Refer to the given key and answer the following questions.
(i) Membrane with pores - P
(ii) Inner membrane with stalked particles - Q
(iii) At places, the inner membrane is connected to stacks-like structures -R
(iv) Sac like organelle containing hydrolytic enzymes - S
(v) Membraneless organelle composed of one large and one small subunit - T
Select the option that correctly identifies any of these organelles.

Options

A. P - Nucleus, Q - Mitochondrion, S - Ribosome
B. Q - Chloroplast, R - Mitochondrion, T- Ribosome
C. R - Chloroplast, S - Lysosome, T- Ribosome
D. P - Nucleus, Q - Chloroplast, R - Mitochondrion

Explanation

To solve the question, we will identify each organelle based on the descriptions provided in the key. Here’s a step-by-step breakdown:

### Step 1: Identify the organelle for "Membrane with pores - P"
- The description refers to a membrane that has pores. In cells, the nuclear membrane (or nuclear envelope) is known for having pores that allow substances to enter and exit the nucleus.
- **Answer:** Nuclear membrane (P)

### Step 2: Identify the organelle for "Inner membrane with stalked particles - Q"
- The inner membrane with stalked particles is characteristic of mitochondria. The stalked particles are known as ATP synthase complexes, which are involved in energy production.
- **Answer:** Mitochondria (Q)

### Step 3: Identify the organelle for "At places, the inner membrane is connected to stacks-like structures - R"
- This description fits chloroplasts, which have thylakoids arranged in stacks called grana. The inner membrane of chloroplasts is associated with these structures.
- **Answer:** Chloroplast (R)

### Step 4: Identify the organelle for "Sac like organelle containing hydrolytic enzymes - S"
- The sac-like organelle that contains hydrolytic enzymes is known as lysosomes. They are involved in breaking down waste materials and cellular debris.
- **Answer:** Lysosomes (S)

### Step 5: Identify the organelle for "Membraneless organelle composed of one large and one small subunit - T"
- This description refers to ribosomes, which are not membrane-bound and consist of a large and a small subunit. They are essential for protein synthesis.
- **Answer:** Ribosomes (T)

### Step 6: Match the organelles with their respective letters
- Based on the answers derived:
- P: Nuclear membrane
- Q: Mitochondria
- R: Chloroplast
- S: Lysosomes
- T: Ribosomes

### Conclusion
After matching the organelles with the letters, we find that the correct option is **C**, which corresponds to:
- R: Chloroplast
- S: Lysosomes
- T: Ribosomes

### Final Answer
The correct option that identifies the organelles is **C**.

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