Kcet

The set A has 4 elements and the Set B has 5 elements then the number of injective mappings that can be defined from A to B is 

(1) 72 

(2) 120 

(3) 144 

(4) 60

Some desert beetles can survive on “metabolic water”, without ever drinking liquid water which 

(1) is a breakdown product of pyruvate inside the mitochondria, along with carbon dioxide 

(2) was produced as water in the organisms they eat 

(3) is a breakdown product from glycolysis in the cytoplasm 

(4) is absorbed from the air along with respiratory oxygen

In the cyclotron, as radius of the circular path of the charged particle increases (ω = angular velocity, v = linear velocity) 

(1) ω only increases v remains constant 

(2) v increases, ω decreases 

(3) both ω and v increases 

(4) v increases, ω remains constant

Reactions in Zeolite catalyst depend on, 

(1) Apertures 

(2) All of these 

(3) Pores 

(4) Size of cavity

Offsprings formed during sexual reproduction exhibits more variation than, those formed asexual method, because, 

(1) sexual reproduction is more complicated 

(2) genetic material comes from two different individuals 

(3) genetic material comes from male parent 

(4) greater amount of DNA is involved

If A is a matrix of order m x n and B is a matrix such that AB’ and B’A are both defined, the order of the matrix B is 

(1) n x n 

(2) m x n 

(3) m x m 

(4) n x m

A spring is stretched by applying a load to its free end. The strain produced in the spring is 

(1) Shear 

(2) Longitudinal 

(3) Volumetric 

(4) Longitudinal & Shear

The hybridisation of C in diamond, graphite and ethyne is in the order 

(1) sp³, sp², sp 

(2) sp², sp³ , sp 

(3) sp³, sp, sp² 

(4) sp, sp² , sp³ 

A body falls freely for 10 sec. Its average velocity during this journey (take g = 10 ms^-2 ) 

(1) 10 ms^-1 

(2) 5 ms^-1 

(3) 100 ms^-1 

(4) 50 ms^-1

If tan^-1(x² +y²) = α then dy/dx is equal to

(1) xy

(2) – xy

(3) -x/y

(4) x/y