MPPEB Lab Assistant Recruitment Paper 2017
Echinoderms get its name from
(a) The presence of spines on the body
(b) The presence of ossicles on the body
(c) The presence of tube feet
(d) The presence of water vascular system
Ans- (a)
The work done in stretching a wire is ______
(a) (Force x Elongation)/2
(b) 2 x (Stress x Strain)
(c) Stress x Strain
(d) Stress/Strain
Ans- (a)
The cells that are associated with sieve tubes and help in the translocation of food are _______.
(a) Companion cells
(b) Phloem fibres
(b) Phloem parenchyma
(d) Sieve cells
Ans- (a)
The current in an inductor of inductance 100mH is dropped from 4A to 0A. The time required to induce 5V across the inductor is _______
(a) 8s
(b) 0.08s
(c) 4s
(d) 1s
Ans- (b)
Tincture of iodine is a solution of ________
(a) 2 to 3% solution of iodine in water
(b) 3 to 6% solution of iodine in alcohol and water
(c) 2 to 3% solution of iodine in potassium iodide
(d) 2 to 3% solution of iodine in alcohol and water
Ans- (b)
Same amount of charges are given to two capacitors A and B from the sources of emfs 100V and 150V, respectively, then the ratio of their capacitances is _________
(a) 2:3
(b) 3:2
(c) 1:3
(d) 3:1
Ans- (b)
Which one among the following elements has the maximum atomic radius?
(a) K
(b) Ca
(c) Na
(d) Al
Ans- (a)
Troponin and tropomyosin are additional proteins of _____
(a) Heavy meromyosin
(b) Myosin filaments
(c) Action filaments
(d) Light meromyosin
Ans- (c)
What are the food requirements of dairy animals?
(a) Cattle require appropriate amount of food to sustain life needs
(b) Cattle are fed with plenty of green grass as well as dried fodder.
(c) Cattle need balanced rations containing all nutrients in proportionate amount.
(d) Cattle feed include roughage, which is largely fibre, and concentrates, which are low in fibre but contains high level of proteins and other nutrients.
Ans- (d)
When Alpha particles are passed through a thin metal foil, most of them go straight thorugh the foil because of _________
(a) The empty space present in atom
(b) The high speed
(c) Positive charge
(d) Negative charge
Ans- (a)
Leave a Reply