Cell: The Unit of Life

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

Endomembrane system includes .

1. Golgi complex, chloroplast, peroxisomes and vacuole
2. endoplasmic reticulum, Golgi complex, lysosomes and vacuole
3. endoplasmic reticulum, chloroplast, peroxisomes and vacuole
4. mitochondria, chloroplast, peroxisomes and vacuole

Given below are two statements : one is labelled as Assertion (A), and the other is labelled as Reason (R). In the light of the above statements, choose the correct answer from the options given below :

1. A is true but R is false
2. A is false but R is true
3. Both A and R are true and R is the correct explanation of A
4. Both A and R are true but R is not the correct explanation of A

From the statements given below choose the correct option :

1. A, B, E are true
2. B, D, E are true
3. A, B, C are true
4. A, B, D are true

A specialised membranous structure in a prokaryotic cell which helps in cell wall formation, DNA replication and respiration is

1. Cristae
2. Endoplasmic Reticulum
3. Mesosome
4. Chromatophores