Cell: The Unit of Life

Which one of the following is the site for active ribosomal RNA synthesis ?

1. Nucleolus
2. Kinetochore
3. Centrosome
4. Chromatin

Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are .

1. Lysosomes
2. Centrosomes
3. Mitochondria
4. Ribosomes

Select the correct statements regarding cell membrane in eukaryotic cell. Choose the correct answer from the options given below:

1. C, D and E only
2. B, C and E only
3. A, B and D only
4. A, C and E only

Choose the correct statements regarding cell organelles and their inclusions. Choose the correct answer from the options given below:

1. A, B and C only
2. C, D and E only
3. A and B only
4. B, C and D only

Mitochondrial inner membrane encloses .

1. aqueous humor
2. matrix
3. cytosol
4. mucus

Cell theory was formulated by .

1. Antonie Von Leeuwenhoek
2. Schleiden and Schwann
3. Robert Brown
4. Singer and Nicolson

The plastid that stores xanthophyll is known as .

1. amyloplast
2. chloroplast
3. chromoplast
4. aleuroplast

Smooth endoplasmic reticulum .

1. is a site for the synthesis of carbohydrates
2. has ribosomes attached to its surface
3. is the major site for the synthesis of lipids
4. is actively involved in protein synthesis

Which of the following are characteristics of prokaryotic cells?

1. (A), (B) and (C) only
2. (B) and (C) only
3. (A) and (C) only
4. (A), (C) and (D) only

Match List-I with List-II.

1. A-IV, B-III, C-I, D-II
2. A-III, B-IV, C-I, D-II
3. A-II, B-IV, C-I, D-III
4. A-II, B-IV, C-III, D-I