A. Molecules are present in all the cells and tissues and also in the inter cellular spaces.
B. Environmental factors tend to break down the organisation of the living organisms, and hence they require repair & maintenance of their structures. This in turn requires movement of molecules.
C. Molecular movements have nothing to do with life.
D. Since cells are made up of molecules, so unless the molecules move, the cells wouldn't, and unless cells move we cannot. So in order for us to move, molecules must move.
A. So that the iodine is better absorbed in leaf.
B. So that the chlorophyll is removed from the leaf.
C. To destroy the cell walls of the leaf cells.
D. None of the above.
A. To absorb the Oxygen present inside the sealed chamber.
B. To absorb the moisture (H2O) inside the sealed chamber.
C. To absorb the carbon dioxide (CO2) inside the sealed chamber.
D. It acts as a catalyst to the process of photosynthesis.
A. To activate the enzyme Pepsin.
B. To break down the starch.
C. To activate the enzyme Lactase
D. None of the above.
A. Pepsin, Salivary Amylase, Bile
B. Salivary Amylase, Trypsin, Bile
C. Maltase, Pepsin, Bile
D. None of the above
A. Cells, muscle cells
B. Bacteria cells, Yeast cells
C. Cytoplasm, Mitochondria
D. Cytoplasm, Cytoplasm
A. 30.5 kJ/mol
B. 36 kJ/mol
C. 30.5 J/mol
D. 36 J/mol
A. Carboxy haemoglobin
B. by the process of diffusion
C. dissolved CO2 in blood
D. Carbamino haemoglobin
A. 80 sq. metre
B. 80 sq. cm
C. 20 sq. metre
D. 20 sq. cm
A. Birds and Mammals
B. Reptiles and Amphibians
C. Fishes
D. None
A. 80/120
B. 120/80
C. 120 cm / 80 cm of Hg
D. 120mm / 80 mm
A. Carries digested and absorbed fat from intestine.
B. Drains excess fluid from extracellular spaces back into blood.
C. Transports immune cells
D. All of the above.
A. regulation of plant body temperature.
B. uptake of water from roots.
C. upward conduction of SAP
D. All of the above.
A. glomerulous
B. bowmann's capsule
C. nephron
D. uretor
A. kidney
B. skin
C. lungs
D. large intestine and rectum
A. 180 L
B. 180 L to 185 L
C. 1 L to 2 L
D. 178 L to 179 L
A. Gums and Resins
B. materials stored in leaves that fall off
C. waste substances into the soil
D. All of the above
1. a, 2. b, 3. c, 4. a, 5. b, 6. d, 7. a, 8. c, 9. a,
10. c, 11. d, 12. d, 13. d, 14. c, 15. d, 16. d, 17. d
