A. Carbon tetra-chloride
B. Alcohol
C. Organic solvents
D. Water
Show AnswerAnswer= Option D
Biology
Which of the light is mainly absorbed by the plants :
A. Orange
B. Red
C. Green
D. Both A and B
Show AnswerAnswer= Option D
Which of the following light is least absorbed by the plants :
A. Orange
B. Red
C. Blue
D. Green
Show AnswerAnswer= Option D
Visible light used in photosynthesis ranges from :
A. 300 – 700 nm in wavelength
B. 350 – 750 nm in wavelength
C. 380 – 750 nm in wavelength
D. 390 – 790 nm in wavelength.
Show AnswerAnswer= Option C
Van Neil hypothesis about the production of oxygen during photosynthesis was based on the study and investigations on ______?
A. Bacteria
B. Algae
C. Protenema
D. Cyanobacteria
Show AnswerAnswer= Option A
The point at which there is no net exchange of gases between leaves and atmosphere is known as _____ ?
A. Neutral point
B. Compensation point
C. Parallel point
D. Competitive point
Show AnswerAnswer= Option B
Net yield of H2O in Photosynthesis is _____?
A. 1 molecule
B. 6 molecules
C. 3 molecules
D. 0 molecule
Show AnswerAnswer= Option D
Of the following which one is not an energy releasing process?
A. Glycolysis
B. Respiration
C. Photosynthesis
D. Kreb’s cycle
Show AnswerAnswer= Option C
The organisms able to use sunlight directly as a source of energy are
A. Plants
B. Animals
C. Omnivores
D. Fungi
Show AnswerAnswer= Option A
Quantitative study of energy relationships in biological systems obeys.
A.Bioenergetics
B.Laws of thermodynamics
C.Laws of thermo chemistry
D.Laws of chemical energetic
Show AnswerAnswer= Option B