Biology questions
20584 published questions with worked solutions.
- In the beginning of menstruation, what will happen?
- Chorionic villi and uterine tissue become interdigitated with each other and jointly form
- Which one of the following statements about morula in humans is correct?
- Gonads develop from embryonic
- Lactational amenorrhoea is
- Which of the following is included under barrier methods of birth control?
- Match the following columns. Column I | Column II A. Stage-I | 1. Menstrual phase B. Stage-II | 2. Follicular proliferative C....
- Sperm of animal species ‘a’ cannot fertilize ovum of species ‘b’ becauseNot in NEET syllabus
- In female sterilization, __A__ is cut and tied. This process is called ___B__. Choose correct option for A and B.
- Oral contraceptives have hormonal preparation of
- Sperms get fertilization ability when they come in contact with vaginal fluid reactions as
- The sexually transmitted disease which is commonly transmitted by a bacterium is
- Binding of sperm to secondary oocyte cause __A__ which ensures __B__. The words suitable to fill the blanks are
- Consider the statements given below regarding complications related with STDs. Choose the incorrect statement.
- Match the following columns. Column I (STDs) | Column II (Causative agents) A. Genital herpes | 1. Haemophilus ducreyi B....
- If spermatogenesis proceeds too rapidly, inhibin is released. Inhibin reduces the secretion of
- Which part of the sperm contains hydrolytic enzymes?
- How many phases (stages) are there in menstrual cycle?
- In vitro fertilization does not involves which of the following steps?
- What is the difference between oral contraceptives and hormonal implants?