CISCE Board - Class 6

Plant & Animal Systems question bank (Biology)

Practice 261 free CISCE Board - Class 6 Biology - Plant & Animal Systems questions with answers and step-by-step solutions.

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Q1.

Plant Physiology (Transpiration): In 'The Leaf: Structure, Venation, Photosynthesis and Transpiration', transpiration is beneficial because it:

(A)
Creates suction pull for ascent of sap and provides cooling effect (The Leaf: Structure, Venation, Photosynthesis and Transpiration)
(B)
Desiccates plants unnecessarily
(C)
Stops root water absorption
(D)
None of these
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Q2.

Circulatory System: What is the function of red blood cells (erythrocytes) in 'The Leaf: Structure, Venation, Photosynthesis and Transpiration'?

(A)
Transport oxygen to tissues via haemoglobin as oxyhaemoglobin (The Leaf: Structure, Venation, Photosynthesis and Transpiration)
(B)
Produce blood clotting fibrin
(C)
Engulf foreign bacteria
(D)
None of these
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