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Biology

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

Larva
Pupa
Adult
Egg

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Biology
Which of the following serves as a nutritive tissue for the growing embryo?

Ovule
Zygote
Endosperm
Ovary

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Biology
Plants developing in dry conditions are

mesophytes
xerophytes
hydrophytes
ithophytes

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Biology
Which of the following is not a function of saliva?

Contains fluoride to harden the tooth enamel
Moistens food and helps stick it together to make it easier to swallow
Helps clean the mouth
Begins the chemical breakdown of starches

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Biology
Norepinephrine increases

respiration
saliva production
blood pressure
urine production

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Biology
Each stamen has a slender stalk or filament at the top of which a pollen bearing organ is present

Anther
Filament
Ovary
Stigma

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MORE MCQ ON Biology

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