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Which of the following statements in inc...

Which of the following statements in incorrect ?

A

Earthworms and leeches are hermaphrodite animals.

B

Young ones of animals showing external fertilisation receive little or no parental care.

C

If the egg is not fertilised, it is thrown out of the body along with the lining of the uterus as menstrual flow.

D

Sex organs in human beings are formed at puberty.

Text Solution

Verified by Experts

The correct Answer is:
d
Sex organs in human are formed before birth (during ambryonic development)
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  2. Which of the following statements is not correct regarding sexuality i...

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  3. Which of the following statements in incorrect ?

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  5. In organisms showing internal fertilisation, female gamete is non-moti...

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  6. Fertilisation cannot occur in absence of surface water in

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  7. Spirogyra is a sexually reproducing alga in which vegetative thallus i...

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  8. Match the column I with column II. {:("Column I", "Column II"),("Ext...

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  9. Zygote of an oranism developed after syngamy undergoes meiosis to form...

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  11. Life begin in all sexually reproducing organisms as a

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  12. Read the following statements about embryogenesis and select the incor...

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  13. Which of the following is not correct regarding sexual reproduction ?

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  14. Offsprings of oviparous animal are at greater risk of survival as comp...

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  15. Which of the following statements is not correct regarding oviparous a...

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  16. Deposition of calcareous shell around zygote occurs in

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  17. Read the following statements and select the correct option. Stateme...

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  18. Select the option which shows viviparous animals only.

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  19. Which of the following animals give birth to young ones ?

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  20. Viviparity is found in

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