1. The process which makes major difference between C-3 and C-4 plants is (NEET-II 2016)
a) glycolysis (b) Calvin cycle
(c) photorespiration (d) respiration
2. Emerson's enhancement effect and red drop have been instrumental in the discovery of (NEET-I 2016)
(a) two photosystems operating simultaneously
(b) photophosphorylation and cyclic electron transport
(c) oxidative phosphorylation
(d) photophosphorylation and non-cyclic electron transport
3. In a chloroplast the highest number of protons are found in (NEET-I 2016)
(a) lumen of thylakoids (b) inter membrane space
(c) antennae complex (d) stroma
4. Correct sequence of involvement of the following in non-cyclic electron transport (EAMCET 2015)
I. PC II. PQ III. Pheo IV. Fd
(a) II, I, III and IV (b) II, II, TV and I
(c) IV, I, II and II (d) III, II, I and IV
5. Choose the correct statement. (EAMCET 2015)
(a) Stroma lamella membrane lacks PS-II and PS-I
(b) When PS-I is functional electrons flow in an non-cyclic way
(c) ATPase are enzyme consists of Fo and F1 units
(d) NADP reductase is a part of PS-II
6. The enzyme responsible for primary carboxylation in C3-plants is (J &K 2015)
(a) pyruvate carboxlases
(b) succinic dehydrogenase
(c) hexokinase
(d) RuBP carboxylase/oxygenase
7. In C3 plants, the first stable compound formed after CO2, fixation is (J&K 2015)
(a) oxaloacetic acid (b) malic acid
(c) phosphoglyceraldehyde (d) 3-phosphoglycerate
8. Which of the elements is found in chlorophyll?
(CG PMT 2015)
(a) Manganese (b) Potassium
(c) Iron (d) Magnesium
9. What is the quantum yield of photosynthesis? (CG PMT 2015)
(a) 33% (b) 9%
(c) 12% (d) 78%
10. The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (CBSE AIPMT 2015)
(a) cristae (b) grana
(c) stroma lamellae (d) stroma
11. The oxygen evolved during photosynthesis comes from water molecules are Which one of the following pairs of elements are involved in this reaction? (CBSE AIPMT Re Exam 2015)
(a) Manganese and chlorine
(b) Manganese and potassium
(c) Magnesium and molybdenum
(d) Magnesium and chlorine
12. In photosynthesis, the light-independent reactions take place at (CBSE AIPMT Re Exam 2015)
(a) thylakoid lumen (b) photosystem-I
(c) photosystem-II (d) stromal matrix
13. ATP synthesis in cell requires (WB JEE 2015)
(a) H+ gradient across the membrane
(b) K+ gradient across the membrane
(c) PO- gradient across the membrane
(d) Ca2+ gradient across the membrane
14. C4 pathway is advantageous over C3 pathway in plants, it (WB JEE 2015)
(a) occurs in relatively low CO2 concentration
(b) uses more amount of water
(c) occurs in relatively low 02 concentration
(d) is less efficient in energy utilisation
15. 4H2O --> 4[H+] + 4[OH-]
In this process which of the following play important role?(Guj. CET 2015)
(a) Chlorophyll (b) Light energy
(c) Ca2+, Mn+, Cl- (d) All of these
