During Grams' staining which is incorrect?

(1) All bacteria take crystal violet stain

(2) Gram +ve bacteria take crystal violet stain

(3) Only Gram –ve bacteria take crystal violet stain

(4) Gram –ve bacteria lose this stain after alcohol

Hammerling's experiments on Acetabularia involved exchanging
1. Cytoplasm
2. Nucleus
3. Rhizoid and stalk
4. Gametes

A non-membrane bound organelle found exclusively in animal cells is:

1. Sphaerosome

2. Glyoxisome

3. Peroxisome

4. Centriole

Which of the following is the largest constituent of the membrane of the erythrocyte in human beings and is also responsible for performing most of the functions of the membrane?

1. Protein

2. Lipid

3. Glycolipid

4. Glycoprotein

Cell is the fundamental structural and functional unit of all living organisms because:

Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells ?

Prokaryotic mesosomes do not help in:

1. Cell wall formation

2. DNA replication

3. Respiration

4. Photosynthesis

The endomembrane system of a eukaryotic cell does not include:

1. Endoplasmic reticulum

2. Lysosome

3. Vacuole

4. Peroxisome

The cis and trans faces of the Golgi Apparatus are:

1. Similar but not interconnected

2. Similar and interconnected

3. Entirely different but interconnected

4. Entirely different and not interconnected

Plastids used in storing proteins are called as:

1. Amyloplasts

2. Aleuroplasts

3. Elaioplasts

4. Chromoplasts