1
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Analogous structures are a result of :
A
Divergent evolution
B
Convergent evolution
C
Stabilizing selection
D
Shared ancestry
2
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Following are the two statements regarding the origin of life -
(a) The earliest organisms that appeared on the earth were non-green and presumably anaerobes
(b) The first autotrophic organisms were the chemoautotrophs that never released oxygen
Of the above statements which one of the following options is correct ?
A
Both (a) and (b) are false
B
Both (a) and (b) are correct
C
(b) is correct but (a) is false
D
(a) is correct but (b) is false
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
Antivenom injection contains preformed antibodies while polio drops that are administered into the body contain -
A
Attenuated pathogens
B
Activated pathogens
C
Harvested antibodies
D
Gamma globulin
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Change Language
In higher vertebrates, the immune system can distinguish self-cells and non-self. If this property is lost due to genetic abnormally and it attacks self-cells, then it leads to
A
Active immunity
B
Allergic response
C
Graft rejection
D
Auto-immune disease
EXAM MAP