For what primary purpose is the call of the cuckoo heard during the rainy season?

  • A
    Presence of a syrinx
  • B
    Communication with a mate during the breeding season
  • C
    Singing melodious songs
  • D
    All of the above

Explore More

Similar Questions

The period between $12$ and $18$ years of age in a person is known as adolescence.

In mammals,eggs are microlecithal and isolecithal because these are

Match the following columns:
Column-$I$Column-$II$
$(1)$ Testis$(a)$ Provides nutrition to sperms
$(2)$ Ovary$(b)$ Primary male sex organ
$(3)$ Theca interna$(c)$ Synthesis of testosterone
$(4)$ Sertoli cells$(d)$ Synthesis of estrogen
$(5)$ Leydig cells$(e)$ Primary female sex organ

Match the following columns:
Column-$I$Column-$II$
$(1)$ Placenta$(a)$ Stimulates uterine contraction for parturition
$(2)$ $hPL$$(b)$ Provides nutrition to the embryo
$(3)$ Relaxin$(c)$ Antibody in colostrum
$(4)$ $IgA$$(d)$ Hormone secreted by placenta

Select the odd one out regarding the cells/layers associated with early embryonic development.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo