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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Human Reproduction Set 4
Q1 | In oogenesis which cell body are concentrated in cytoplasm of primary oocyte of the growth phase ?
- Mitochondrial
- Golgicomplex
- Ribosomes
- Above all
Q2 | In oogenesis which cells are produced at the first division of primary oocyte in maturation phase ?
- Secondary oocyte
- First polar body
- Secondary polar body
- (a) and (b) both
Q3 | Which stage of cell at the time of ovulation.
- Secondary oocyte
- First polar body
- Secondary polar body
- Primary oocyte
Q4 | When sperm penetrate secondary oocyte during its unequal meioticdivision, how many polar body(bodies) is are produced ?
- One
- Two
- Three
- None of this
Q5 | The events of the menstrual cycle are the cyclic changes in the....
- Endometrium
- Myometrium
- Epimetrium
- All of this
Q6 | The events of menstrual cycle are comprised of .... days.
- 27 day
- 28 days
- 29 days
- 30 days
Q7 | In menstrual cycle which period is known as menstrual phase ?
- 1 to 5 day
- 6 to 14 days
- 15 to 28 days
- 14 to 15 days
Q8 | Which period is of the cycle is known as a proliferative phase ?
- 1 to 5 day
- 6 to 14 days
- 15 to 28 days
- 14 to 15 days
Q9 | In menstrual cycle on which day ovulation occurs ?
- on 12th day
- on 13th day
- on 14th day
- on 15th day
Q10 | In menstrual cycle during which days rising estrogen levels ?
- 1 to 5 day
- 6 to 14 days
- 14 to 15 days
- 15 to 28 days
Q11 | In menstrual cycle on which days rises progesterone levels ?
- 1 to 5 day
- 6 to 14 days
- 14 to 15 days
- 15 to 28 days
Q12 | The sperms emptied in the vagina start moving towards oviducts through the uterus which is helpfulin their locomotion
- Contraction of uterine wall
- Contraction vagina passage
- The slimy secretion of oviduct wall
- All these
Q13 | What time is taken by the sperm emptied in vagina, to move toward uterus ?
- 4 to 5 hr
- 5 to 6 hrs
- 3 to 4 hrs
- 2 to 3 hrs.
Q14 | In fertilization which part of sperm enters the secondary oocyte ?
- Tail
- Head
- Middle part
- (b) and (c) both
Q15 | After fertilization which changes prevents entry of other sperms in to the oocytes.
- Egg membrane
- Fertilization membrane
- Vitelline membrane
- (a) and (c) both
Q16 | When fertilized ovum is convert into zygote ?
- On entry of sperm in ovum
- On entry of sperm in secondery pronucleus
- On fusion of male and female pronucleus
- After change into fertilization membrane
Q17 | During movement of zygote into oviduct the division of zygote in 2 to 16 daughter cells. This process called
- Cleavage
- Gastrulation
- Morula
- (a) and (b) both
Q18 | The division of it forms in to 16 daughter cells..called....
- Blasto cell
- Blastomeres
- Morula
- (a) and (b) both
Q19 | The embryo with 16 cells is called........
- Blastocyst
- Blastomeres
- Morula
- Cleavage
Q20 | What time period is required to form blastocyst ?
- One week
- 8 days
- two week
- 9 days
Q21 | The fluid within the blastocyst is formed by the cells of _______ ?
- Blastomere
- Trophoblast
- Iner layer of blastocyt
- None of this
Q22 | Which cells secrete the enzymes for make implantation of embryo possible ?
- Trophoblast
- Blastomere
- Outer layer of uterus
- Outer layer of blastocyst
Q23 | In human normally what is the period of pregnancy ?
- 266 day
- 280 days
- 270 days
- 275 days
Q24 | The fertilized ovum during the first 12 weeks is called _______.
- Embryo
- Foetus
- Blastocyte
- (a) & (b) both
Q25 | In humans after implantation what is the elaborate projection developed from trophoblast called ?
- Embryonic Layer
- Chorionic vili
- Placenta
- Umbilical cord