, 2020, 22:25: PM
answered-by-expert Expert Answer
Such plants undergo CAM photosynthesis as they open up their stomata during night and take in CO2 . Stomata remains close during the day time to prevent the loss of water by transpiration. They store the CO2 in their cells until the sun comes out and they can carry on with photosynthesis during the day time.
Answered by Ramandeep | 30 Oct, 2020, 19:40: PM
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CBSE 10 - Science
total mass of 100 Atoms of silicon is
Asked by khasimgt1982 | 11 Sep, 2024, 09:27: AM
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CBSE 10 - Science
a person needs a lens of power,- 5.5 diopters for correcting his distant vision. for correcting his near vision he needs a lens of power + 1.5 the after what is the focal length of the lens required for correcting (1) distant vision (2) near vision
Asked by jasonop519 | 05 Sep, 2024, 15:24: PM
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CBSE 10 - Science
why the red objects don't show longer wavelengths
Asked by nayaktrailokyanath78 | 04 Sep, 2024, 04:01: AM
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CBSE 10 - Science
a beam of light passes from air to substance X. if angle of incidence be 72° and angle of refraction is 40° calculate the refractive index of substance X.(Given sin72°=0.951 and sin40°=0.642)
Asked by sulakshanapalutla | 01 Sep, 2024, 19:37: PM
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CBSE 10 - Science
natural phenomenon caused due to refraction with diagrams
Asked by sathyakumari653 | 25 Aug, 2024, 21:14: PM
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CBSE 10 - Science
how do you find experimentally the refractive index of material of a prism
Asked by rachanaveen73 | 11 Aug, 2024, 16:46: PM
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CBSE 10 - Science
A person having near sightedness can see the objects at a distance of more than 30 cm from his eye. Which type of lens and of what focal length will be needed to see the object a kept at infinity?
Asked by princekashyap251201 | 06 Aug, 2024, 22:25: PM
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CBSE 10 - Science
name a metal which makes iron hard and strong
Asked by praveendeepauma | 02 Aug, 2024, 21:35: PM
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CBSE 10 - Science
a niddle 10cm long placed at 40cm from a convex lens of focal length 15 CM. find position nature and size of the image.also draw ray diagram
Asked by dkaryalkr1982 | 31 Jul, 2024, 21:03: PM
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CBSE 10 - Science
when we see far objects why does the focal length decreases and when we see near objects why does the focal length increase??
Asked by ahanafdo | 15 Jul, 2024, 23:38: PM
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