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Q. No.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
Subtopic: Nucleus: Chromosomes |
90%
From NCERT
NEET - 2021
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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) |
Subtopic: Plastids | Mitochondria | Golgi Apparatus | Nucleus: Chromosomes |
91%
From NCERT
NEET - 2021
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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. |
Subtopic: Nucleus | Microbodies |
74%
From NCERT
NEET - 2021
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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 |
Subtopic: Endomembrane System |
85%
From NCERT
NEET - 2021
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Subtopic: Cilia & Flagella |
81%
From NCERT
AIPMT - 2001
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Subtopic: Cell Wall |
93%
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AIPMT - 2001
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Extranuclear chromosomes occur in:
| 1. | Peroxisome and ribosome | 2. | Chloroplast and mitochondria |
| 3. | Mitochondria and ribosome | 4. | Chloroplast and lysosome |
Subtopic: Plastids | Mitochondria |
87%
From NCERT
AIPMT - 2001
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The difference in gram ⊕ and gram bacteria is due to:
1. Cell wall
2. Cell membrane
3. Ribosome
4. Cytoplasm
Subtopic: Bacterial Staining & Shape |
74%
From NCERT
AIPMT - 2001
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Chromosomes in a bacterial cell can be 1–3 in number and:
| 1. | Are always circular |
| 2. | Are always linear |
| 3. | Can be either circular or linear, but never both within the same cell |
| 4. | Can be circular as well as linear within the same cell |
Subtopic: Details of Prokaryotic Cell Structure |
52%
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AIPMT - 2003
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Lysosome contains:
| 1. | Oxidative enzymes | 2. | Hydrolytic enzymes |
| 3. | Reductive enzymes | 4. | Anabolic enzymes |
Subtopic: Lysosomes |
97%
From NCERT
AIPMT - 2000
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