1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the newborn infants because it contains :
A
Macrophages
B
Immunoglobulin A
C
Natural killer cells
D
Monocytes
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the direction of movement of sugars in phloem?
A
Downward
B
Bi-directional
C
Non-multidirectional
D
Upward
3
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
4
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