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What is the Ph value of human blood?

• 7.40

• 7

• 0

• 8

The rarest blood group is

• AB positive

• B negative

• AB negative

• O negative

The metal present in the haemoglobin is

• Copper

• Calcium

• Iron

• Aluminium

Age of fishes was known as

• Devonian

• Ordovician

• Crustaceous

• Silurian

The metal present in the chlorophyll is

• Calcium

• Aluminium

• Zinc

• Magnesium

The important sugar in honey is

• Lactose

• Fructose

• Maltose

• Sucrose

The number of Chromosomes in the human gene is

• 23

• 48

• 46

• 24

Viticulture is related with

• Grapes

• Pine Apple

• Orange

• Strawberry

Which of the following acid present in Vinegar?

• Citric Acid

• Acetic Acid

• Oxalic Acid

• Malic Acid

The longest and largest bone in the human body is

• Spinal Cord

• Humerus

• Fibula

• Femur