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1. How many of the given statements are correct?

I:	The major lipids in cell membrane are phospholipids that are arranged in a bilayer.
II:	The ability of lipids and carbohydrates to move laterally within the membrane is measured by its fluidity.
III:	In addition to phospholipids, the animal cell membrane also contains cholesterol.
IV:	Algae have a cell wall, made of cellulose, galactans, mannans, and minerals like calcium carbonate.
V:	In plants other than algae, cell membrane consists of cellulose, hemicellulose, pectins and proteins

1. 2
2. 3
3. 4
4. 5

2.

Which of the following statement is correct for the given diagram?

1.	'C' possesses DNA molecule, RNA molecule and 80 S ribosomes
2.	'A' and 'B' have their own specific enzymes
3.	'E' made by inner membrane towards the intermembrane space
4.	'B' forms the continuous limiting boundary of the organelle

3.

Non-membranous nucleoplasmic structures in the nucleus, are the sites for active synthesis of:

1.	protein	2.	mRNA
3.	rRNA	4.	tRNA

4. Which of the following movement across a cell membrane will require the utilisation of ATP energy?

1.	Movement of neutral solutes along the concentration gradient.
2.	Osmosis of water from higher to lower concentration.
3.	Movement of polar molecules along the concentration gradient facilitated by a carrier protein.
4.	Transport of ions against their concentration gradient.

5. Which of the following statements are correct in the context of Golgi apparatus?

A:	It is the important site for the formation of glycoprotein and glycolipids
B:	It produces cellular energy in the form of ATP
C:	It modifies the protein synthesized by ribosomes on ER
D:	It facilitates the transport of ions
E:	It provides mechanical support

Choose the most appropriate answer from the options given below:

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

6. A Prokaryotic cell lacks:
I: a membrane bound nucleus
II: membrane bound organelles
III: ribosomes

1.	Only I and II	2.	Only I
3.	Only II and III	4.	Only III

7.

Specialized plastids like amyloplasts are differentiated forms of:
1. Chloroplasts
2. Chromoplasts
3. Leucoplasts
4. Gerontoplasts

8.

A major site for synthesis of lipids is:
1. SER
2. Symplast
3. Nucleoplasm
4. RER

9. Which of the following organelles in a eukaryotic cell have circular DNA, 70 S ribosomes and make some of their own proteins?
1. Golgi apparatus and Vacuole
2. Endoplasmic reticulum and Golgi apparatus
3. Plastids and mitochondria
4. Nucleolus and ribosomes

10.

Like mitochondria, the chloroplasts:

I:	have their own DNA
II:	have an analogous inner membrane

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

11. Identify the incorrectly matched pair:

1.	Linus Pauling	Discovered the triple helix structure of collagen
2.	Rudolf Virchow	Omnis cellula-e-cellula
3.	Singer and Nicholson	Fluid mosaic model
4.	Georges Palade	First observed ribosome

12. Consider the two statements:

Assertion (A):	In a plant cell, the concentration of a number of ions is significantly higher in the vacuole than in the cytoplasm.
Reason (R):	The tonoplast facilitates the transport of a number of ions and other materials against concentration gradients into the vacuole.

   

1.	Both (A) and (R) are True and (R) is the correct explanation of (A).
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A)  is True but (R) is False.
4.	Both (A) and (R) are False.

13.

Identify the correctly matched pairs:

I:	Anton Von Leeuwenhoek	first saw and described a live cell
II:	Robert Brown	discovered the nucleus
III:	Matthias Schleiden	was a German zoologist
IV:	Theodor Schwann	was a British botanist

1. Only I and II
2. Only I and III
3. I, II, III and IV
4. Only III and IV

14. Oxidative phosphorylation in eukaryotic cells takes place in:
1. Chloroplasts
2. Mitochondria
3. Peroxisomes
4. ER

15.

Match the following and select the correct answer: 

	Column I		Column II
(a)	Centriole	(i)	Infoldings in mitochondria
(b)	Chlorophyll	(ii)	Thylakoids
(c)	Cristae	(iii)	Nucleic acids
(d)	Ribozymes	(iv)	Basal body of cilia or flagella

1. A-iv, B-ii, C-i, D-iii
2. A-i, B-ii, C-iv, D-iii
3. A-i, B-iii, C-ii, D-iv
4. A-iv, B-iii, C-i, D-ii

16. Lysosomes:

Statement I:	are membrane bound vesicular structures formed in the rough endoplasmic reticulum.
Statement II:	are very rich in almost all types of hydrolytic enzymes optimally active at the basic pH.

 

1.	Statement I is incorrect; Statement II is incorrect
2.	Statement I is incorrect; Statement II is correct
3.	Statement I is correct; Statement II is incorrect
4.	Statement I is correct; Statement II is correct

17.

The component molecules of the cell membrane have two main parts, the head and the tail. These parts are either hydrophobic (repelled by water) or hydrophilic (attracted to water). Which is which?

1.	Hydrophilic Head and Hydrophobic Tail
2.	Both Hydrophobic
3.	Hydrophilic Tail and Hydrophobic Head
4.	Both Hydrophilic

18.

Select the mismatch:

Column I		Column II
1.	Gas vacuoles	Green bacteria Cells
2.	Large central vacuoles	Animal cells
3.	Protists	Eukaryotes
4.	Methanogens	Prokaryotes

19. Kinetochore:

1.	is not visible in dividing cells.
2.	is also called the primary constriction
3.	is a proteinaceous disc shaped structure on the sides of the centromeres.
4.	holds two chromatids of a chromosome.

20. Consider the given two statements:
I: No animal cell has cell wall.
II: No animal cell has centrosome.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

21.

The structures that help some bacteria to attach to rocks and/or host tissues are?
1. Rhizoids
2. Fimbriae
3. Mesosomes
4. Holdfast

22. In prokaryotes, ribosomes:
1. are associated with the plasma membrane of the cell.
2. are 80 S in configuration.
3. are about 1500 nm by 2000 nm in size.
4. do not form polysomes.

23. Which of the following is unlikely to be present in a plant cell?
1. A cell wall
2. Plastid
3. A large central vacuole
4. Centriole

24. All the following will be correct regarding mesosome in a bacterial cell except:
1. They are differentiated form of cell membrane
2. They are essentially infoldings of cell membrane
3. They can be in the form of vesicles, tubules and lamellae
4. They contain photosynthetic pigments

25. Which of the following observations cannot be credited to Schleiden and Schwann?

1.	All plants are composed of different kinds of cells which form the tissues of the plant.
2.	Animal cells have a thin outer layer which is today known as ‘plasma membrane’.
3.	Cells divide and new cells are formed from pre-existing cells.
4.	The presence of cell wall is a unique character of the plant cells.

26. Match each item in Column I with one in Column II and select the correct match from the codes given:

	Column I		Column II
A	Mitochondria	P	Photophosphorylation
B	Chloroplast	Q	Oxidative phosphorylation
C	Tonoplast	R	Vacuole
D	Elaioplast	S	Stores lipids

Codes:

	A	B	C	D
1.	P	Q	R	S
2.	P	Q	S	R
3.	Q	P	S	R
4.	Q	P	R	S

27.

Which of the following organelles in a eukaryotic cell can only be seen after staining with vital dye?

1.	Mitochondria	2.	Chloroplasts
3.	Nucleus	4.	Endoplasmic reticulum

28. Mesosomes, extensions of plasma membrane into the cell, help bacterium in all the following processes except:
1. Photosynthesis in cyanobacteria
2. Respiration
3. DNA replication
4. Cell wall formation

29. Match each item in Column I with one in Column II and select the correct match from the codes given:

	Column I		Column II
A	Ribosome	P	Acid hydrolases
B	Lysosome	Q	Protein synthesis
C	Centrosome	R	Chromatin subunit
D	Nucleosome	S	Cell division

Codes:

	A	B	C	D
1.	Q	P	S	R
2.	P	Q	R	S
3.	P	Q	S	R
4.	Q	P	R	S

30. What are A and B in the given figure?

	A	B
1.	SER	RER
2.	RER	SER
3.	RER	Golgi apparatus
4.	SER	Golgi apparatus

31.

Which of the following is correct?

1.	Cells of all living organisms have a nucleus.
2.	Both animal and plant cells have a well defined cell wall.
3.	In prokaryotes, there are no membrane bound organelles.
4.	Cells are formed, de novo, from abiotic materials.

32. Mesosomes in a bacterial cell:

I:	are formed by the extensions of plasma membrane into the cell.
II:	help in cell wall formation, DNA replication and distribution to daughter cells.
III:	contain pigments in cyanobacteria.

1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct

33. Mesosome in bacterial cells is not involved in:
1. cell wall formation
2. DNA replication and distribution to daughter cell
3. respiration
4. photosynthesis

34. Which of the following are not considered as part of endomembrane system?
A. Mitochondria
B. Endoplasmic Reticulum
C. Chloroplasts
D. Golgi complex
E. Peroxisomes
Choose the most appropriate answer from the options given below:

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

35. All bacterial cells are:

1.	motile.
2.	enclosed by peptidoglycan cell wall.
3.	prokaryotic.
4.	capable of fixing atmospheric nitrogen.

36.

The karyotype of a healthy human being will not show:
1. Metacentric chromosomes
2. Submetacentric chromosomes
3. Acrocentric chromosomes
4. Telocentric chromosomes

37.

The endomembrane system is composed of the different membranes that are suspended in the cytoplasm within a eukaryotic cell. These membranes divide the cell into functional and structural compartments, or organelles. The system includes all the following except:

1.	ER	2.	Golgi apparatus
3.	Chloroplasts	4.	Vacuoles

38. Nuclear pores:

I:	are formed by the fusion of the two nuclear membranes at some places.
II:	are the passages through which movement of RNA and protein molecules takes place in both directions between the nucleus and the cytoplasm.

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

39.

Consider the following statements:

I:	In animal cells, lipid like steroidal hormones are synthesized in SER.
II:	Golgi apparatus is the important site for formation of glycoproteins & glycolipids.
III:	Lysosomes carry alkaline hydrolases.

Which of the above statements are true?
1. I and II only
2. I and III only
3. II and III only
4. I, II and III

40. Consider the two statements:

Assertion (A):	The Golgi apparatus, also known as the Golgi body, is like a post office.
Reason (R):	The Golgi apparatus is an important site for the formation of glycoproteins and glycolipids.

 

1.	Both (A) and (R) are True and (R) is the correct explanation of (A)
2.	Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.	(A) is True but (R) is False.
4.	Both (A) and (R) are False.

41. The chromosome, where the centromere is located in the centre and hence has two equal arms, is called as :
1. Metacentric
2. Sub-metacentric
3. Acrocentric
4. Telocentric

42. Plant and animal cells are different. Identify the correct difference:

I:	Plant cells possess cell walls, plastids and a large central vacuole which are absent in animal cells.
II:	Animal cells have centrioles which are absent in almost all plant cells.

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

43. Consider the two statements:

Statement I:	Besides flagella, Pili and Fimbriae are also surface structures of the bacteria but do not play a role in motility.
Statement II:	Pili and fimbriae help attach the bacteria to rocks in streams and also to the host tissues.

 

1.	Statement I is correct; Statement II is correct
2.	Statement I is correct; Statement II is incorrect
3.	Statement I is incorrect; Statement II is correct
4.	Statement I is incorrect; Statement II is incorrect

44. Like mitochondria, the chloroplasts:
1. are found only in plant cells
2. do not have 70 S ribosomes
3. are also double membrane bound
4. are unable to carry out phosphorylation of ADP

45. Regarding the genetic material in prokaryotes:

I:	The main chromosomal DNA is linear
II:	Plasmid DNA is circular

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

46. Regarding prokaryotes:

I:	All prokaryotes have a cell wall surrounding the cell membrane except in mycoplasma.
II:	All prokaryotes have a cell membrane except in mycoplasma.

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

47. Which organelle in a eukaryotic cell contains acid hydrolases?
1. Golgi apparatus
2. Smooth Endoplasmic Reticulum
3. Lysosomes
4. Peroxisomes

48.

The famous aphorism ‘omnis cellula-e-cellula’ was added to the cell theory by:
1. Theodor Schwann
2. Matthias Schleiden
3. Robert Hooke
4. Rudolf Virchow

49. Consider the given two statements:
Assertion: In eukaryotic cells, there is an extensive compartmentalisation of cytoplasm.
Reason: Eukaryotic cells are characterised by the presence of membrane bound organelles.
1. Both Assertion and Reason are true but the Reason does not explain the Assertion.
2. Assertion is true but Reason is False.
3. Both Assertion and Reason are true and Reason correctly explains the Assertion.
4. Assertion is false but Reason is true.

50. Consider the two statements:

Statement I:	Ribosomes are non-membrane bound organelles found in all cells.
Statement II:	Animal cells contain a non-membrane bound organelle called centrosome which helps in cell division.

 

1.	Statement I is correct; Statement II is correct
2.	Statement I is correct; Statement II is incorrect
3.	Statement I is incorrect; Statement II is correct
4.	Statement I is incorrect; Statement II is incorrect