திராவிட மொழிகளின் உயர்திணை ஒருமை எவ்வாறு பகுக்கப்படுகிறது
Answers
திணை எனப்படும் உயர்திணை, அஃறிணையையும், பால் எனப்படும் ஆண்பால், பெண்பால், பலர்பால், ஒன்றன்பால், பலவின்பால் ஆகியவற்றையும் எண் எனப்படும் ஒருமை-பன்மை பற்றியும், இடம் எனப்படும் தன்மை-முன்னிலை-படர்க்கை பற்றியும் மூவகைக் காலமான இறந்தகாலம்-நிகழ்காலம்-எதிர்காலம் பற்றியும் பொருள் வேறுபாட்டிற்காக வரும் வேற்றுமைகள் பற்றியும்
Q28.
The filtration units of kidneys are called
A
Ureter
B
Urethra
C
Neurons
D
Nephrons
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Q29.
Oxygen liberated during photosynthesis comes from
A
Water
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B
Chlorophyll
C
Carbon dioxide
D
Glucose
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Q30.
The blood leaving the tissues becomes richer in
A
Carbon dioxide
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B
Water
C
Heamoglobin
D
Oxygen
Q31.
Which of the following is an incorrect statement?
A
Organisms grow with time
B
Organisms must repair and maintain their structure
C
Movement of molecules does not take place among cells
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D
Energy is essential for life processes
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Q32.
The internal (cellular) energy reserve in autotrophs is
A
Glycogen
B
Protein
C
Starch
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D
Fatty acid
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Q33.
Which of the following equations is the summary of photosynthesis?
A
6CO_{2} + 12H_{2}O\rightarrow C_{6}H_{12}O_{6} + 6O_{2} + 6H_{2}O6CO
2
+12H
2
O→C
6
H
12
O
6
+6O
2
+6H
2
O
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B
6CO_{2} + H_{2}O+6CO
2
+H
2
O+sunlight\rightarrow C_{6}H_{12}O_{6} + O_{2} + 6H_{2}O→C
6
H
12
O
6
+O
2
+6H
2
O
C
6CO_{2} + 12H_{2}O+6CO
2
+12H
2
O+sunlight++Chlorophyll\rightarrow C_{6}H_{12}O_{6} + 6O_{2} + 6H_{2}O→C
6
H
12
O
6
+6O
2
+6H
2
O
D
6CO_{2} + 12H_{2}O+6CO
2
+12H
2
O+sunlight++Chlorophyll\rightarrow C_{6}H_{12}O_{6} + 6CO_{2} + 6H_{2}O→C
6
H
12
O
6
+6CO
2
+6H
2
OQ34.
Choose the event that does not occur in photosynthesis
A
Absorption of light energy by chlorophyll
B
Reduction of carbon dioxide to carbohydrates
C
Oxidation of carbon to carbon dioxide
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D
Conversion of light energy to chemical energy
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Q35.
The opening and closing of the stomatal pore depends upon
A
Oxygen
B
Temperature
C
Water in guard cells
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D
Concentration of CO_{2}CO
2
in stomata
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Q36.
Choose the forms in which most plants absorb nitrogen
(i) Proteins
(ii) Nitrates and Nitrites
(iii) Urea
(iv) Atmospheric nitrogen
A
(i) and (ii)
B
(ii) and (iii)
C
(iii) and (iv)
D
(i) and (iv)