1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Embryological support for evolution was disapproved by
A
Oparin
B
Alfred Wallace
C
Karl Ernst von Baer
D
Charles Darwin
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Select the correct match
A
Thalassemia – X linked
B
Sickle cell anaemia – Autosomal recessive trait, chromosome-11
C
Phenylketonuria – Autosomal dominant trait
D
Haemophilia – Y linked
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109 bp, then the length of the DNA is approximately
A
2.7 meters
B
2.0 meters
C
2.5 meters
D
2.2 meters
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following statements is correct?
A
Adenine does not pair with thymine
B
Adenine pairs with thymine through one H-bond
C
Adenine pairs with thymine through two H-bonds
D
Adenine pairs with thymine through three H-bonds
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