Water soluble pigments found in plant cell vacuoles are

(1) chlorophylls

(2) carotenoids

(3) anthocyanins

(4) xanthophylls

Subtopic:  Plastids |
Please attempt this question first.

Difficulty Level:


Balbiani rings are sites of

1. lipid synthesis

2. nucleotide synthesis

3. polysaccharide synthesis

4. RNA and protein synthesis

Subtopic:  Nucleus: Chromosomes |
Please attempt this question first.

Difficulty Level:


Which of the following are not membrane-bound?

1. Vacuoles

2. Ribosomes

3. Lysosomes

4. Mesosomes

Subtopic:  Ribosome and Inclusion Bodies |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


A protoplast is a cell

a.  without plasma membrane

b.  without nucleus

c.  undergoing division

d.  without cell wall

 

Subtopic:  Cell Wall |
Please attempt this question first.

Difficulty Level:


Cellular organelles with membranes are 

1. nuclei, ribosomes and mitochondria

2. chromosomes, ribosomes and endoplasmic reticulum

3. endoplasmic reticulum, ribosomes and nuclie

4. lysosomes, Golgi apparatus and mitochondria.

Subtopic:  Mitochondria | Golgi Apparatus | Endomembrane System (Lysosomes) |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are 

1. cristae

2. grana

3. stroma lamellae

4. stroma

Subtopic:  Plastids |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


The chromosomes in which centromere is situated close to one end are

1. metacentric               

2. acrocentric

3. telocentric                 

4. sub-metacentric

Subtopic:  Nucleus: Chromosomes |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


Select the correct matching in the following pairs.

(1) Smooth ER—Oxidation of phospholipids

(2) Smooth ER—Synthesis of lipids

(3) Rough ER—Synthesis of glycogen

(4) Rough ER—Oxidation of fatty acids

 

Subtopic:  Endomembrane System (Endopasmic Reticulum) |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


Which one of the following is not an inclusion body found in prokaryotes?

1. Phosphate granule

2. Cyanophycean granule

3. Glycogen granule

4. Polysome

Subtopic:  Ribosome and Inclusion Bodies |
Please attempt this question first.
Please attempt this question first.

Difficulty Level:


Nuclear envelope is derivative of 

1. smooth endoplasmic reticulum

2. memebrane of Golgi complex

3. microtubles

4. rough endoplasmic reticulum

Subtopic:  Nucleus |
Please attempt this question first.

Difficulty Level: