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Biology

Biology
Accumulation of which one of the following in the leads to cramp?

Glucose
Ethanol
Lactic acid
Pyruvic acid

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Biology
Asexual reproduction differs from sexual reproduction in that in asexual reproduction, ________

The gametes are produced in reproduction
The new organisms are genetically identical to the parent
The offspring shows variations
The nuclei of gametes fuse

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Biology
The outermost layer in a plant cell is

Plasma membrane
Cell wall
Cell membrane
Nuclear membrane

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Biology
Pickles, candies ,jams and breads are preserved by the much of adding

Preservattives
None of these
Enzymes
Minerals

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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

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

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Biology
Which of the following organisms fix nitrogen in aquatic ecosystems

Phytoplankton
Cyanobacteria
Chemoautotrophs
Fungi

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