Site of photosynthesis - class-X
| Description: site of photosynthesis | |
| Number of Questions: 20 | |
| Created by: Sara Dalvi | |
| Tags: mineral nutrition photosynthesis in higher plants nutrition - food supplying system photosynthesis botany biochemistry biology chemistry |
How many of the given structures are associated with the thylakoid membrane?
PS II, RuBisCO, LHC, PEPcase, $F _0$ of ATP synthase, cytochromes b & f.
Read the following statements.
i) Chloroplasts get aligned with their flat surface parallel to the cell walls to receive optimum light intensity.
ii) Water is the only electron donor in all photosynthetic organisms.
iii) ATP and NADPH are utilised in Carboxylation stage of Calvin cycle.
iv) Bundle sheath cells are characterized by having a large number of chloroplasts and impervious walls.
v) Law of limiting factors was proposed by Blackmann.
Which of the given statements are CORRECT?
Which cellular part is correctly described
The spaces inside the folds of ER membrane are known as
Match the following
| a. | Bacteria | 1. | Synthesis and storage of lipids |
|---|---|---|---|
| b. | Sphaerosomes | 2. | Idiogram |
| c. | Chloroplasts | 3. | Glycocalyx |
| d. | Karyotype | 4. | Thylakoids |
Consider the following processes.
a. $O _2$ evolution
b. $CO _2$ fixation
c. NADPH formation
d. Chlorophyll biosynthesis.
Which of these do not occur in thylakoids?
If $^{14}CO _2$ is added to a suspension of photosynthesizing chloroplasts, which of the following will be the first compound to be radioactive?
Which one of the following options is true in photsynthesis.
With reference to photosynthesis in chloroplasts, consider the following statements.
a. The reactions that break down water and produce oxygen are located on the lumen side of the thylakoid membrane, in granum areas.
b. The molecules of ferredoxin-NADP re-educate that generate NADPH are located on the side of the membrane facing stroma.
Which of the statements given is/are correct?
Which of the following pairs are correctly matched? Principal wavelength Physiological of light event.
a. $700$nm- Photo system I
b. $650$nm- Photo system II
c. $690$nm- Photo system III
d. $620$nm- Phycocyanin
Select the correct answer using the codes given.
When one molecule of $NADP^{+}$ is reduced how many water molecule split in to $H^{+}$ and $[O]$?
When only light of wavelength beyond $680\ mm$ are available then which of the following is not occur?
Match column I with column II and select the correct option from the given codes
| Sr. no | Column I | Sr.no | Column II |
|---|---|---|---|
| A. | $C _4$ plant | i. | Succulents |
| B. | Chlorophyll $b$ | ii. | Accessory photosynthetic pigment |
| C. | PS II | iii. | Photooxodation of $H _2O$ |
| D. | CAM | iv. | Kranz anatomy |
.
Following table summarises the differences between light reaction and dark reaction.
| Light reaction | Dark reaction | |
|---|---|---|
| i | These arealso called as biosynthetic phase | These are also calledas photochemicalphase |
| ii | These reactionoccur over thylakoids. | These reaction occur in stroma of chloroplasts. |
| iii | These produce assimilatory power i.e.$NADPH _{2}$and ATP | These consume $NADPH _{2}$ and ATP. |
| iv | These are directiondependent uponlight. | These depend upon the products synthesisedduring light reaction |
Which of the above pairs of difference is/are incorrect?
Consider following statements A & B
A - The enzyme acts on 'N' terminal of polypeptide chain
B - The enzyme acts on 'C' terminal of a polypeptide chain
Choose the correct option w.r.t the digestive juices which contain these enzymes
Why does the total amount of $CO _2$ in the atmosphere remains constant even though respiration liberates $CO _2$?
Thylakoids are found in
In a plant cell chlorophyll is present in:
Minerals controlling synthesis of chlorophyll molecule ______________.
Ginger-Muller counter is used for ________________.