1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
A
T : 20 ; G : 25 ; C : 25
B
T : 20 ; G : 30 ; C : 20
C
T : 20 ; G : 20 ; C : 30
D
T : 30 ; G : 20 ; C : 20
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
A
pO2 = 159 and pCO2 = 0.3
B
pO2 = 104 and pCO2 = 40
C
pO2 = 40 and pCO2 = 45
D
pO2 = 95 and pCO2 = 40
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Read the following statements

(1) Metagenesis is observed in Helminths.

(2) Echinoderms are triploblastic and coelomate animals.

(3) Round worms have organ-system level of body organization.

(4) Comb plates present in ctenophores help in digestion.

(5) Water vascular system is characteristic of Echinoderms.

Choose the correct answer from the options given below.
A
(2), (3) and (5) are correct
B
(3), (4) and (5) are correct
C
Round (1), (2) and (3) are correct
D
(1), (4) and (5) are correct
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
In a cross between a male and female, both heterozygous for sickle cell anaemia gene, what percentage of the progeny will be diseased?
A
100%
B
50%
C
75%
D
25%
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12