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

Which of the following is not an example of convergent evolution?

A

Flippers of penguins and dolphins

B

Eyes of octopuses and mammals

C

Fore limbs of whales and bats

D

Wings of butterflies and birds

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

Male frogs can be distinguished from female frogs due to the presence of

A. Bulging eyes

B. Vocal sacs

C. Webbed digits in feet

D. Copulatory pad on first digit of fore limbs

E. Olive green-coloured skin with dark irregular spots

Choose the correct answer from the options given below

A

B and C only

B

$C$ and $E$ only

C

A and B only

D

B and D only

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

A group of researchers procured some fish like animals and upon investigation the following characters were observed:

A. Endoskeleton was made of cartilage.

B. Ectoparasitic; as they were found attached on fish skin with their circular sucking mouth.

C. Paired fins and scales were absent, but 7 pairs of gill slits were present.

Which of the following species of animals did they consider to fit best with these characters?

A

Scoliodon $s p$.

B

Petromyzon $s p$.

C

Exocoetus $s p$.

D

Branchiostoma sp.

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

$$ \text { Match List I with List II with respect to chronology of evolution of life forms } $$

List-I
List-II
A. About 65 mya I. Jawless fish probably evolved
B. About 500 mya II. The dinosaurs suddenly disappeared from the earth
C. About 350 mya III. Seaweeds and few plants probably existed
D. About 320 mya IV. Invertebrates were formed and became active
Choose the correct answer from the options given below:
A

$\mathrm{A}(\mathrm{III}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{I}), \mathrm{D}(\mathrm{II})$

B

$\mathrm{A}(\mathrm{I}), \mathrm{B}(\mathrm{II}), \mathrm{C}(\mathrm{III}), \mathrm{D}(\mathrm{IV})$

C

$\mathrm{A}(\mathrm{II}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{III}), \mathrm{D}(\mathrm{I})$

D

$\mathrm{A}(\mathrm{II}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{I}), \mathrm{D}(\mathrm{III})$