Browse and search thousands of solved questions for your preparation.
Free questions with full explanations — locked behind signup to protect quality.
Which of the following induces the development of the corpus luteum?
In humans, at the end of the first meiotic division, the male germ cells differentiate into the:
Snow-blindness in Antarctic region is due to
The second maturation division of the mammalian ovum occurs:
Vasa efferentia are the ductules leading from:
Match the following columns and select the correct option. Column I (a) T4 (b) PTH (c) GnRH (d) LH Column II (i) Hypothalamus (ii) Thyroid (iii) Pituitary (iv) Parathyroid
About which day in a normal human menstrual cycle does rapid secretion of LH (popularly called LH-surge) normally occur?
The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is:
Anthesis is a phenomenon that refers to:
In grasses, what happens in the microspore mother cell for the formation of mature pollen grains?
Wind pollination is common in:
Plants with ovaries having only one or a few ovules are generally pollinated by:
Double fertilization is exhibited by:
In which one of the following is pollination autogamous?
Which one of the following plants shows a very close relationship with a species of moth, where none of the two can complete its life cycle without the other?
In a flowering plant, archesporium gives rise to:
What is the function of germ pores?
Unisexuality of flowers prevents:
Eight-nucleated embryosac is:
Nucellar polyembryony is reported in species of: