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Biology

Biology
Different forms of genes are called

None of these
Allele
Genomes
Genotypes

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Biology
Which of the following is not an enzyme?

Ptyalin
Pepsin
Trypsin
Oxytocin

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Biology
Which of the following is responsible for giving colour to human skin?

Haemoglobin
Luciferin
Melanin
Flavonoids

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Biology
The biofertilizer used or the paddy crops is

Blue-green algae
Fungal root fungal
Azetobactor species
Rhizobium species

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Biology
Which one of the following processes takes place in lakes during eutrophication?

Excessive entry of nutrient into water
Rapid destruction of algal growth
Excessive availability of dissolved oxygen
Loss of dissolved nutrients from water

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Biology
Volvox colonies are found in

Seawater
Salt lakes
Freshwater ponds
Spring

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