8th Class Science Reproduction in Animals Question Bank

done Reproduction and Adolescence Total Questions - 40

• question_answer1)
  Which of the following is a mode of asexual reproduction?
  A)
  Budding done clear
  B)
                     Fragmentation done clear
  C)
  Binary fission                 done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  Which of the following reproduces by vegetative propagation?
  A)
  Fungi                 done clear
  B)
  Kalanchoe done clear
  C)
  Bacteria             done clear
  D)
  Hydra done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer3)
  Fragmentation is observed in:
  A)
  Bryophyllum                  done clear
  B)
  Kalanchoe done clear
  C)
  Hydra               done clear
  D)
  Lichen done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer4)
  The process which ensures continuity of life on earth is:
  A)
  Hydrolysis                      done clear
  B)
  Reproduction done clear
  C)
  Digestion                        done clear
  D)
  Excretion done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer5)
  Match the following:

  Column A		Column B
  (i)	Amoeba	[A]	Budding
  (ii)	Hydra	[B]	Sexual reproduction
  (iii)	Bryophyllum	[C]	Vegetative propagation
  (iv)	Birds	[D]	Binary fission

  A)
  (i - D), (ii - C), (iii - A), (iv - B)      done clear
  B)
  (i - D), (ii - A), (iii - C), (iv - B) done clear
  C)
  (i - A), (ii - D), (iii - C), (iv - B)      done clear
  D)
  (i - C), (ii - A), (iii - D), (iv - B) done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  Frog lays hundreds of eggs at a time in water because:
  A)
  It increases the chances of survival. done clear
  B)
  Eggs are brown in colour. done clear
  C)
  Frogs can reproduce only once in their life. done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer7)
  Real reproductive organ in females is:
  A)
  Vagina              done clear
  B)
  Cervix done clear
  C)
  Ovary   done clear
  D)
  estes done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  Which one of the following statements is correct about reproduction humans?
  A)
  Fertilisation takes place externally. done clear
  B)
  Fertilisation takes place asexually. done clear
  C)
  Fertilisation takes place internally. done clear
  D)
  Fertilisation takes place through fragmentation. done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer9)
  Which of the following sequence is correct for the events during reproduction?
  A)
  Zygote \[\to \] Embryo \[\to \] Foetus \[\to \] Baby animal done clear
  B)
  Embryo \[\to \] Zygote \[\to \] Foetus \[\to \] Baby animal done clear
  C)
  Zygote \[\to \] Foetus \[\to \] Embryo \[\to \] Baby animal done clear
  D)
  Baby animal \[\to \] Zygote \[\to \] Foetus \[\to \] Embryo done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer10)
  Small bag of skin in which testes are enclosed is:
  A)
  Penis                 done clear
  B)
  Scrotal sac done clear
  C)
  Vas deferens                   done clear
  D)
  Bladder done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer11)
  ____ is the resulting cell which gives rise to a new individual after fertilisation.
  A)
  Embryo             done clear
  B)
  Foetus done clear
  C)
  Zygote   done clear
  D)
  Ova done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer12)
  After formation of sperms in testes, sperms are stored temporarily in:
  A)
  Bladder             done clear
  B)
  Penis done clear
  C)
  Epididymis         done clear
  D)
  Scrotal sac done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer13)
  Eggs of frog are protected by:
  A)
  Scrotal sac                     done clear
  B)
  Hard shell  done clear
  C)
  Layer of jelly done clear
  D)
  Sperms done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer14)
  When embryo gets embedded in the lining of the uterus, it is said to be:
  A)
  Fertilisation                    done clear
  B)
  Implantation done clear
  C)
  Reproductive                  done clear
  D)
  Ovulation done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer15)
  Which one of the following is not viviparous?
  A)
  Cow                              done clear
  B)
  Hen done clear
  C)
  Human              done clear
  D)
  Dog done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer16)
  Which of the following statements is correct?
  A)
  Frog lives only in water. done clear
  B)
  The breathing organ of the frog throughout their lifecycle is lungs. done clear
  C)
  Sexual reproduction takes place in frogs. done clear
  D)
  Frogs do not show metamorphosis. done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer17)
  Male gametes in human beings are:
  A)
  Ovum               done clear
  B)
  Sperms done clear
  C)
  Testis                done clear
  D)
  Ovaries done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer18)
  Choose the correct option for labelling the given figure.
  A)
  a - vagina, b - uterus, c - fallopian tube, d ? ovary done clear
  B)
  a - uterus, b - ovary, c - fallopian tube, d ? vagina done clear
  C)
  a - fallopian tube, b - ovary, c - vagina, d ? uterus done clear
  D)
  a - fallopian tube, b - ovary, c - uterus, d ? vagina done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer19)
  Fertilisation of egg with sperm in humans takes place in:
  A)
  Ovaries              done clear
  B)
  Oviduct done clear
  C)
  Cervix               done clear
  D)
  Vagina done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer20)
  Cells which are involved in sexual reproduction are called:
  A)
  Offsprings                      done clear
  B)
  Young ones done clear
  C)
  Gametes            done clear
  D)
  Buds done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer21)
  A bulb like projection grown on hydra is known as:
  A)
  Gamete             done clear
  B)
  Bud done clear
  C)
  Villi                               done clear
  D)
  Spore done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer22)
  Which one among the following is a hermaphrodite?
  A)
  Dog                               done clear
  B)
  Cat done clear
  C)
  Earthworm         done clear
  D)
  Frog done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer23)
  ____ reproduces by splitting into two.
  A)
  Mosquito                       done clear
  B)
  Frog done clear
  C)
  Amoeba done clear
  D)
  Butterfly done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  Presence of which mineral in water helps in metamorphosis of frog?
  A)
  Potassium                      done clear
  B)
  Sodium done clear
  C)
  Iodine    done clear
  D)
  Iron done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer25)
  Ductless glands are also known as;
  A)
  Exocrine glands done clear
  B)
         Endocrine glands done clear
  C)
  Target sites                     done clear
  D)
  Pubic glands done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer26)
  Chemical substances which co-ordinate the activities of living organisms and their growth?
  A)
  Endocrine glands done clear
  B)
  Nutrition done clear
  C)
  Hormones          done clear
  D)
  Chromosomes done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer27)
  Which one of the following is not an endocrine gland?
  A)
  Pituitary gland    done clear
  B)
  Sweat gland done clear
  C)
  Thyroid gland done clear
  D)
         Adrenal gland done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer28)
  Choose the correct sequence of sperm movement in human body.
  A)
  Epididymis \[\to \] Vas deferens \[\to \] Urethra \[\to \] Penis done clear
  B)
  Epididymis \[\to \] Vas deferens \[\to \] Urethra \[\to \] Penis done clear
  C)
  Epididymis \[\to \] Urethra \[\to \] Vas deferens \[\to \] Penis done clear
  D)
  Penis \[\to \] Urethra \[\to \] Epididymis \[\to \] Penis done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer29)
  Which of the following statements is incorrect?
  A)
  Exocrine glands are the glands having ducts. done clear
  B)
  Endocrine glands are ductless glands. done clear
  C)
  Hormones are secreted by endocrine glands. done clear
  D)
  All the above done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer30)
  The main changes that occurs in girls during puberty are: (i) Development of Adam's apple. (ii) Development of shrill voice. (iii) Production of testosterone increases. (iv) Hips become broaden and become more curved.
  A)
  (i) and (ii)                       done clear
  B)
  (ii) and (iii) done clear
  C)
  (ii) and (iv)                     done clear
  D)
  (iii) and (iv) done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer31)
  Match the following:

  Column A		Column B
  (i)	Estrogen	[A]	Exocrine gland
  (ii)	Testosterone	[B]	Pancreas
  (iii)	Saliva	[C]	Testes
  (iv)	Insulin	[D]	Ovaries

  A)
  (i - B), (ii - C), (iii - D), (iv - A) done clear
  B)
  (i - D), (ii - C), (iii - A), (iv - B) done clear
  C)
  (i - D), (ii - A), (iii - B), (iv - C) done clear
  D)
  (i - C), (ii - B), (iii - D), (iv - A) done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer32)
  The first occurrence of monthly period at puberty is called:
  A)
  Menstruation                  done clear
  B)
  Menopause done clear
  C)
  Menarche           done clear
  D)
  Metamorphosis done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer33)
  _____ hormone is also known as emergency hormone.
  A)
  Growth              done clear
  B)
  Adrenaline done clear
  C)
  Aldosterone                    done clear
  D)
  Insulin done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  Deficiency of which hormone causes goitre?
  A)
  Adrenaline                     done clear
  B)
  Thyroxine done clear
  C)
  Insulin               done clear
  D)
  Testosterone done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  Sex of a baby can be determined by _____ present in a cell.
  A)
  Mitochondria                  done clear
  B)
  Nucleoplasm done clear
  C)
  Chromosome      done clear
  D)
         Cytoplasm done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  The changes occur in body during adolescence mark the onset of :
  A)
  Post adolescence done clear
  B)
  Puberty done clear
  C)
  Ageing               done clear
  D)
  Prematurity done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer37)
  Name the hormone which prepares the endometrium for potential implantation of an embryo.
  A)
  Thyroxin                        done clear
  B)
  Testosterone done clear
  C)
  Progesterone done clear
  D)
  Insulin done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer38)
  Which one of the following female hormone helps in the development of mammary gland?
  A)
  Thyroxin done clear
  B)
                     Estrogen done clear
  C)
  Insulin               done clear
  D)
  Testosterone done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  The pituitary gland is located _____.
  A)
  In the stomach done clear
  B)
  Near the sex organs done clear
  C)
  Above the kidneys           done clear
  D)
  At the base of the brain done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer40)
  Hormone which controls metamorphosis in frogs is:
  A)
  Adrenaline                     done clear
  B)
  Testosterone done clear
  C)
  Growth hormone done clear
  D)
         Thyroxin done clear
  E)
  None of these done clear
  View Solution play_arrow