Related Questions

Many breakfast cereals are fortified with vitamin supplements , some of these cereals provide 100 percent of the recommended daily requirement of vitamins. Nevertheless, a well -balanced breakfast, including a variety of foods is a better source of those vitamins than are such fortified breakfast cereals alone.
A In many foods , the natural combination of vitamins with other nutrients makes those vitamins more usable by the body than are vitamins added in vitamin supplements.
B People who regularly eat cereals fortified with vitamin supplements sometimes neglect to eat the foods in which the vitamins occur naturally.
C Foods often mist be fortified with vitamin supplements because naturally occurring vitamins are removed during processing .
D Unprocessed cereals are naturally high in several of the vitamins that are usuallly added to fortified breakfast cereals.
Coenzymes required for the conversion of pyruvate to acetyl-CoA are
A Thiamine pyrophosphate
B CoA
C FAD
D Biotin
E Pyridoxal phosphate
Which vitamin also act as coenzymes?
A K
B E
C B12
D None of the Above
A single acting steam engine produces __________ power than that of double acting steam engine.
A equal
B double
C half
D 4 times
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine.
A Equal to
B Twice
C Three times
D Four times
The __________ of a double acting reciprocating pump as compared to the single acting pump will be almost double.
A Flow output
B Head developed
C Overall efficiency
D Weight
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double
A Head
B Discharge
C Efficiency
D None of these
নিচের কোনটি Biochemical cycle নয় ?
A Carbon cycle
B Nitrogen cycle
C Calvin cycle
D Water cycle
কোনো একটি নমুনা পানির BOD (Biochemical Oxygen Demand ) 3 mg/L হলে নমুনা পানিটি সম্পর্কে সঠিক?
A খুবই ভালো
B মোটামুটি ভালো
C দূষণমাত্রা খারাপ
D দূষণমাত্রা খুবই খারাপ

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