Centrioles have
1. 9 + 2 arrangement of microtubules
2. 9 peripheral doublet microtubules
3. 2 centrally located microtubules
4. An organisation like the cartwheel
Subtopic: Â Centrosomes |
 64%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In flagella and cilia, the number of doublets present in the peripheral region of axoneme are
1. 18
2. 20
3. 9
4. 2
1. 18
2. 20
3. 9
4. 2
Subtopic: Â Cytoskeleton |
 76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Match the column I with column II
1. a(ii), b(i), c(iv), d(iii)
2. a(ii), b(i), c(iii), d(iv)
3. a(iii), b(i), c(iv), d(ii)
4. a(i), b(ii), c(iv), d(iii)
| Column I | Column II | ||
| a | Fat storage | (i) | Tubulin |
| b | Cilia | (ii) | Elaioplast |
| c | Mitochondria | (iii) | Contractile |
| d | Microfilaments | (iv) | Oxysomes |
2. a(ii), b(i), c(iii), d(iv)
3. a(iii), b(i), c(iv), d(ii)
4. a(i), b(ii), c(iv), d(iii)
Subtopic: Â Plastids |Â Mitochondria |
 78%
Please attempt this question first.
Hints
Please attempt this question first.
Karyotheca or nuclear membrane is absent in
1. Nostoc
2. Rhizobium
3. Drosophila
4. Both (1) & (2)
1. Nostoc
2. Rhizobium
3. Drosophila
4. Both (1) & (2)
Subtopic: Â Prokaryotic Cell Organisation |Â Details of Prokaryotic Cell Structure |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Choose odd one out w.r.t. nuclear membrane.
1. Inner membrane is smooth
2. Cytoplasmic surface of nuclear envelope may bear ribosomes
3. Outer membrane bears 70S ribosomes
4. Perinuclear space is 10 to 50 nm
1. Inner membrane is smooth
2. Cytoplasmic surface of nuclear envelope may bear ribosomes
3. Outer membrane bears 70S ribosomes
4. Perinuclear space is 10 to 50 nm
Subtopic: Â Nucleus |
 60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Kinetochore is associated with
1. Primary constriction
2. Secondary constriction
3. Satellite
4. More than one option is correct
1. Primary constriction
2. Secondary constriction
3. Satellite
4. More than one option is correct
Subtopic: Â Nucleus: Chromosomes |
 66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Â Nucleus: Chromosomes |
 53%
Please attempt this question first.
Hints
In 'fluid mosaic model', the term fluid and mosaic signify, respectively:
1. Proteins and lipids
2. Lipids and carbohydrates
3. Lipids and proteins
4. Proteins and carbohydrates
1. Proteins and lipids
2. Lipids and carbohydrates
3. Lipids and proteins
4. Proteins and carbohydrates
Subtopic: Â Cell Membrane |
 67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
"Palade particles" can be found in/on how many of the following structures?
1. 7
2. 5
3. 4
4. 6
|
Mitochondria, chloroplast, cytoplasm, plasma membrane, vacuole, lysosomes, ER, outer nuclear membrane, Golgi bodies |
2. 5
3. 4
4. 6
Subtopic: Â Ribosome and Inclusion Bodies |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following features/structures given below are exhibited by prokaryotic (P) and eukaryotic (E) cells?
(i) Absence of nucleolus
(ii )Presence of centrioles
(iii) Single envelope system
(iv) Mesosomes
(v) 80 S ribosomes
(i) Absence of nucleolus
(ii )Presence of centrioles
(iii) Single envelope system
(iv) Mesosomes
(v) 80 S ribosomes
| (P) | (E) | |
| 1. | (i), (iii), (v) | (ii), (iv) |
| 2. | (i), (iii), (iv) | (ii), (v) |
| 3. | (ii), (v) | (i), (iii), (iv) |
| 4 | (ii), (iii) | (i), (iv), (v) |
Subtopic: Â Prokaryotic Cell Organisation |Â Nucleus |Â Ribosome and Inclusion Bodies |
 87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
© 2024 GoodEd Technologies Pvt. Ltd.