Biology Fsc Part 1 Chapter 11 Online Test With Answers

image
image
image

Biology Fsc Part 1 Chapter 11 Online Test

Sr. # Questions Answers Choice
1 Absorption of blue light is maximum at 430 nm 550 nm 750 nm 670 nm
2 Daily rhythmic opening and closing of stomata is. Internal clock External clock Both internal and external clock None of these
3 Carbon di oxide enters the leaves through. epidermis Cuticle Stomata Air space
4 The first action spectrum was obtained by. T.W. Engelmann Van Neil Melvin Calvia Ernst Haeckel
5 Engelmann used in his experiment in 1883 sprogyra Aerobic bacteria Anaerobic bacteria Both a and b
6 When equal intensities of light are given more photosynthesis takes place in spectrum. Blue Orange Red Greem
7 Which metal atom is present in chlorophyll. Cu Fe Mg K
8 Haem portion of hemoglobin is also a porphyria ring but containing an iron atom instead of. Nitrogen atom Sulpher atom Magnesium atom Potassium atom
9 Magnesium of chlorophyll is replaced in hemoglobin by. Calcium Iron Potassium Phosphorus
10 Photosynthetic pigments organized into clusters are called. Tkoids Photosynthesis Stroma Granna
11 Chlorophyll 'a' is Yellow green Orange green Blue green Green black
12 chlorophylls are insoluble in. Alcohol Acetone Carbon tetra chloride Water
13 Photosynthetic pigments are the substances that absorb visible light having wave length. 150-340 nm 230-450 nm 380-750 nm 350-780 nm
14 Haem portion of hemoglobin is same to porphyrin ring with a difference of. Carbon atom Hydrogen atom Iron atom Oxygen atom
15 Chlorophyll molecule contains except. Magnesium Iron Calcium Phosphorus
16 One of the following is not an accessory pigment. chlorophyll 'a' Xanthophyll Carotenes Chlorophyll 'b'
17 Accessory photosynthetic pigment xanthophyll's are Green in colour Red in colour Yellow in colour None of these
Download This Set
×