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Biology

Biology
The site in ovule where funicle is attached

Chalaza
Nucellus
Raphe
Hilum

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Biology
The chromosome number 2n is known as

None of these
Triploid number
Diploid number
Haploid number

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Biology
Compared to land, the open oceans

Contain unlimited nitrogen
Are nutrient-poor environments
Are rich in silica and iron
Are nutrient-rich environments

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Biology
Human beings' hearing range is ________ .

40 to 40,000 Hz
50 to 50,000 Hz
30 to 30,000 Hz
20 to 20,000 Hz

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Biology
Volvox colonies are found in

Seawater
Salt lakes
Spring
Freshwater ponds

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Biology
Plants absorb dissolved nitrates from soil and convert them into

proteins
urea
ammonia
free nitrogen

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MORE MCQ ON Biology

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