1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements regarding mitochondria is incorrect?
A
Inner membrane is convoluted with infoldings
B
Mitochondrial matrix contains single circular DNA molecule and ribosomes
C
Outer membrane is permeable to monomers of carbohydrates, fats and proteins
D
Enzymes of electron transport are embedded in outer membrane
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
For a cell involving one electron $$E_{cell}^\Theta $$ = 0.59 V at 298 K, the equilibrium constant for the cell reaction is :

[Given that $${{2.303RT} \over F}$$ = 0.059 V at T = 298 K ]
A
1.0 $$ \times $$ 1030
B
1.0 $$ \times $$ 1010
C
1.0 $$ \times $$ 102
D
1.0 $$ \times $$ 105
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
If the rate constant for a first order reaction is k, the time (t) required for the completion of 99 % of the reaction is given by :
A
$$t = {{4.606} \over k}$$
B
$$t = {{2.303} \over k}$$
C
$$t = {{0.693} \over k}$$
D
$$t = {{6.909} \over k}$$
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber’s process is :
A
10
B
20
C
30
D
40