The organelles that are included in the endomembrane system are:

(1) Golgi complex, Mitochondria, Ribosomes and Lysosomes

(2) Golgi complex, Endoplasmic reticulus, Mitochondria and Lysosomes

(3) Endoplasmic reticulum, Mitochondria, Ribosomes and Lysosomes

(4) Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles

Subtopic:  Endomembrane System |
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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 |
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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 |
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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 |
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Match the following columns and select the correct option :

                Column - I                                          Column - II

(a) Smooth endoplasmic reticulum              (i) Protein synthesis

(b) Rough endoplasmic reticulum                (ii) Lipid synthesis

(c) Golgi complex                                         (iii) Glycosylation

(d) Centriole                                                  (iv) Spindle formation

1. (a)-(ii), (b)-(i), (c)-(iii). (d)-(iv)

2. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)

3. (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)

4. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

Subtopic:  Golgi Apparatus | Centrosomes | Endomembrane System (Endoplasmic Reticulum) |
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The size of Pleuropneumonia - like Organism (PPLO) is :

1. 0.02 μm

2. 1-2 μm

3. 10-20 μm

4. 0.1 μm

Subtopic:  Prokaryotic Cell Organisation |
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The biosynthesis of ribosomal RNA occurs in :

1. Ribosomes

2. Golgi apparatus

3. Microbodies

4. Nucleolus

Subtopic:  Nucleus |
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Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are :

1. Contractile vacuoles

2. Gas vacuoles

3. Centrioles

4. Microtubules

Subtopic:  Ribosome and Inclusion Bodies |
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Match List- I with List - II.

List-I List- II
(a) Metacentric chromosome (i) Centromere situated close to the end forming one extremely short and one very long arms
(b) Acrocentric chromosome (ii) Centromere at the terminal end
(c) Sub-metacentric (ii) Centromere in the middle forming two equal arms of chromosomes
(d) Telocentric chromosome  (iv) Centromere slightly away from the middle forming  one shorter arm and one longer arm

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (iii) (i) (iv) (ii)
3. (i) (iii) (ii) (iv)
4. (ii) (iii) (iv) (i)
Subtopic:  Nucleus: Chromosomes |
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Given below are two statements:
Statement I:
Mycoplasma can pass through less than 1 micron filter size

Statement II: Mycoplasma are bacteria with cell wall

In the light of the above statements, choose the most appropriate answer from the options given below:

1. Statement I is incorrect but statement II is correct
2. Both statement I and statement II are correct
3. Both statement I and statement II are incorrect 
4. Statement I is correct but statement II is incorrect
Subtopic:  Prokaryotic Cell Organisation |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology