MyQuestionIcon

23

You visited us 23 times! Enjoying our articles? Unlock Full Access!

Asexual Reproduction

In earthworms...

Question

In earthworms, self fertilization does not occur due to

A

Protandry

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

Protogyny

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Both A and B

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

Dichogamy

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B Protandry
Earthworms are monoecious or hermaphrodite (have both male and female sex organs) but are protandrous. The testes mature earlier than ovaries and hence, self-fertilisation is avoided.
Thus, thecorrect answer is option A.

Suggest Corrections

thumbs-up

0

Similar questions

Self-fertilization in earthworm is prevented due to

Q. Which of the following statements are correct?
A. Tapeworms are hermaphrodites and undergo self-fertilization.
B. Earthworms are hermaphrodites and undergo self-fertilization.
C. Tapeworms are hermaphrodites but undergo cross-fertilization.
D. Earthworms are hermaphrodites but undergo cross-fertilization.

Q. In a copulatory pair of earthworms, what types of fertilizations occur?

Q. Assertion :Protandry and protogyny ensures cross fertilization. Reason: Cross fertilization introduces variation in progeny.

Q. Which of the following statements are correct?
A.Tapeworms are hermaphrodites and undergo self-fertilization.
B. Earthworms are hermaphrodites and undergo self-fertilization.
C. Tapeworms are hermaphrodites but undergo cross-fertilization.
D. Earth worms are hermaphrodites but undergo cross-fertilization.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Asexual Reproduction

BIOLOGY

Watch in App

explore_more_icon

Explore more

Asexual Reproduction

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon