Study the pathway given below:
In which of the following options, correct words for all the three blanks A, B and C are indicated?
A | B | C | |
1. | Fixation | Transamination | Regeneration |
2. | Fixation | Decarboxylation | Regeneration |
3. | Carboxylation | Decarboxylation | Reduction |
4. | Decarboxylation | Reduction | Regeneration |
Read the following four statements A, B, C and D and select the right option having both correct statements:
STATEMENTS:
(A) | Z-scheme of light reaction takes place in the presence of PSI only |
(B) | Only PSI functional in cyclic photophosphorylation |
(C) | Cyclic photophosphorylation results in a synthesis of ATP and NADPH2 |
(D) | Stroma lamellae lack PSII as well as NADP |
Options:
1. A and B
2. B and C
3. C and D
4. B and D
In Kranz anatomy, the bundle sheath cells have:
1. | thick walls, many intercellular spaces and few chloroplasts |
2. | thin walls, many intercellular spaces and no chloroplasts |
3. | thick walls, no intercellular spaces and a large number of chloroplasts |
4. | thin walls, no intercellular spaces and several chloroplasts |
Kranz anatomy is one of the characteristics of the leaves of:
1. Wheat
2. Sugarcane
3. Mustard
4. Potato
During photorespiration, the oxygen consuming reaction(s) occur in:
1. stroma of chloroplasts and mitochondria
2. stroma of chloroplasts and peroxisomes
3. grana of chloroplasts and peroxisomes
4. stroma of chloroplasts
In photosystem-I, the first electron acceptor is:
1. ferredoxin
2. cytochrome
3. plastocyanin
4. an iron-sulphur protein
1. | high energy bonds are formed in mitochondrial proteins |
2. | ADP is pumped out of the matrix into the inter-membrane space |
3. | a proton gradient forms across the inner membrane |
4. | there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP) |
The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:
1. | cytochrome | 2. | iron-sulphur protein |
3. | ferredoxin | 4. | quinone |
In the leaves of C4 plants, malic acid formation during CO2 fixation occurs in the cells of:
1. mesophyll
2. bundle sheath
3. phloem
4. epidermis