Chapter 11 : Reproductive System - Frank Solutions for Class 10 Biology ICSE
Biology is one of the crucial subjects in ICSE Class 10. ICSE Class 10 Biology speaks about the cell as the basic unit of life, genes, and evolution and deals with how living organisms interact with the environment, including the behavior of living beings. TopperLearning is one of the premier online platforms which helps students of ICSE Class 10 to study various concepts in Biology.
Chapter 11 - Reproductive System Excercise 141
(i) Organ producing sperms.
(ii) Organ producing ovum.
(iii) Organ where implantation takes place.
(iv) Organ where fertilization occurs.
(v) Fusion of sperm and ovum.
(vi) Virgin birth
(vii) Male and Female organs on specific individuals.
(vii) Testes and ovaries
(i) Male copulatory organ ______. (clitoris, penis, vulva)
(ii) Female copulatory organ ______. (vulva, vagina, penis)
(iii) Fertilization occurs in ______. (uterus, oviduct, ovary)
(iv) Menstrual flow is a character is the feature of ______. (male, female, bulb)
(v) Sterilization in female is due to cutting off of ______. (ovary, uterus, oviduct)
(i) Ovary (ii) Fallopian tube (iii) Uterus
(iv) Vagina (v) Testes (vi) Penis
(ii) Fallopian tube: To transport eggs from ovary to uterus and it a site of fertilization.
(iii) Uterus: To protect and provide nutrients for the developing embryo.
(iv) Vagina: To receive the seminal fluid.
(v) Testes: To produce sperms and male sex hormone i.e. testosterone.
(vi) Penis: deposition of semen into the female's vagina.
(i) Parthenogenesis (ii) Asexual reproduction
(iii) Sexual reproduction (iv) Dioceious
(v) Monoceious (vi) Clone
(ii) Asexual reproduction: It is the type of reproduction in which the offspring are formed without the production of gametes.
(iii) Sexual reproduction: It is the type of reproduction in which the offspring are formed after the fusion of gametes.
(iv) Dioceious: It is the individual / organism having male and female reproductive organs in separate individuals.
(v) Monoecious: It is the individual / organism having male and female reproductive organs in the same individual.
(vi) Clone: It is a group of genetically identical cells or organisms asexually descended from a common ancestor.
(i) Parturition (ii) Ovulation
(iii) Spermatogenesis (iv) Gestation
(ii) Ovulation: The process of release of an egg from the ovary is called ovulation.
(iii) Spermatogenesis: The production and development of sperms is called spermatogenesis.
(iv) Gestation: The period in which an embryo develops in the uterus is called gestation.
(v) Implantation: The attachment of developing zygote to the uterine wall is called implantation.
Chapter 11 - Reproductive System Excercise 142
(iii) Ovulation is the process of releasing of egg from the ovary.
(iv) The hormones secreted by the ovary are: oestrogen and progesterone.
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
5. Seminal vesicle
8. Vas deferens
10. Left testis
14. Vascular erectile tissue
16. Muscular wall of abdomen
(ii) The two functions of part 6 are :
(a) Prostate gland secretes an alkaline milky secretion into semen that aids in sperm motility.
(b) Cowper's gland also secretes a lubricant.
(iii) The three components of urine are urea, uric acid, amino acids, glucose, sodium, potassium, vitamins etc.
(iv) The main function of the part labelled 3 is backbone. Its function is to give support, movement and protection to the spinal cord.
(ii) What happens to uterus if fertilization takes place? And what happens to uterus if fertilization does not take place?
(i) The parts of the ovary containing mature ovum.
(ii) Two accessory glands in the male reproductive system.
(iii) The organ of female in which the foetus develops.
(iv) The separation of the foetus from the mother's body.
(v) The part of the female reproductive system in which fertilization occurs.
(ii) Seminal vesicles and prostate gland
Chapter 11 - Reproductive System Excercise 143
(i) Name the parts numbered 1 to 14.
(ii) Normally, after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What is the role of sperms after their ejaculation in vagina?
(v) What is the function of the organ numbered 5?
(vi) What is the gestation period in human?
2. Funnel like opening
10. Front of pelvis
12. Muscular uterine wall
13. Muscular wall of abdomen
(ii) Normally, after 28 days an ovary releases an egg.
(iii) During coitus, sperm are released in the vagina.
(iv) After ejaculation in vagina, sperms undergo fertilization where it fuses with an ovum of female to form zygote.
(v) The function of sacrum is to protect the pelvic organs or reproductive organs of female.
(vi) The gestation period in human is 280 days.
(i) Fertilization occurs in the vagina.
(ii) Gestation in humans is completed in about 380 days.
(iii) Oviducts and fallopian tubes are one and the same thing.
(iv) One egg is released from each of the two ovaries every month.
(v) The vagina is a muscular tube.
Pregnancy in women can be prevented by the method of vasectomy. (True/False)
Pregnancy in women can be prevented by the method of tubectomy.
(i) The onset of reproductive phase in a young female.
(ii) The rupture of follicle and release of ovum from the ovary.
(iii) The monthly discharge of blood and disintegrated uterine tissues in human female.
(iv) The process of fusion of ovum and sperm.
(v) The attachment of developing zygote (blastocyst) on the uterine wall.
(i) The aim of sexual reproduction
(a) over production (b) continuity of race
(c) low production (d) none
(ii) Binary fission is a method of
(a) parthenogenesis (b) asexual reproduction.
(c) sexual reproduction (d) none
(iii) Ovum is a
(a) male gamete (b) female gamete
(c) a chemical (d) a fibre
(iv) Virgin birth is called
(a) Sexual Reproduction (b) Asexual Reproduction
(c) Parthenogenesis (d) Abiogenesis
(v) Cervix is a part of
(a) ovary (b) vagina
(c) uterus (d) oviduct
(vi) Removal of testes is called
(a) regeneration (b) reproduction
(c) castration(d) none
(vii) Fertilization occurs in
(a) uterus (b) oviduct
(c) ovary (d) vagina
(viii) Secondary sexual characters appear in
(a) foetus (b) childhood
(c) puberty (d) adulthood
(ix) The onset of menstruation in the female is termed
(a) ovulation (b) menarche
(c) menopause (d) parthenogenesis
(x) Temperature of scrotum is
(a)20C above body temperature (b) same as body temperature
(c) 20-30C below the body temperature (d) none of the above
(xi) First menstrual cycle is known as
(a) menopause (b) amenorrhoea
(c) puberty (d) Menarche
(xii) When pregnancy does not occur, the life of corpus luteum is about
(a) 4 days (b) 10 days
(c) 14 days (d) 28 days
(ii) (b) asexual reproduction
(iii) (b) female gamete
(iv) (c) Parthenogenesis
(v) (b) vagina
(vi) (c ) castration
(vii) (b) oviduct
(viii) (c ) puberty
(ix) (b) menarche
(x) (c ) 20-30C below the body temperature
(xi) (d) menarche
(xii) (b) 10 days
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