Q.1.
It is advantageous to use a water plant to demonstrate photosynthesis other than a land plant because.
Q.2.
For synthesis of one gram of hexose, the land plant consumes.
Q.3.
Match Column – I with given under Column – II ; choose the answer which gives correct combination:
Column – I(Scientists) Column – II(Contributions)
P. A pigment which absorbs red and far-red light (i) Cytochrome
Q. Main pigment involved in transfer of electrons in (ii) PEP carboxylase photosynthesis is
R. NADPH2 is generated through.... (iii) Photochrome
S. Enzyme which fixes CO2 in C4 plants (iv) Photosystems
Q.4.
In C4 plants, the bundle sheath cells.
Q.5.
In young leaves ratio of carotene to Xanthophyll is ____.
Q.6.
Quantum yield of photosynthesis is ______.
Q.7.
The ionized chl.a+
Q.8.
In chrophyll structure Phytol tail is present at
Q.9.
The volume of O2 librated in photosynthesis has the following ratio to CO2.
Q.10.
Match the following with correct combination
P. Carboxylation (i). Oxygen evolution
Q. Phosphorylation (ii) Photorespiration
R. Photolysis of water (iii) Rubisco
S. Phosphoglycolate (iv) Chemosynthesis
T. Nitrosomonas (v)ATP
Q.11.
The approximate dimension of chlorophyll porphyrin ring is.
Q.12.
RUBISCO enzyme is also called as ______.
Q.13.
Intensity of light increase 20 times, rate of photosynthesis will
Q.14.
If a photosynthsing plant releases O18 , it is concluded that the plant has been supplied with
Q.15.
In con-cyclic photophosphorylation, the electron emitted by P680 is replaced by electron from
Q.16.
In sugarcane plant CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is
Q.17.
Who gave chemical compositions of chlorophyll and carotenoids ?
Q.18.
The Calvin cycle proceeds in three stagesreduction, during which carbohydrate is formed at the expense of the photochemically made ATP and NADPHregeneration, during which the carbon dioxide acceptor ribulose – 1, 5 – biphosphate is formedcarboxylation, during which carbon dioxide combines with ribulose – 1, 5 - biophosphate
Q.19.
Calvin cycle utilize for fixation of 3 molecules of CO2
Q.20.
During dark phase of photosynthesis ______ is oxidized and ______ is reduced
Q.21.
Chlorophyll molecules absorb light energy of wavelength
Q.22.
Calvin cycle represents one of the following phenomenon.
Q.23.
To produce 3 glucose molecules ______ ATP and ______ NADPH2 molecules are required.
Q.24.
In Blackmann’s ‘Law of Limiting Factors’ the rate of photosynthesis continues to increase with the successive increase in the amounts of
Q.25.
Red pigment in tomato is
Q.26.
Which of the following gas would disappear from the atmosphere if all the photosynthetic activities were to stop?
Q.27.
Primary and secondary processes of Photosynthesis takes place in ______ and ______ respectively.
Q.28.
Action spectrum is
Q.29.
All plastids have essentially same structure because
Q.30.
In the calvin cycle, the assimilatory power is used during