Cell Structure in Eukaryotic Cells

Q. What is the need for a system of control and coordination in an organism?

Q.

Centrosomes is present in plant cell.

1. True
2. False

Q.

Why are mitochondria not part of the endomembrane system?

Q. Draw a neat labelled diagram of chloroplast.

Q.

In mammals, ____ contain the respiratory pigment called haemoglobin.

1. All of these

2. RBCs

3. WBCs

4. Plasma

Q.

Where is the centrosome of the animals cell is located?

Q.

Plant cells lack centrosomes and centrioles.

1. True
2. False

Q.

What cells have lots of Golgi bodies?

Q.

The endomembrane system does not include:

1. Lysosomes

2. Golgi complex

3. Vacuoles

4. Mitochondria

Q.

What is the use of pseudopodia in WBCs?

1. To move through capillaries

2. To maintain the energy

3. To store food

4. To facilitate phagocytosis

Q. Name the respiratory pigment in human beings.Where is pigment found?

Q.

Which of the following are properties for human RBC?

1. Biconcave

2. Oxygen-carrying

3. Cuboidal

4. Lacks a nucleus

Q. The retina of nocturnal birds contain:

1. Only cones
2. Only rods
3. Both (a) and (b)
4. None of the above

Q.

Which of the following does not have a nucleus?

1. Amoeba

2. Skin cell

3. Human RBC

4. Plant cell

Q.

Which organelle(s) help Amoeba to capture food?

1. Cell membrane

2. Pseudopodia

3. Flagella

4. Cilia

Q.

Are centrioles part of the endomembrane system?

Q.

Prokaryotic cells do not have a __.

Q.

Give scientific reasons for the following statements.

Mature erythrocytes within human lack nucleus and mitochondria.

Q. The eukaryotic cell division is assisted by centrosome.

1. True
2. False

Q. Match the following terms to the correct scientist associated with it.

1. Schleiden & Schwann
2. Robert Hooke
3. Leeuwenhoek
4. Robert Brown

Q. DNA was first discovered by

1. Beadle and Tatum
2. Friedrich Miescher
3. Watson and Crick
4. Kornberg

Q. What happens in cancer?

1. The cells multiply uncontrollably
2. Cells secrete pain-causing chemicals
3. The functionality of cells is lost
4. Both A and C

Q.

The nucleus was discovered by _____________.

Q.

Which of the following does not have a nucleus?

1. Amoeba

2. Plant cell

3. Human RBC

4. Skin cell