Which of the following pairs is correct?

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Question

(A) The classification of eggs is based on the amount and distribution of yolk:$1$. Centrolecithal eggs have yolk concentrated in the center,which is

Vedclass · Accepted Answer

Centrolecithal egg - Insect

Vedclass · Answer

(A) The classification of eggs is based on the amount and distribution of yolk:$1$. Centrolecithal eggs have yolk concentrated in the center,which is characteristic of insects.$2$. Macrolecithal (or Megalecithal) eggs contain a large amount of yolk,found in birds and reptiles.$3$. Microlecithal eggs contain a small amount of yolk,found in eutherian mammals.$4$. Alecithal eggs contain almost no yolk,found in eutherian mammals (though often classified as microlecithal due to trace amounts).Therefore,the pair $A$ (Centrolecithal egg - Insect) is correct.

Column-$I$	Column-$II$
$(A)$ Leydig cells	$(i)$ Provides nutrition to developing sperm
$(B)$ Sertoli cells	$(ii)$ Secrete mainly progesterone
$(C)$ Corpus luteum	$(iii)$ Secrete inhibin
$(D)$ Developing follicle	$(iv)$ Secrete androgen

Similar Questions

Match the column-$I$ with column-$II$.

Column-$I$ Column-$II$

$(A)$ Leydig cells $(i)$ Provides nutrition to developing sperm

$(B)$ Sertoli cells $(ii)$ Secrete mainly progesterone

$(C)$ Corpus luteum $(iii)$ Secrete inhibin

$(D)$ Developing follicle $(iv)$ Secrete androgen

Which one of the following statements about sex hormones is correct?

Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?

With reference to human beings,find out the mismatch pair.

Which of the following pairs of homologous organs is incorrect?

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