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Biology

Biology
If CO2 concentration in the blood increases, the breathing will

Decrease
No effect
Stop
Increase

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Biology
Which one of the following phylum is characterised by absence of true coelom

Nematoda
Annelida
Mollusca
Echinodermata

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Biology
Which of the following organelle is known as the 'Power House' of the cell?

Ribosomes
None of these
Mitochondria
Golgi Bodies

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Biology
During the metaphase and anaphse stages of cell division,each chromosome comprises of two unseparated replicas known as the

Plastids
Tetrads
Chiasmata
Chromatids

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Biology
In which of the following stages of silkworm, silk is secreted

Pupa
Larva
Adult
Egg

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Biology
The plasma of the blood contains which among the following constituents?I. ProteinsII. SaltsIII. Hormones

Only I and III
Only II and III
All I, II and III
Only I and II

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