1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the incorrect statements from the following:

A. Digestive system in Platyhelminthes is incomplete.

B. Bilateral symmetry is a characteristic feature of adult Echinoderms.

C. Pseudocoelom is possessed by Aschelminthes.

D. Notochord is persistent throughout life in the class Chondrichthyes.

E. Members of class Reptilia maintain a constant body temperature.

Choose the answer from the options given below:

A

A and C only

B

B and E only

C

C and D only

D

B and D only

2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are $\_\_\_\_$ .

A

Ribosomes

B

Lysosomes

C

Centrosomes

D

Mitochondria

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following equations depicts Verhulst-Pearl logistic population growth?

A

$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}+\mathrm{N}}{\mathrm{K}}\right)$.

B

$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}-\mathrm{N}}{\mathrm{K}}\right)$

C

$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}-\mathrm{N}}{\mathrm{N}}\right)$

D

$\frac{\mathrm{dN}}{\mathrm{dt}}=\mathrm{rN}\left(\frac{\mathrm{K}}{\mathrm{K}-\mathrm{N}}\right)$

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Select the incorrect statement with reference to Rh grouping.

A. Erythroblastosis foetalis is a condition observed having foetus with $\mathrm{Rh}^{-\mathrm{ve}}$ blood and mother with $\mathrm{Rh}^{+\mathrm{ve}}$ blood.

B. Rh antigen is observed on RBCs in the majority of human beings.

C. Before blood transfusion, Rh group should also be matched.

D. Rh incompatibility is observed when a pregnant mother is $\mathrm{Rh}^{-\mathrm{ve}}$ and the foetus is $\mathrm{Rh}^{+\mathrm{ve}}$.

E. Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.

Choose the answer from the options given below :

A

C and D only

B

A and B only

C

A and E only

D

B and C only