1➤
The disease caused due to deficiency of iron in human diet is :
None of the above
Scurvy
Goitre
Anaemia
2➤
Oxygen rich blood from lungs comes to which chamber of the heart?
Left atrium
Right atrium
Both (1) and (2)
None of the above
3➤
Which of the following have open circulatory system?
Porifera
Arthropoda
Annelida
Coelenterata
4➤
Which of the following is not a component of phloem?
Phloem parenchyma
Sieve tube
Sieve plate
Stone cell
5➤
The function of centrosome is :
Protein synthesis
Formation of spindle fibers
Osmoregulation
Secretion
6➤
Which of the following juice is secreted by pancreas?
Pepsin
Trypsin
Bile juice
Both (1) and (2)
7➤
A person suddenly spots a snake. His heart beat increases and blood pressure also goes up. Which hormone is being released in his body at that time?
Parathomone
Adrenalin
Carticoid
Thyroxine
8➤
In order to balance a chemical equation, it is necessary to satisfy the law of :
Conservation of motion
Conservation of momentum
Conservation of energy
Conservation of mass
9➤
Which one of the following is the weakest acid?
H 2 SO 3
H 2 SO 4
HNO 3
HCL
10➤
In which reaction the addition and the removal of oxygen take place simultaneously?
Oxidation reactions
Redox reaction
Reduction reactions
Precipitation reaction
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