Four particles A, B, C, and D with masses mA = m, mB = 2m, mC = 3m and mD = 4m are at the corners of a square. They have accelerations of equal magnitude with directions as shown. The acceleration of the center of mass of the particles is:

\(\frac{a}{5}\left( \hat{i}+\hat{j} \right)\)

\(\text{a}\left( \hat{i}+\hat{j} \right)\)

\(\frac{\text{a}}{5}\left( \hat{i}-\hat{j} \right)\)

In the cube of side 'a' shown in the figure, the vector from the central point of the face ABOD to the central point of the face BEFO will be

\(\frac{1}{2}a\left( {\hat j - \hat k} \right)\)

\(\frac{1}{2}a\left( {\hat i - \hat k} \right)\)

\(\frac{1}{2}a\left( {\hat j - \hat i} \right)\)

\(\frac{1}{2}a\left( {\hat j - \hat k} \right)\)

\(\frac{1}{2}a\left( {\hat k - \hat i} \right)\)

Find the unit vector perpendicular to the surface x2 + y2 – z2 = 11 at the point (4, 2, 3).

\(\frac{{8\widehat i +4\widehat j - 6\widehat k}}{{\sqrt {29} }}\)

\(\frac{{4\widehat i + 2\widehat j - 3\widehat k}}{{\sqrt {29} }}\)

\(\frac{{8\widehat i +4\widehat j - 6\widehat k}}{{\sqrt {29} }}\)

\(\frac{{4\widehat i - 2\widehat j - 3\widehat k-11}}{{\sqrt {116} }}\)

Consider the following physical quantities:Energy, power, pressure, impulse, temperature, gravitational potential. Which of the above is/are the vector quantity/quantities?

Impulse, temperature and pressure

Cos site of the cosmids

helps whole genome in circularization and ligation

Which of the following is not true about phagemid?

Contain functional origin of replication of the plasmid and λ phage

May be propagated as a plasmid or as phage in appropriate strain

Can only be propagated as phage

the right arm of the vector DNA

central fragment of the vector DNA

Difference between λ gt 10 and λ gt 11 vectors is that

λ gt 10 is an expression vector

λ gt 11 is an expression vector

λ gt 10 is an expression vector

λ gt 10 is a replacement vector

λ gt 11 is a replacement vector

plasmid vector carrying origin of replication of λ phage only

plasmid vector carrying λ phage's cos site

plasmid vector carrying λ attachment (λ att) site

plasmid vector carrying origin of replication of λ phage only

plasmid vector carrying origin of replication of plasmid only

do not exhibit antibiotic resistance

carry transfer genes called the tra genes

plasmids that contain fragment of λ DNA including the cos site

plasmids that have no selection marker

do not exhibit any phenotypic trait

Single stranded vectors are useful

for oligonucleotide directed mutagenesis

Inserted DNA in λ gt 11 can be expressed as

free protein that is secreted out

combination of phages and cosmid

combination of plasmid and phage λ

combination of phages and cosmid

phages carrying properties of plasmids

A plasmid can be considered as a suitable cloning vector if

it can be readily isolated from the cells

it possesses a single restriction site for one or more restriction enzymes

insertion of foreign DNA does not alter its replication properties

Select the wrong statement about plasmids?

Its replication depends upon host cell

genes coding for viral proteins

marker genes coding for replication

cleavage site for the insertion of foreign DNA

Charon vectors are different from EMBL vectors because

physical separation of lambda arm from central fragment is not required

they have more extensive range of restriction targets with in their polylinkers.

physical separation of lambda arm from central fragment is required

physical separation of lambda arm from central fragment is not required

Plasmid incompatibility is

inability of a plasmid to grow in the host

inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.

A polar vector is one which

Gives the position of an object

Tells how much and in which direction an object has changed its position

Has a starting point of application

49 + Mcqs in Vectors in UPSEE Page 1 McqOptions

1.	Four particles A, B, C, and D with masses mA = m, mB = 2m, mC = 3m and mD = 4m are at the corners of a square. They have accelerations of equal magnitude with directions as shown. The acceleration of the center of mass of the particles is:
A.	\(\frac{a}{5}\left( \hat{i}+\hat{j} \right)\)
B.	\(\text{a}\left( \hat{i}+\hat{j} \right)\)
C.	Zero
D.	\(\frac{\text{a}}{5}\left( \hat{i}-\hat{j} \right)\)
Answer» E.

Discussion

2.	Let \(\left\| {\overrightarrow {{{\rm{A}}_1}} } \right\| = 3,\;\left\| {\overrightarrow {{{\rm{A}}_2}} } \right\| = 5{\rm{\;and\;}}\left\| {\overrightarrow {{{\rm{A}}_1}} + \overrightarrow {{{\rm{A}}_2}} } \right\| = 5\). The value of \(\left( {2\overrightarrow {{{\rm{A}}_1}} + 3\overrightarrow {{{\rm{A}}_2}} } \right) \cdot \left( {3\overrightarrow {{{\rm{A}}_1}} - 2\overrightarrow {{{\rm{A}}_2}} } \right)\) is:
A.	-106.5
B.	-99.5
C.	-118.5
D.	-112.5
Answer» D. -112.5

Discussion

3.	A particle moves from the point \(\left( {2.0\hat i + 4.0\hat j} \right)\) m at t = 0 with an initial velocity \(\left( {5.0\hat i + 4.0\;\hat j} \right)m{s^{ - 1}}\). It is acted upon by a constant force which produces a constant acceleration \(\left( {4.0\;\hat i + 4.0\;\hat j} \right)m{s^{ - 2}}\). What is the distance of the particle from the origin at time 2 s?
A.	5 m
B.	\(20\sqrt 2 m\)
C.	\(10\sqrt 2 m\)
D.	15 m
Answer» C. \(10\sqrt 2 m\)

Discussion

4.	In the cube of side 'a' shown in the figure, the vector from the central point of the face ABOD to the central point of the face BEFO will be
A.	\(\frac{1}{2}a\left( {\hat i - \hat k} \right)\)
B.	\(\frac{1}{2}a\left( {\hat j - \hat i} \right)\)
C.	\(\frac{1}{2}a\left( {\hat j - \hat k} \right)\)
D.	\(\frac{1}{2}a\left( {\hat k - \hat i} \right)\)
Answer» C. \(\frac{1}{2}a\left( {\hat j - \hat k} \right)\)

Discussion

5.	Find the unit vector perpendicular to the surface x2 + y2 – z2 = 11 at the point (4, 2, 3).
A.	8î + 4ĵ -6k̂
B.	\(\frac{{4\widehat i + 2\widehat j - 3\widehat k}}{{\sqrt {29} }}\)
C.	\(\frac{{8\widehat i +4\widehat j - 6\widehat k}}{{\sqrt {29} }}\)
D.	\(\frac{{4\widehat i - 2\widehat j - 3\widehat k-11}}{{\sqrt {116} }}\)
Answer» C. \(\frac{{8\widehat i +4\widehat j - 6\widehat k}}{{\sqrt {29} }}\)

Discussion

6.	Consider the following physical quantities:Energy, power, pressure, impulse, temperature, gravitational potential. Which of the above is/are the vector quantity/quantities?
A.	Impulse only
B.	Impulse and pressure only
C.	Impulse, temperature and pressure
D.	Gravitational potential
Answer» B. Impulse and pressure only

Discussion

7.	A particle is moving with a velocity \(v = K\left( {y\hat i + x\hat j} \right)\) where K is a constant. The general equation for its path is:
A.	y = x2 + constant
B.	y2 = x + constant
C.	y2 = x2 + constant
D.	xy = constant
Answer» D. xy = constant

Discussion

8.	If two forces of 5N each are acting along X and Y-axis then the magnitude and direction of resultant is
A.	\(5\sqrt{2}, \pi/3\)
B.	\(5\sqrt{2}, \pi/4\)
C.	\(-5\sqrt{2}, \pi/3\)
D.	\(-5\sqrt{2}, \pi/4\)
Answer» C. \(-5\sqrt{2}, \pi/3\)

Discussion

9.	If two vectors \(\vec{A}=6\hat{i}-8\hat{j}+4\hat{k}\) and \(\vec{B}=4\hat{i}-6\hat{j}+p\hat{k}\) are mutually perpendicular, then value of p is
A.	-9
B.	-18
C.	+4
D.	0
Answer» C. +4

Discussion

10.	Cos site of the cosmids
A.	consists of 12 bases
B.	helps whole genome in circularization and ligation
C.	both (a) and (b)
D.	contains cleavage site
Answer» D. contains cleavage site

Discussion

11.	Plasmids which are maintained as limited number of copies per cell are known as
A.	stringent plasmids
B.	relaxed plasmids
C.	cryptic plasmids
D.	all of these
Answer» B. relaxed plasmids

Discussion

12.	Size of the DNA that can be packaged into a λ phage is
A.	50 kb
B.	35-53 kb
C.	40-50 kb
D.	any size
Answer» C. 40-50 kb

Discussion

13.	Which of the following is not true about phagemid?
A.	Contain functional origin of replication of the plasmid and λ phage
B.	May be propagated as a plasmid or as phage in appropriate strain
C.	Contain λ att site
D.	Can only be propagated as phage
Answer» E.

Discussion

14.	Stuffer is
A.	the right arm of the vector DNA
B.	the left arm of the vector DNA
C.	central fragment of the vector DNA
D.	none of the above
Answer» D. none of the above

Discussion

15.	pBR 322 has/have which of the following selection marker(s)?
A.	Ampr
B.	Tetr
C.	Both (a) and (b)
D.	Kanr
Answer» D. Kanr

Discussion

16.	Difference between λ gt 10 and λ gt 11 vectors is that
A.	λ gt 11 is an expression vector
B.	λ gt 10 is an expression vector
C.	λ gt 10 is a replacement vector
D.	λ gt 11 is a replacement vector
Answer» B. λ gt 10 is an expression vector

Discussion

17.	λ gt 10 and λ gt 11 vectors can propagate cloned fragments up to
A.	6-7 kb
B.	1-2 kb
C.	40-44 kb
D.	20-23 kb
Answer» B. 1-2 kb

Discussion

18.	EMBL 3 and EMBL 4 are replacement vectors, which can clone DNA up to
A.	6-7 kb
B.	15-25 kb
C.	40-44 kb
D.	1-2 kb
Answer» C. 40-44 kb

Discussion

19.	Phagemid consist of
A.	plasmid vector carrying λ phage's cos site
B.	plasmid vector carrying λ attachment (λ att) site
C.	plasmid vector carrying origin of replication of λ phage only
D.	plasmid vector carrying origin of replication of plasmid only
Answer» C. plasmid vector carrying origin of replication of λ phage only

Discussion

20.	Maximum size of foreign DNA that can be inserted into a replacement vector is
A.	25-30 kb
B.	18-20 kb
C.	20-25 kb
D.	40-50 kb
Answer» D. 40-50 kb

Discussion

21.	λ ZAP vector is an example of
A.	phage
B.	phagemid
C.	cosmid
D.	plasmid
Answer» C. cosmid

Discussion

22.	Cosmid vectors are used for
A.	cloning small fragments of DNA
B.	cloning large fragments of DNA
C.	cloning prokaryotic DNA only
D.	cloning eukaryotic DNA only
Answer» C. cloning prokaryotic DNA only

Discussion

23.	Conjugative plasmids
A.	exhibit antibiotic resistance
B.	do not exhibit antibiotic resistance
C.	carry transfer genes called the tra genes
D.	do not carry transfer genes
Answer» D. do not carry transfer genes

Discussion

24.	Cosmid vectors are
A.	plasmids that contain fragment of λ DNA including the cos site
B.	phages that lack cos site
C.	plasmids that have no selection marker
D.	cryptic plasmids
Answer» B. phages that lack cos site

Discussion

25.	Charon 34 and Charon 35 are the examples of
A.	plasmid vector
B.	cosmid vector
C.	phage vector
D.	phagemid vector
Answer» D. phagemid vector

Discussion

26.	Cryptic plasmids
A.	do not exhibit any phenotypic trait
B.	exhibit many phenotypic traits
C.	exhibit one phenotypic traits
D.	exhibit antibiotic resistance
Answer» B. exhibit many phenotypic traits

Discussion

27.	Single stranded vectors are useful
A.	for sequencing of cloned DNA
B.	for oligonucleotide directed mutagenesis
C.	for probe preparation
D.	all of the above
Answer» E.

Discussion

28.	Inserted DNA in λ gt 11 can be expressed as
A.	β-galactosidase fused protein
B.	free protein in the cytoplasm
C.	free protein that is secreted out
D.	all of the above
Answer» B. free protein in the cytoplasm

Discussion

29.	Phagemid vectors are
A.	combination of plasmid and phage λ
B.	combination of phages and cosmid
C.	phages carrying properties of plasmids
D.	all of the above
Answer» B. combination of phages and cosmid

Discussion

30.	A plasmid can be considered as a suitable cloning vector if
A.	it can be readily isolated from the cells
B.	it possesses a single restriction site for one or more restriction enzymes
C.	insertion of foreign DNA does not alter its replication properties
D.	All of the above
Answer» E.

Discussion

31.	M 13 is an example of
A.	filamentous phage
B.	single stranded DNA vector
C.	both (a) and (b)
D.	plasmid
Answer» D. plasmid

Discussion

32.	Select the wrong statement about plasmids?
A.	It is extrachromosomal
B.	It is double stranded
C.	Its replication depends upon host cell
D.	It is closed and circular DNA
Answer» D. It is closed and circular DNA

Discussion

33.	Cosmids lack
A.	genes coding for viral proteins
B.	origin of replication
C.	marker genes coding for replication
D.	cleavage site for the insertion of foreign DNA
Answer» B. origin of replication

Discussion

34.	Plasmids which are maintained as multiple copy number per cell are known as
A.	stringent plasmids
B.	relaxed plasmids
C.	cryptic plasmids
D.	none of these
Answer» C. cryptic plasmids

Discussion

35.	Maximum size of foreign DNA that can be inserted into an insertion vector is
A.	35 kb
B.	18 kb
C.	50 kb
D.	27 kb
Answer» C. 50 kb

Discussion

36.	Charon vectors are different from EMBL vectors because
A.	they have more extensive range of restriction targets with in their polylinkers.
B.	physical separation of lambda arm from central fragment is required
C.	both (a) and (b)
D.	physical separation of lambda arm from central fragment is not required
Answer» D. physical separation of lambda arm from central fragment is not required

Discussion

37.	Charon 34 and Charon 35 can clone DNA upto
A.	1-2 kb
B.	6-7 kb
C.	9-20 kb
D.	30-35 kb
Answer» D. 30-35 kb

Discussion

38.	P1 cloning vector allow cloning of DNA of the length of
A.	100 kbp
B.	50 kbp
C.	20 kbp
D.	10 kbp
Answer» B. 50 kbp

Discussion

39.	Plasmid incompatibility is
A.	inability of a plasmid to grow in the host
B.	inability of two different plasmids to coexist in the same host cell in the absence of selection pressure.
C.	both (a) and (b)
D.	none of the above
Answer» C. both (a) and (b)

Discussion

40.	P1 cloning vector is the example of
A.	plasmid
B.	cosmid
C.	bacteriophage
D.	phagemid
Answer» D. phagemid

Discussion

41.	Walking off a man is an example of
A.	Resolution of forces
B.	Addition of vectors
C.	Subtraction of vectors
D.	Multiplication of vectors
Answer» B. Addition of vectors

Discussion

42.	Two forces whose magnitudes are in ratio of 3:5 give a resultant of 35N. If the angle of inclination is 60°, calculate the magnitude of each force.
A.	15N and35N
B.	15N and 25N
C.	10N and 15N
D.	20N and 5N
Answer» C. 10N and 15N

Discussion

43.	Flying a bird is an example of
A.	Collinear vector
B.	Multiplication of vector
C.	Addition of vector
D.	Composition of vector
Answer» E.

Discussion

44.	Which have the following has zero magnitude?
A.	Fixed vector
B.	Zero vector
C.	Modulus of a vector
D.	Unit vector
Answer» C. Modulus of a vector

Discussion

45.	What is the magnitude of a unit vector?
A.	It has no magnitude
B.	Zero
C.	Constant but not zero
D.	Unity
Answer» E.

Discussion

46.	Which of the following acts in accordance with right hand screw rule?
A.	Polar vector
B.	Axial vector
C.	Displacement vector
D.	Position vector
Answer» C. Displacement vector

Discussion

47.	A polar vector is one which
A.	Gives the position of an object
B.	Tells how much and in which direction an object has changed its position
C.	Represents rotational effect
D.	Has a starting point of application
Answer» E.

Discussion

48.	Force is a vector quantity.
A.	True
B.	False
Answer» B. False

Discussion

49.	The quantity which has the only magnitude is called
A.	A scalar quantity
B.	A vector quantity
C.	A chemical quantity
D.	A magnitude quantity
Answer» B. A vector quantity

Discussion

Explore topic-wise MCQs in UPSEE.

Four particles A, B, C, and D with masses mA = m, mB = 2m, mC = 3m and mD = 4m are at the corners of a square. They have accelerations of equal magnitude with directions as shown. The acceleration of the center of mass of the particles is:

In the cube of side 'a' shown in the figure, the vector from the central point of the face ABOD to the central point of the face BEFO will be

Find the unit vector perpendicular to the surface x2 + y2 – z2 = 11 at the point (4, 2, 3).

Consider the following physical quantities:Energy, power, pressure, impulse, temperature, gravitational potential. Which of the above is/are the vector quantity/quantities?

A particle is moving with a velocity \(v = K\left( {y\hat i + x\hat j} \right)\) where K is a constant. The general equation for its path is:

If two forces of 5N each are acting along X and Y-axis then the magnitude and direction of resultant is

If two vectors \(\vec{A}=6\hat{i}-8\hat{j}+4\hat{k}\) and \(\vec{B}=4\hat{i}-6\hat{j}+p\hat{k}\) are mutually perpendicular, then value of p is

Cos site of the cosmids

Plasmids which are maintained as limited number of copies per cell are known as

Size of the DNA that can be packaged into a λ phage is

Which of the following is not true about phagemid?

Stuffer is

pBR 322 has/have which of the following selection marker(s)?

Difference between λ gt 10 and λ gt 11 vectors is that

λ gt 10 and λ gt 11 vectors can propagate cloned fragments up to

EMBL 3 and EMBL 4 are replacement vectors, which can clone DNA up to

Phagemid consist of

Maximum size of foreign DNA that can be inserted into a replacement vector is

λ ZAP vector is an example of

Cosmid vectors are used for

Conjugative plasmids

Cosmid vectors are

Charon 34 and Charon 35 are the examples of

Cryptic plasmids

Single stranded vectors are useful

Inserted DNA in λ gt 11 can be expressed as

Phagemid vectors are

A plasmid can be considered as a suitable cloning vector if

M 13 is an example of

Select the wrong statement about plasmids?

Cosmids lack

Plasmids which are maintained as multiple copy number per cell are known as

Maximum size of foreign DNA that can be inserted into an insertion vector is

Charon vectors are different from EMBL vectors because

Charon 34 and Charon 35 can clone DNA upto

P1 cloning vector allow cloning of DNA of the length of

Plasmid incompatibility is

P1 cloning vector is the example of

Walking off a man is an example of

Two forces whose magnitudes are in ratio of 3:5 give a resultant of 35N. If the angle of inclination is 60°, calculate the magnitude of each force.

Flying a bird is an example of

Which have the following has zero magnitude?

What is the magnitude of a unit vector?

Which of the following acts in accordance with right hand screw rule?

A polar vector is one which

Force is a vector quantity.

The quantity which has the only magnitude is called