Photosynthesis (Photosynthesis as a means of Autotrophic Nutrition; Site of Photosynthesis take place; Pigments involved in Photosynthesis (Elementary idea); Photochemical and Biosynthetic Phases of Photosynthesis; Cyclic and Non Cyclic and Photophosphorylation...) NEET Questions

Biology - Plant Physiology

Photosynthesis (Photosynthesis as a means of Autotrophic Nutrition; Site of Photosynthesis take place; Pigments involved in Photosynthesis (Elementary idea); Photochemical and Biosynthetic Phases of Photosynthesis; Cyclic and Non Cyclic and Photophosphorylation...) MCQ Questions


7.
Joseph Priestley discovered oxygen in the year:
A.
1774
B.
1804
C.
1854
D.
1770
😑 View Answer Rough Work Error
ANSWER :
A. 1774
8.
Priestley's bell jar experiment with mint plant proved that:
A.
Plants absorb only nitrogen
B.
Plants need water to grow
C.
Plants release CO2 in dark
D.
Plants restore air damaged by candles or animals
😑 View Answer Rough Work Error
ANSWER :
D. Plants restore air damaged by candles or animals
9.
Jan Ingenhousz showed that:
A.
Chlorophyll is located in chloroplasts
B.
Sunlight is essential for plant process that purifies air
C.
CO2 is released only in light
D.
Glucose is the first product of photosynthesis
😑 View Answer Rough Work Error
ANSWER :
B. Sunlight is essential for plant process that purifies air
10.
In Ingenhousz's experiment with aquatic plants, the bubbles formed in bright sunlight were of:
A.
Oxygen
B.
Hydrogen
C.
Carbon dioxide
D.
Nitrogen
😑 View Answer Rough Work Error
ANSWER :
A. Oxygen
11.
Julius von Sachs in 1854 provided evidence for:
A.
Role of chlorophyll a as reaction centre
B.
Oxygen evolution from water
C.
Path of carbon in photosynthesis
D.
Production of glucose during plant growth
😑 View Answer Rough Work Error
ANSWER :
D. Production of glucose during plant growth
12.
T.W. Engelmann used which alga to describe the first action spectrum of photosynthesis?
A.
Ulothrix
B.
Cladophora
C.
Spirogyra
D.
Chlorella
😑 View Answer Rough Work Error
ANSWER :
B. Cladophora