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Biology

Biology
Pace maker is related with

Lung
Kidney
Heart
Brain

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Biology
The transport of organic substances in plants is through

Phloem
Wood
Fibers
Xylem

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Biology
Which of the following vitamins acts like hormone?

Vitamin A
Vitamin B
Vitamin C
Vitamin D

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Biology
It is composed of two polynucleotide chains which are coiled round each other in the form of a double helix.

RNA
DNA
Fats
None of these

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Biology
The site in ovule where funicle is attached

Chalaza
Nucellus
Hilum
Raphe

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Biology
Some species of which of the below kinds of organisms are employed as biopesticides?1.Bacteria 2. Fungi 3. Flowering plants

1 and 3 only
1 only
2 and 3 only
1, 2 and 3

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