1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is :
A
Parietal
B
Free central
C
Basal
D
Axile
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following genes of the Lac operon with their respective produces :

(a) i gene (i) $$\beta $$-galactosidase
(b) z gene (ii) Permease
(c) a gene (iii) Repressor
(d) y gene (iv) Transacetylase

Select the correct option.
A
(a) (b) (c) (d)
(iii) (i) (iv) (ii)
B
(a) (b) (c) (d)
(iii) (iv) (i) (ii)
C
(a) (b) (c) (d)
(i) (iii) (ii) (iv)
D
(a) (b) (c) (d)
(iii) (i) (ii) (iv)
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
The shorter and longer arms of a submetacentric chromosome are referred to as:
A
q-arm and p-arm respectively
B
m-arm and n-arm respectively
C
s-arm and l-arm respectively
D
p-arm and q-arm respectively
4
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