Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?

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#Question id: 3008

#2. Cellular Organization

The structures present in the hay infusions used in experiments on spontaneous generation that made them difficult to sterilize are

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#Question id: 17666

#11. Evolution and Behavior

 In the Mesozoic era, periods included;

A. Cretaceous

B. Jurassic

C. Triassic

i) Increase of dicotyledons

ii) Seeds ferns disappear

iii) Rapid development of angiosperms

iv) Spread of cycads and conifers

v) Gymnosperms declined

Find out the correct match of given period with their plants diversification events;

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#Question id: 16103

#7. System Physiology – Animal

The set point level for body temperature is situated in:

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#Question id: 23430

#Aptitude

Pointing to a photograph Lata says, “He is the son of the only son of y grandfather.” How is the man in the photograph related to Lata?

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#Question id: 3036

#2. Cellular Organization

During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?