Biology questions
20584 published questions with worked solutions.
- Mature Graafian follicle is generally present in the ovary of a healthy human female around
- Most mammals have their testes in sac called scrotal sac, for
- Androgen stimulates the _____A_____. FSH acts on the _____B_____ and stimulates factors for spermiogenesis. Here, A and B refers...
- Spermiogenesis is the transformation of
- Which of these is not an important component of initiation of parturition in humans?
- The fertilized egg in human female gets implanted in the uterus after
- A cross-section at the midpoint of the middle piece of a human sperm will show
- Which part of ovary in mammals acts as an endocrine gland after ovulation?
- Non-cellular layer of mature Graafian follicle is
- Which hormone level reaches the peak during luteal phase of menstrual cycle?
- If two blastomeres of an embryo at 2-celled stage are separated from each other. ThenNot in NEET syllabus
- Condoms are one of the most popular contraceptives because of the following reasons.
- Why the fusion of sperm and ova do not occur during pregnanacy?
- The fertilization cone that pulls the sperm into the egg is formed from the
- The correct sequence of events during fertilization in mammals is
- Baby moving vigorously, responds to the touch and loud noises, swallowing amniotic fluid and urinating during ______ of...
- Which of the following are secretions produced by the spermatozoa at the time of fertilization?
- The movement of spermatozoa from the epididymal duct and seminal fluid into the ejaculatory duct to urethra is under the control...
- Lobules contain cluster of cells called __A__ which secretes __B__. Alveoli opens into mammary tubules, which joins to form...
- Hormone __A__ secreted by the anterior lobe of pituitary, which stimulates the ovarian follicle and follicle secretes the __B__...