Target DPP Test

1.

A non-membrane bound organelle found exclusively in animal cells is:
1. Sphaerosome
2. Glyoxisome
3. Peroxisome
4. Centriole

2.

What is true about ribosomes?

1.	The prokaryotic ribosomes are 80 S, where S stands for sedimentation coefficient.
2.	These are composed of ribonucleic acid and proteins.
3.	These are found only in eukaryotic cells.
4.	These are self-splicing introns of some RNAs.

3.

The organelle common among prokaryotic and eukaryotic cell is
1. centrosome
2. ribosome
3. peroxisome
4. glyoxysome

4.

Select the odd one out with respect to ribosomes :

1.	Synthesised inside the nucleus in eukaryotes
2.	Composed of DNA and proteins
3.	Not surrounded by any membrane
4.	Prokaryotic ribosomes are 70 S

5.

Which of the following walls is capable of growth in a plant cell?

1.	Primary wall	2.	Secondary wall
3.	Both (1) & (2)	4.	Middle lamella

6.

Perinuclear space is about
1. 1-5 nm
2. 5-10 nm
3. 10-50 nm
4. > 100 nm

7.

Which of the following is true for lysosomes
1. membrane bound vesicles
2. formed by golgibody
3. rich in hydrolytic enzymes
4. All of the above

8.

____________ ribosomes are present in eukaryotes while ________ribosomes are present in prokaryotes.
(1)70s, 80s
(2)80s, 70s
(3)80s,80s
(4)70s,70s

9.

Which of the following cell organelle is a major site for the synthesis of steroidal hormones?

1. SER
2. Golgi bodies
3. Ribosomes
4. Peroxisome

10.

Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells?

1.	Matthias Shcleiden	2.	Theodor Schwann
3.	J. B. S. Haldane	4.	Rudolph Virchow

11.

The approximate percent composition of proteins and lipids in the cell membrane of an erythrocyte is respectively:

1.	52% and 40%	2.	40% and 52%
3.	60% and 40%	4.	40% and 60%

12.

The structure that helps in cell wall formation, DNA replication and respiration in bacteria is :
1. Mesosome
2. Chromatophores
3. Pilus
4. Nucleoid

13.

An organelle is seen to possess a single circular chromosome DNA molecule, a few RNA molecules, 70s ribosomes and divides by fission. This organelle can be either:

1.	Endoplasmic reticulum or Golgi apparatus
2.	Mitochondria or Chloroplast
3.	Endoplasmic reticulum or Mitochondria
4.	Golgi apparatus or Chloroplast

14.

Which of the following sequence is correct with respect to size?
1. Eukaryotic cell > PPLO > Viruses > Bacteria
2.  Eukaryotic cell > Bacteria > PPLO > Viruses
3.  Eukaryotic cell > PPLO > Bacteria > Viruses
4.  Eukaryotic cell > Viruses > PPLO > Bacteria

15.

Select incorrect statement with respect to plasma membrane

1.	Proteins can move laterally within the overall bilayer
2.	Proteins can be distinguished on the basis of ease of extraction
3.	Cholesterol is present in all living organisms
4.	Protein constitute 52 percent and lipid 40 percent for RBC

16.

The primary cell wall is the part of a eukaryotic cell wall which is

1.	closest to the inside of the cell
2.	in the middle of the cell wall
3.	the farthest outside of the cell
4.	the strongest of the three layers

17.

DNA is not contained in
1. Nucleus
2. Mitochondrion
3. Endoplasmic reticulum
4. Chloroplast

18.

Select the correct statement with respect to cell membrane of eukaryotes.

1.	Na⁺ and K⁺ ions are passively transported across the cell membrane
2.	Cell membrane can not have glycolipids and cholesterol
3.	Lipids are arranged in a bilayer with polar heads towards the inner side
4.	Transmembrane proteins are present in lipid bilayer

19.

Match the following & mark the correct option given below:

	Column I		Column II
1.	Cristae	(i)	Flat membranous sacs in the stroma
2.	Cisternae	(ii)	Infoldings in mitochondria
3.	Thylakoids	(iii)	Disc-shaped sacs in Golgi apparatus

1. 1-ii, 2-iii, 3-i
2. 1-iii, 2-i, 3-ii
3. 1-i, 2-ii, 3-iii
4. 1-ii, 2-i, 3-iii

20.

Which statement concerning living eukaryotic cells is FALSE?

1.	Membranes control which hydrophilic organic molecules pass into or out of the cell.
2.	Lysosomes and centrioles are each bounded by a single membrane.
3.	Membranes are usually fluid at 37/C.
4.	Membranes contain phospholipids and proteins.
5.	Membranes are semipermeable.

21.

Match the columns and select the correct option.

	Column I		Column II
a.	Chloroplast	(i)	Cristae
b.	Plasmodesmata	(ii)	Thylakoid
c.	Mitochondria	(iii)	Calcium pectate
d.	Middle lamella	(iv)	Connects cytoplasm of adjacent cells

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

22.

Which of the following is true about nucleolus?

1.	membrane-less structure
2.	active site for rRNA synthesis
3.	numerous in cells which are involved in protein synthesis
4.	All of the above

23. Regarding cell membrane:

I:	The lipid content mainly is phosphoglycerides
II:	Proteins can move laterally within the overall bilayer
III:	The membrane is selectively permeable

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

24. A bacterial cell has

1.	a single chromosome and circular DNA
2.	multiple chromosomes and circular DNA
3.	a single chromosome and linear DNA
4.	multiple chromosomes and liner DNA

25. The middle lamella of a typical plant cell:

I:	mainly consists of calcium carbonate
II:	holds or glues the different neighbouring cells together
III:	is not traversed by plasmodesmata

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

26. Identify the incorrect statement:

I:	Nuclear envelope consists of two parallel membranes with a perinuclear space between them.
II:	Nuclear pore is formed by the fusion of two nuclear membranes at points where they interrupt the nuclear envelope.
III:	Large and more numerous nucleoli are present in the cells actively carrying out protein synthesis.

1.	Only I	2.	Only II
3.	Only III	4.	None

27. The diagram shows comparison of size of eukaryotic cell with other organisms. What would be the correct size for I, II, III and IV?

I:	10-20 µm
II:	0.2-2.0 µm
III:	About 10 µm
IV:	1-2 µm

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

28.

Assertion (A):	Cells vary in their shape, size and functions based on the presence or absence of a membrane bound nucleus and other organelles.
Reason (R):	A typical eukaryotic cell consists of a cell membrane, nucleus and cytoplasm.

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.	(A) is false but (R) is true.

29. Given below are two statements:

I:	In bacteria, the mesosomes are formed by the extensions of the plasma membrane.
II:	The mesosomes, in bacteria, help in DNA replication and cell wall formation.

In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect

30. Cilia and flagella in eukaryotic cells:

I:	are the outgrowths of the cell membrane.
II:	have a 9 + 0 arrangement of microtubules in their axoneme.

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

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