Q. No.
| 1. | Blue-green algae |
| 2. | Purple photosynthetic bacteria |
| 3. | Green photosynthetic bacteria |
| 4. | Mycoplasma |
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 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. |
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) |
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
| 1. | Golgi apparatus is absent |
| 2. | Rough Endoplasmic Reticulum (RER) is easily observed in the cell |
| 3. | Only Smooth Endoplasmic Reticulum (SER) is present |
| 4. | Secretory granules are formed in nucleus. |
The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C) and (D). Select the part correctly matched with its function.
| 1. | Part (A) : Matrix – a major site for respiratory chain enzymes |
| 2. | Part (D) : Outer membrane – gives rise to the inner membrane by splitting |
| 3. | Part (B) : Inner membrane – forms infoldings called cristae |
| 4. | Part (C) : Cristae – possess single circular DNA molecule and ribosome |
Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with:
Components :
(i) Cristae of mitochondria
(ii) Inner membrane of mitochondria
(iii) Cytoplasm
(iv) Smooth endoplasmic reticulum
(v) Rough endoplasmic reticulum
(vi) Mitochondrial matrix
(vii) Cell vacuole
(viii) Nucleus
The correct components are:
| A | B | C | D | |
| 1. | (i) | (iv) | (viii) | (vi) |
| 2. | (vi) | (v) | (iv) | (vii) |
| 3. | (v) | (i) | (iii) | (ii) |
| 4. | (v) | (iv) | (viii) | (iii) |
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