Reproduction in lower and higher Animals MCQ with Answers
- Reproduction is an important characteristic of living organismns. It is the process by which an organ ism produces young individuals of its own species. Thus, maintains the conlinuity of the species.
- Animals may reproduce by asexual and sexual methods.
- Asexual reproduction takes place by budding, by fission.
- In sexual reproduction, gameles or sex cells from two animals of different sex unite to produce Zygote whose repeated mitosis form a multicellular embryo.
- Bisexual animals have both the gonads in the same individual. Unisexual animals belong to two sexes, the male carrying only testes and the female possessng only ovaries.
- As feeding is essential for survival of any living organism the reproduction is essential for survival of the species.
- In human beings the reproduction is of sexual type which involves fiusion of gametes Human being is a dioecious organismn so these are separate male and female individuals showing sexual dimorphism.
Reproduction in Lower and Higher Animals MCQ:
Answer : a
2. Which of these is the male reproductive organ in human?
b. seminal fluid
Answer : c.
3. Attachment of embryo to the wall of the uterus is known as_____________
Answer : d
4. Rupturing of follicles and discharge of ova is known as___________
Answer : c
5. In human female, the fertilized egg gets implanted in uterus____________
a. After about 7 days of fertilization
c. After about two months of fertilization
Answer : a
6. Test tube baby technique is called_________
a. In vivo fertilization
b. In situ fertilization
c. In vitro fertilization
d. Artificial insemination
Answer : c ( In vitro fertilization )
7. The given figure shows a human sperm. Various parts of it are labelled as A, B, C, and D .Which labelled part represents acrosome?
Answer : d
- A denotes for Acrosome
- B denotes for Nucleus
- C denotes for centriole
- D denotes for Mitochondria
8. Presence of beard in boys is a____________
Important MCQ on Reproduction in lower and higher Animals with Answers:
(a) Estrogen and inhibin
(b) Progesterone only
(c) Progesterone and inhibin
(d) Estrogen and progesterone.
Answer : D
2. Which of the following layers in an antral follicle is acellular?
(b) Theca interna
(d) Zona pellucida
3. What is the correct sequence of sperm formation?
(a) Spermatogonia, spermatozoa, spermatocyte, Spermatid
(b) Spermatogonia, spermatocyte, spermatid, spermatozoa
(c) Spermatid, spermatocyte,
(d) Spermatogonia, spermatocyte, spermatozoa, spermatid
4. The shared terminal duct of the reproductive and urinary system in the human male is__________
(c) Vas deferens
(d) Vasa efferentia
5. A temporary endocrine gland in the human body is________
(a) Pineal gland
(b) Corpus luteum
(c) Corpus cardiacum
(d) Corpus allatum
6. Capacitation occurs in________
(a) Rete testis
(c) Vas deferens
(d) Female reproductive tract
7. Several hormones like hCG, hPL, oestrogen,cprogesterone are produced by____________
(c) Fallopian tube
8. Fertilization in humans is practically feasible only with__________
(a) The Ovum and sperms are transporte
Simultaneously to ampullary – isthmic junction of the fallopian tube
(b) The ovum and sperms are transported Smultaneously to ampullary – isthimic junction of the cervix.
(c) The sperms are transported into cervix within 48 hours of release to ovum in uterus.
(d) The sperms are transported into vagina just after the release of ovum in fallopian tube.
9. Which of these is not an important componernt or initiation of parturition in humans?
(a) Increase in estrogen and progesterone ratio
(b) Synthesis of prostaglandins
(c) Release of oxytocin
(d) Release of Prolactin
10. Which of the following events is not associated with ovulation in human female?
(a) Decrease in oestradiol
(b) Full development of Graafian follicle
(c) Release of secondary oocyte
(d) LH surge
11. Select the correct option describing gonadotropin activity in a normal pregnant female_________
(a) High level of FSH and LH stimulates the thickening of endometrium.
(b) High level of FSH and LH facilitate implantation of the embryo
(c) High level of hCG stimulates the synthesis of estrogen and progesterone
(d) High level of hCG stimulates the thickening of endometrium
12. The main function of mammalian corpus luteum is to produce________
(a) Estrogen only
(c) Human chorionic gonadotropin
(d) Relaxin only
13. Menstrual flow occurs due to lack of________
14. Which one of the following is not the function of placenta?
(a) Facilitates removal of carbon dioxide and waste material from embryo
(b) Secretes oxytocin during parturition
(c) Facilitates supply of oxygen and nutrients to embryo
15. Which of the following is a hormone releasing intra uterine device________
(a) Multiload 375
(b) Cervical cap
(c) LNG 20
16. Tubectomy is a method of sterilization in which__________
(a) Small part of vas deferens is removed or tied up
(b) Uterus is removed surgically
(c) Small part of the fallopian tube is removed and tied up
(d) Ovaries are removed surgically
17. One of the legal methods of birth control is________
(a) By having coitus at the time of the day break
(b) By a premature ejaculation during coitus
(c) Abortion by taking an appropriate medicine
(d) By abstaining from coitus from day 10 to 17 of the menstrual cycle
18. Which of the following cannot be detected in a developing foetus by amniocentesis?
(a) Down’s syndrome
(c) Klinefelter’s syndrome
(d) Sex of the foetus
19. Clitoris in human female is homologous to……….. In male.
(b) Cowper’s gland
(d) prostate gland
Answer : A
20. Hydra reproduces by which type of Reproduction_________
(d) longitudinal binary fission
21. In asexual reproduction__________
(a) Gametes are formed
(b) Gametes are fused
(c) mitotic cell division takes place
(d) meiotic cell division takes place
22. In man maturation of sperm takes place at temperature__________(a) lower than that of body
(b) higher than that of body
(c) equal to that of body
(d) no condition of temperature
23. Bacterium, Treponema pallidum causes__________
(c) molluscum contagiosum
(d) herpes genitalis
24. The testes are held in scrotum by_______
(b) spermatic chord
(c) inguinal duct
(d) connective tissúe chord