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

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

Match List-I with List-II. Choose the correct answer from the options given below :

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

Match List I with List II Choose the correct answer from the options given below:

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

The DNA present in chloroplast is:

1. Linear, double stranded
2. Circular, double stranded
3. Linear, single stranded
4. Circular, single stranded

Match List I with List II : Choose the correct answer from the options given below :

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

Given below are two statements: In the light of the above statements, choose the most appropriate answer from the options given below:

1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.

Match List I with List II : Choose the correct answer from the options given below:

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

Mesosome in a cell is a :

1. Membrane bound vesicular structure
2. Chain of many ribosomes attached to a single mRNA
3. Special structure formed by extension of plasma membrane
4. Medium sized chromosome

Match List-I with List-II :

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

Match List-I with List-II. Choose the correct answer from the options given below:

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

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below.

1. Statement I is true but Statement II is false.
2. Statement I is false but Statement II is true.
3. Both Statement I and Statement II are true
4. Both Statement I and Statement II are false

Which of the following are NOT considered as the part of endomembrane system? Choose the most appropriate answer from the options given below:

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

Which of the following functions is carried out by cytoskeleton in a cell?

1. Protein synthesis
2. Motility
3. Transportation
4. Nuclear division

Match List I with List II. Choose the correct answer from the options given below:

1. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
2. (a)-(i), (b)-(iii), (c)-(ii), (d)-(iv)
3. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
4. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)

Which of the following statements with respect to Endoplasmic Reticulum is incorrect?

1. RER has ribosomes attached to ER
2. SER is devoid of ribosomes
3. Only RER are present in prokaryotes
4. SER are the sites for lipid synthesis

Which type of substance would face difficulty to pass through the cell membrane?

1. Substance soluble in lipids
2. Substance with hydrophobic moiety
3. Substance with hydrophilic moiety
4. All substances irrespective of hydrophobic and hydrophilic moiety

If the pH in lysosomes is increased to alkaline, what will be the outcome?

1. Lysosomal enzymes will be more active
2. Hydrolytic enzymes will function more efficiently
3. Hydrolytic enzymes will become inactive
4. Lysosomal enzymes will be released into the cytoplasm