SCIENCE 10
  • 1. It is the male reproductive organ that is used for intercourse and at the same time for urination.
A) testes
B) scrotum
C) penis
D) sperm cell
  • 2. it is composed of smooth muscles that contracts and relaxes to adjust the position of the testes to protect them and keep sperm from overheating and to maintain the below body temperature.
A) scrotum
B) penis
C) vas deferens
D) testes
  • 3. it acts as the passageway of urine and at the same time acts as channel for ejaculation of sperm cells during intercourse.
A) epididymis
B) vas deferens
C) urethra
D) seminal vesicle
  • 4. it is the additional fluids from the seminal vesicle, cowper's gland, and prostate gland that join with the sperm.
A) lubricating mucus
B) urine
C) semen
D) sperm cell
  • 5. it is an exocrine gland that contribute alkaline fluids to the semen.
A) seminal vesicle
B) endocrine gland
C) prostate gland
D) cowper's gland
  • 6. it is a pair of ducts that carries sperm cell to the penis.
A) vas deferens
B) seminal vesicle
C) urethra
D) ejaculatory ducts
  • 7. it is the other term for erectile dysfunction.
A) low sperm count
B) sterility
C) impotence
D) old age
  • 8. it is the part of the sperm that serves as guide to its destination.
A) head
B) fins
C) scale
D) flagellum
  • 9. it is where the mature sperm cells stored.
A) vas deferens
B) epididymis
C) scrotum
D) testes
  • 10. it is a substance that is secreted to regulate physiological activities and maintain homeostasis.
A) hormones
B) estrogen
C) progesterone
D) glands
  • 11. it is a pair of innermost thin skin folds of the female genitalia.
A) clitoris
B) vagina
C) labia minora
D) labia majora
  • 12. what do the immature egg cell called?
A) oocytes
B) leukocytes
C) genocytes
D) egg cells
  • 13. it is the part of the female reproductive organ where sperm cell and egg cell meet for fertilization to happen?
A) uterine wall
B) fallopian tube
C) cervix
D) vagina
  • 14. it is a narrowed region found at the lowest portion of the uterus that opens into the vagina.
A) ovary
B) vaginal opening
C) uterus
D) cervix
  • 15. it is a small organ responsible for sexual stimulation located at the vaginal opening.
A) clitoris
B) labia majora
C) labia minora
D) vagina
  • 16. it signals the development of maturation of the male and female secondary sexual characteristics.
A) puberty
B) ovulation
C) fertilization
D) menstruation
  • 17. it is one of the most important factor in the efficient transfer of sperm cell to the female reproductive system.
A) time of menstruation
B) the fertilization process
C) erection of the penis
D) you must be at legal age
  • 18. it is where the embryo attaches after the fertilization process.
A) fallopian tube
B) uterus
C) cervix
D) ovary
  • 19. it is the most important hormone in male that contributes for the development of the secondary sexual characteristics of males.
A) testosterone
B) androgen
C) progesterone
D) estrogen
  • 20. it is a condition wherein the body is in a stable internal environment.
A) alteration
B) homeostasis
C) positive feedback
D) negative feedback
  • 21. it is the process of the release of the mature ovum from a mature follicle.
A) fertilization
B) ovulation
C) menstruation
D) menopause
  • 22. it is also known as the first menstrual flow.
A) dysmenorrhea
B) amenorrhea
C) menopause
D) menarche
  • 23. all of the following condition may cause amenorrhea except one
A) very low body weight
B) uterine cancer
C) hormonal imbalance
D) anorexia
  • 24. it is athe hormone responsible for the preparation of the uterus for conceiving a child.
A) leutinizing hormone
B) progesterone
C) testosterone
D) Follicle stimulating hormone
  • 25. it produces gametes or egg cells and secrete the male sex hormone.
A) vas deferens
B) scrotum
C) gonads
D) penis
  • 26. it occurs when mature egg cell and sperm cell meets at the fallopian tube.
A) ovulation
B) fertilization
C) cleavage formation
D) menstruation
  • 27. it is an organ that forms during gestation or pregnancy.
A) allantois
B) placenta
C) umbilical cord
D) amnion
  • 28. when did the first heartbeat of a fetus first heard?
A) 5th week
B) 3rd week
C) 6th week
D) 4th week
  • 29. it is the inner lining of the uterus.
A) exocrine gland
B) endometrium
C) uterine wall
D) cervix
  • 30. it is a sac filled with amniotic liquid that encloses the embryo and protect it from dehydration.
A) blastocyst
B) allantois
C) chorion
D) amnion
  • 31. it is a nine-month period of pregnancy.
A) menstruation
B) ovulation
C) fertilization
D) gestation
  • 32. it is a secretion of the mammary gland that looks like a yellowish milk, which rich in calories and fats.
A) colony
B) colostomy
C) colostrum
D) first milk
  • 33. it is a condition in which a female has an irregular menstruation for at least 2 months.
A) menorrhea
B) amenorrhea
C) premenstrual symptoms
D) menorrgahia
  • 34. it is a contion of a heavy or prolonged period of menstruation.
A) amenorrhea
B) menorrhagia
C) menorrhea
D) premenstrual symptoms
  • 35. it is a condition in which a female suffers from severe pain before/during menstruation.
A) dysmenorrhea
B) menorrhea
C) menorrhagia
D) amenorrhea
  • 36. It is the basic physical and functional unit of heredity.
A) variation
B) traits
C) heredity
D) genes
  • 37. it is the process of passing of traits from parents to their offspring.
A) variation
B) traits
C) genes
D) heredity
  • 38. it is a branch of science that deals with the study of heredity.
A) physics
B) genetics
C) DNA
D) variation
  • 39. it is the process by which sex cells divide and shuffle their genetic materials
A) mitosis
B) cell division
C) meiosis
D) variation
  • 40. if an x-bearing sperm fertilize an egg, the result will be?
A) tomboy
B) girl
C) boy
D) bakla
  • 41. observable physical properties of an organism.
A) phenotype
B) heterozygous
C) variation
D) homozygous
  • 42. it is defined as the alterations of the nucleotide of DNA sequence.
A) ionizing radiation
B) protein synthesis
C) gene mutation
D) deletion
  • 43. it is an inherited disorder that causes the progressive breakdown of the nerve cell in the brain causing mental decline and behavioral symptoms
A) cystic fibrosis
B) huntington disease
C) hemophilia
D) tay-sachs disease
  • 44. It is the permanent change of DNA sequence due to some environmental factor such as exposure to chemicals
A) mutation
B) radiation
C) variation
D) sequencing
  • 45. An individual is said to be ______ if the alleles for traits are identical or the same.
A) complete
B) dominant
C) recessive
D) incomplete
  • 46. An individual is said to be ______ if the alleles for traits are different for a particular gene.
A) dominant
B) incomplete
C) recessive
D) complete
  • 47. A gene with more than two alleles
A) homozygous
B) HETEROZYGOUS
C) recessive
D) dominant
  • 48. True or False: all living things have the ability to reproduce in order to perpetuate their own kind.
A) all of the above
B) true
C) none of the above
D) false
  • 49. It is the process by which sex cells divide and shuffle their genetic materials
A) ALLELES
B) MEIOSIS
C) DNA
D) PHENOTYPE
  • 50. explain the process/ stages of gestation from the first trimester to 3rd trimester. (12points))
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