Q. No.The biosynthesis of ribosomal RNA occurs in:
1. Ribosomes
2. Golgi apparatus
3. Microbodies
4. Nucleolus
Match the following columns and select the correct option:
| Column I | Column II | ||
| (a) | Smooth endoplasmic reticulum | (i) | Smooth endoplasmic reticulum |
| (b) | Rough endoplasmic reticulum | (ii) | Lipid synthesis |
| (c) | Golgi complex | (iii) | Glycosylation |
| (d) | Centriole | (iv) | Spindle formation |
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (i) | (iii) | (iv) |
| 2. | (iii) | (i) | (ii) | (iv) |
| 3. | (iv) | (ii) | (i) | (iii) |
| 4. | (i) | (ii) | (iii) | (iv) |
Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are:
1. Contractile vacuoles
2. Gas vacuoles
3. Centrioles
4. Microtubules
When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :
1. Sub-metacentric
2. Acrocentric
3. Metacentric
4. Telocentric
Match List - I with List - II
| List -I | List - II | ||
| a. | Cristae | i. | Primary constriction in chromosome |
| b. | Thylakoids | ii. | Disc-shaped sacs in Golgi apparatus |
| c. | Centromere | iii. | Infoldings in mitochondria |
| d. | Cisternae | iv. | Flattened membranous sacs in stroma of plastids |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (i) | (ii) |
| 2. | (ii) | (iii) | (iv) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (i) | (iv) | (iii) | (ii) |
Which of the following is an incorrect statement?
| 1. | The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm. |
| 2. | Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm. |
| 3. | Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles. |
| 4. | Microbodies are present both in plant and animal cells. |
The organelles that are included in the endomembrane system are:
| 1. | Golgi complex, Mitochondria, Ribosomes, and Lysosomes |
| 2. | Golgi complex, Endoplasmic reticulum, Mitochondria, and Lysosomes |
| 3. | The endoplasmic reticulum, Mitochondria, Ribosomes, and Lysosomes |
| 4. | The endoplasmic reticulum, Golgi complex, Lysosomes, and Vacuoles |
Which of the following statements about inclusion bodies is incorrect?
1. These are involved in the ingestion of food particles.
2. They lie freely in the cytoplasm.
3. These represent reserve material in cytoplasm.
4. They are not bound by any membrane.
Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?
1. Peroxisomes
2. Golgi bodies
3. Polysomes
4. Endoplasmic reticulum
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