The tail of the phospholipid molecule:

1. is hydrophilic and composed of phosphate

2. is hydrophilic and composed of saturated hydrocarbons

3. is hydrophobic and composed of saturated hydrocarbons

4. is hydrophobic and composed of unsaturated hydrocarbons

In animal cells, lipid-like steroidal hormones are synthesized in the:

1. Nucleus

2. Rough endoplasmic reticulum

3. Smooth endoplasmic reticulum

4. Golgi apparatus

Unless specifically stained by a vital stain like Janus Green, which of the following will not be visible under a microscope?

1. Rough endoplasmic reticulum

2. Smooth endoplasmic reticulum

3. Golgi apparatus

4. Mitochondria

Fat soluble pigments like xanthophylls are present in:

1. Chromoplasts

2. Aleuroplasts

3. Elaioplasts

4. Amyloplasts

Proteins that are to be used outside the cell are synthesized:

1. in the mitochondria

2. on the rough endoplasmic reticulum

3. on the smooth endoplasmic reticulum

4. on free ribosomes

The two types of cellular organelles that transform energy are:

(1) Chromoplasts and Leucoplasts

(2) Mitochondria and Chloroplasts

(3) Mitochondria and Endoplasmic reticulum

(4) Chloroplasts and Golgi apparatus

The arrangement of outer and central microtubules in a cilium is called the:

1. 9 + 1 pattern

2. 9 + 0 pattern

3. Flagellin pattern

4. 9 + 2 pattern

Identify the correct statement regarding the part of cell, the structure of which is shown in the given diagram:

1. It is not found in the plant cells

2. It serves to provide an attachment with a surface for a bacterial cell

3. The structure is made of a protein called flagellin

4. It can be used for movement by a eukaryotic cell

What is true regarding the chromosome shown in the diagram given below?

1. It is a metacentric chromosome with A called satellite and B called secondary constriction

2. It is a metacentric chromosome with B called satellite and A called secondary constriction

3. It is a submetacentric chromosome with A called satellite and B called secondary constriction

4. It is a submetacentric chromosome with B called satellite and A called secondary constriction

In the given diagram of chloroplast, enzymes required for the synthesis of carbohydrates and proteins are located in:

1. A

2. B

3. C

4. D