Q. No.According to the chemiosmotic hypothesis, there is a basic difference between respiration and photosynthesis. This is _____
1.
In chloroplast, H+ accumulation takes place in the lumen of thylakoid but in mitochondria, this takes place in perimitochondrial space.
2.
Accumulation of H+ in chloroplast takes place in matrix i.e., stroma and in mitochondria, this takes place in cristae.
3.
In both the mitochondria and chloroplast the accumulation of H+ takes place in inter-membranous space but with a high rate in mitochondria
4.
Both 1 and 3 are correct.
Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because:
1. The primary fixation of CO2 is mediated via PEP carboxylase
2. Effective pumping of CO2 into bundle sheath cells
3. Four carbon acids are the primary initial CO2 fixation products
4. RuBisCO in C4 plants has a higher affinity for CO2
| Column – I | Column - II | ||
| i. | Jan Ingenhousz | a. | discovery of O2 |
| ii. | Joseph Priestley | b. | Plants restore to the air whatever breathing animals and burning candles remove |
| iii. | T.W Englemann | c. | showed that only the green part of the plants could release oxygen |
| iv. | Julius von Sachs | d. | discovery of production of glucose in plants |
| e. | first action spectrum of photosynthesis | ||
| f. | Using a prism he split light into its spectral components and then illuminated Cladophora, placed in a suspension of aerobic bacteria. |
Which of the following shows the correct match?
| 1. | i-c; ii-b; iii-a, e, f; iv-d |
| 2. | i-a, b; ii-c; iii-d; iv- e, f. |
| 3. | i-a; ii- b; iii- c, e; iv-f. |
| 4. | i-c, ii-a,b; iii-e, f; iv-d; |
Where does photosynthesis takes place?
1. in green leaves
2. in green parts of plant
3. in leaves
4. in complete plant
The _____________ in the leaves, have a large number of_________, which align themselves along the walls of the ____________, such that they get the __________quantity of the incident light.
1. chloroplasts, chlorophyll, chloroplasts, optimum
2. mesophyll cells, chlorophyll , mesophyll cells, optimum.
3. mesophyll cells, chloroplasts, mesophyll cells, optimum.
4. mesophyll cells, chloroplasts, mesophyll cells, minimum
Identify a,b,c and d labellings in the following diagram.
1. i - stroma lamella; ii- thylakoid; iii-stroma; iv-genetic material
2. i- stroma lamella; ii- grana; iii-stroma; iv-starch granule
3. i- grana; ii- lamella; iii-stroma; iv-starch granule
4. i- stroma lamella; ii- grana; iii-cytoplasm; iv-starch granule
Which of the following is present in membrane of stroma lamellae?
1. NADP reductase
2. PS-I
3. PS-II
4. water splitting complex.
The difference in development of proton gradient in photosynthesis and respiration is-
| 1. | Photosynthesis has thylakoid membrane across which proton gradient is generated |
| 2. | Proton accumulation is inside the membrane of thylakoid. |
| 3. | both a and b |
| 4. | Mitochondrial membrane is involved |
Where does the splitting of water take place?
1. Stroma
2. Cytoplasm
3. Thylakoid lumen
4. Plasma membrane
© 2025 GoodEd Technologies Pvt. Ltd.