Biology
General
Easy
Question
The Ti plasmid, is often used for making transgenic plants. This plasmid is found in
- Yeast as a 2
m plasmid
- Azotobacter
- Rhizobium of the roots of leguminous plants
- Agrobacterium
m plasmid
The correct answer is: Agrobacterium
Related Questions to study
physics-
The figure shows the stress-strain graph of a certain substance. Over which region of the graph is Hook’s Law obeyed ?
The figure shows the stress-strain graph of a certain substance. Over which region of the graph is Hook’s Law obeyed ?
physics-General
biology
Which is true for repressible operon
Which is true for repressible operon
biologyGeneral
physics-
Two wires of the same material (Young’s modulus Y) and same length 
but radii R and 2R respectively are joined end to end and a weight 
is suspended from the combination as shown in the figure. The elastic potential energy in the system is
Two wires of the same material (Young’s modulus Y) and same length but radii R and 2R respectively are joined end to end and a weight is suspended from the combination as shown in the figure. The elastic potential energy in the system is
physics-General
physics-
Two wires, one made of copper and other of steel are joined end to end (as shown in figure). The area of cross-section of copper wire is twice that of steel wire.
They are placed under compressive force of magnitudes F. The ratio for their lengths such that change in lengths of both wires are same is (
Two wires, one made of copper and other of steel are joined end to end (as shown in figure). The area of cross-section of copper wire is twice that of steel wire.
They are placed under compressive force of magnitudes F. The ratio for their lengths such that change in lengths of both wires are same is (
physics-General
biology
Which is true for typtophan operon
Which is true for typtophan operon
biologyGeneral
maths-
If f: R+
R+, f(x) = x2+ 1/x2 and g: R+R+, g(x) = ex then (gof) (x) equals-
If f: R+ R+, f(x) = x2+ 1/x2 and g: R+R+, g(x) = ex then (gof) (x) equals-
maths-General
maths-
If f: R R, f(x) = x2–5x + 4 and g: R R, g(x) = log x, then the value of (gof) (2) is -
If f: R R, f(x) = x2–5x + 4 and g: R R, g(x) = log x, then the value of (gof) (2) is -
maths-General
physics-
The ratio of diameters of two wires of same materials is 
: 1. The length of each wire is 4 m. On applying the same load, the increase in length of thin wire will be 
The ratio of diameters of two wires of same materials is : 1. The length of each wire is 4 m. On applying the same load, the increase in length of thin wire will be
physics-General
physics-
A uniform slender rod of length L, cross-sectional area A and Young’s modulus Y is acted upon by the forces shown in the figure. The elongation of the rod is
A uniform slender rod of length L, cross-sectional area A and Young’s modulus Y is acted upon by the forces shown in the figure. The elongation of the rod is
physics-General
biology
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents ?
The figure below shows three steps (A, B, C) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents ?
biologyGeneral
physics-
Two cylinders of same material and of same length are joined to end as shown in figure. The upper end of A is rigidly fixed. Their radii are in ratio of 1 : 2, If the lower end of B is twisted by an angle 
the angle of twist of cylinder A is
Two cylinders of same material and of same length are joined to end as shown in figure. The upper end of A is rigidly fixed. Their radii are in ratio of 1 : 2, If the lower end of B is twisted by an angle the angle of twist of cylinder A is
physics-General
physics-
In the figure three identical springs are shown. From spring A, a mass of 4 kg is hung and spring shows elongation of 1 cm. But when a weight of 6 kg is hung on B, the Hook descends
In the figure three identical springs are shown. From spring A, a mass of 4 kg is hung and spring shows elongation of 1 cm. But when a weight of 6 kg is hung on B, the Hook descends
physics-General
biology
A test cross is carried out to :
A test cross is carried out to :
biologyGeneral
biology
The figure below is the diagrammatic respesentation o the E.Coli vector pBR 322. Which one of the given options correctly identifies its certain component(s) ?
The figure below is the diagrammatic respesentation o the E.Coli vector pBR 322. Which one of the given options correctly identifies its certain component(s) ?
biologyGeneral
biology
Grain colour in wheat is determined by three pairs of polygenes. Following cross AABBCC (dark colour) x aabbcc (light colour), in F2 generation what proportion of the porgeny is linkely to resemble either parent ?
Grain colour in wheat is determined by three pairs of polygenes. Following cross AABBCC (dark colour) x aabbcc (light colour), in F2 generation what proportion of the porgeny is linkely to resemble either parent ?
biologyGeneral
