8th Class Science Reproduction in Animals Question Bank

done Reproduction and Endocrine System Total Questions - 20

• question_answer1)
  Which of the following is a correct sequence of events that occur in human reproduction?
  A)
  Gametogenesis \[\to \] Gestation \[\to \] Insemination \[\to \] Fertilisation \[\to \] Implantation \[\to \] Parturition done clear
  B)
  Gametogenesis \[\to \] Insemination \[\to \] Fertilisation \[\to \] Implantation \[\to \] Gestation \[\to \] Parturition done clear
  C)
  Gametogenesis \[\to \] Insemination \[\to \] Gestation \[\to \] Fertilisation \[\to \] Implantation \[\to \] Parturition done clear
  D)
  Gestation \[\to \] Gametogenesis \[\to \] Insemination \[\to \] Implantation \[\to \] Fertilisation \[\to \] Parturition done clear
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• question_answer2)
  Refer to the given figure and select the incorrect statement regarding this.
  A)
  P represents the human male gamete which consists of head, middle-piece and tail. done clear
  B)
  Q represents the human female gamete which is a single cell. done clear
  C)
  The process shown in the figure is fertilisation. done clear
  D)
  The resulting structure formed after the shown process is fetus. done clear
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• question_answer3)
  Which of the following is a mismatched pair? Endocrine gland     Hormone
  A)
  Ovaries                        -           Estrogen done clear
  B)
  Testes              -           Testosterone done clear
  C)
  Pancreas          -           Calcitonin done clear
  D)
  Adrenal glands -           Adrenaline done clear
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• question_answer4)
  Pick the odd one out from each series given below and select the correct option.

  (i)  Scrotum, Epididymis, Seminal vesicle, Fallopian tube

  (ii) Uterus, Cervix, Vagina, Testis

  (iii) Cow, Dog, Cat, Sparrow

  A)

  (i)	(ii)	(iii)
  Fallopian tube	Testis	Sparrow

    done clear
  B)

  (i)	(ii)	(iii)
  Epididymis	Cervix	Dog

  done clear
  C)

  (i)	(ii)	(iii)
  Scrotum	Vagina	Cow

  done clear
  D)

  (i)	(ii)	(iii)
  Seminal vesicle	Uterus	Cat

  done clear
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• question_answer5)
  Read the given statements.

  (i)  IVF is a treatment for infertility when a woman is able to produce ovum however, problems of the Fallopian tube make fertilisation difficult.

  (ii) Asexual reproduction is a rapid and easier method of multiplication.

  (iii) Unicellular organisms reproducing by binary fission are referred to as 'immortals' because actual death of the parent does not occur.

  (iv) Metamorphosis is the transformation of an adult animal to larval form.

  Which of the given statements are correct?
  A)
  (ii) and (iv) only done clear
  B)
  (ii), (iii) and (iv) only done clear
  C)
  (i), (ii) and (iii) only done clear
  D)
  (i), (ii), (iii) and (iv) done clear
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• question_answer6)
  Refer to the given figure and select the labelled part where implantation of fertilised ovum takes place.
  A)
  P          done clear
  B)
                     Q         done clear
  C)
  R                                  done clear
  D)
  S done clear
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• question_answer7)

  Thyroxine controls ____ in frogs and the development of ___ during embryonic development of other vertebrates. Thyroxine production requires the presence of ____ in diet.

  Select the correct sequence of words to complete the above passage.

   
  A)
  Development, Circulatory system, Iodine done clear
  B)
  Metamorphosis, Circulatory system, Calcium done clear
  C)
  Development, Nervous system, Iron done clear
  D)
  Metamorphosis, Nervous system, Iodine done clear
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• question_answer8)
  Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

  (i)  Reproductive life of woman lasts from menarche to menopause.

  (ii) In females, the uterus wall thickens to receive the embryo.

  (iii) Estrogen is released by testes at the onset of puberty.

  (iv) Hormones secreted by adrenal glands stimulate testes and ovaries to produce their hormones.

   
  A)

  (i)	(ii)	(iii)	(iv)
  T	F	T	F

    done clear
  B)

  (i)	(ii)	(iii)	(iv)
  T	F	F	F

    done clear
  C)

  (i)	(ii)	(iii)	(iv)
  T	T	F	F

    done clear
  D)

  (i)	(ii)	(iii)	(iv)
  T	T	F	T

    done clear
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• question_answer9)
   

  The given figure represents the location of various endocrine glands in human body.

  Identify the glands marked as P, Q, R, S and T and select the incorrect statement regarding these.  
  A)
  Gland P secretes the hormone thyroxine, which regulates growth and metabolism. done clear
  B)
  Gland Q secretes the hormones corticosteroids and adrenaline, which regulate breathing, heart rate, carbohydrate metabolism and mineral balance. done clear
  C)
  Glands S and T secrete the hormones which control secondary sexual characters in females and males respectively. done clear
  D)
  Gland R secretes the hormone insulin, whose increased concentration leads to diabetes. done clear
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• question_answer10)
  Read the given statements and select the correct option.

  Statement 1: In human male, testes lie outside the abdominal cavity in a thin pouch called scrotum.

  Statement 2: Scrotum helps in maintaining the low temperature of the testes necessary for spermatogenesis.

  A)
  Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. done clear
  B)
  Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. done clear
  C)
  Statement 1 is true but statement 2 is false. done clear
  D)
  Both statements 1 and 2 are false. done clear
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• question_answer11)
  Which of the following statements are incorrect regarding a test tube baby?

  (i)  It is developed wholly in a test tube.

  (ii) It is developed through tissue culture method.

  (iii) The ovum is fertilised externally and thereafter implanted in the uterus.

  (iv) It develops from an unfertilised egg.

  A)
  (i) and (iv) only done clear
  B)
  (ii) and (iv) only done clear
  C)
  (i) and (iii) only done clear
  D)
  (i), (ii) and (iv) only done clear
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• question_answer12)
  Feeling the tremors of an earthquake, a scared resident of thirteenth floor of a multistoreyed building starts climbing down the stairs rapidly. Which hormone initiated this action?
  A)
  Oxytocin          done clear
  B)
         Thyroxine        done clear
  C)
  Adrenaline                   done clear
  D)
  Progesterone done clear
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• question_answer13)
  Which of the following is correct about the part labelled X?
  A)
  It gives protection to the penis. done clear
  B)
  It is a structure that produces sperms. done clear
  C)
  It is a narrow duct that acts as a passage for urine only. done clear
  D)
  It is a narrow duct that acts as a passage for both urine and sperms. done clear
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• question_answer14)
  Which of the following statements is incorrect regarding the female reproductive system?
  A)
  If the ovum released from the ovaries is not fertilised, then it is shed along with blood during menstruation. done clear
  B)
  Menopause occurs in the females at an age of 45-50 years. done clear
  C)
  Vagina of female reproductive system is a primary sex organ. done clear
  D)
  Development of breasts in females is the accessory sex character. done clear
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• question_answer15)
  Which of the following organisms undergo metamorphosis?

  (i)  Silk moth	(ii) Snake
  (iii) Frog	(iv) Hen
  (v) Butterfly	(vi) Human
  (vii) Cat	(viii) Cockroach
  (ix) Whale	(x) Dog

  A)
  (i), (ii), (iii), (v) and (x) only done clear
  B)
  (i), (iii), (v) and (viii) only done clear
  C)
  (ii), (iii), (iv) and (v) only done clear
  D)
  (iv), (vi), (vii) and (ix) only done clear
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• question_answer16)

  Read the given paragraph, where few words have been italicised.

  The pineal gland secretes a hormone progesterone which helps to regulate sleep pattern. Thyroid glands release hormone which regulate the level of calcium in the blood with the help of calcitonin which is produced in the parathyroid glands.

  Select the correct option regarding the given paragraph.

  (i)  Positions of pineal and parathyroid should be interchanged.

  (ii) Progesterone should be replaced by melatonin.

  (iii) Parathyroid should not be replaced as it is correctly mentioned.

  (iv) Positions of progesterone and calcitonin should be interchanged.

  (v) Positions of thyroid and parathyroid should be interchanged.

   
  A)
  (ii) and (v) only done clear
  B)
  (i), (ii) and (v) only done clear
  C)
  (i) and (iii) only done clear
  D)
  (ii) and (iv) only done clear
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• question_answer17)
  Match column I (Gland) with column II (Hormone secreted) and column III (Function/Action) and select the correct option from the codes given below.

  	Column I		Column II		Column III
  (a)	Pituitary	(i)	Adrenaline	(p)	It control the activities of the other glands
  (b)	Thyroid	(ii)	Growth hormone	(Q)	It prepares the body to fight or run fast when needed.
  (c)	Adrenal gland	(iii)	Thyroxine	(R)	It control the female secondary sexual characteristics.
  (d)	Pancrease	(iv)	(insulin	(S)	It regulates the metabolic rate and growth.
  (e)	Ovary	(v)	Testosterone	(T)	It regulates sugar metabolism
  (f)	Testis	(vi)	Estrogen	(U)	It controls the male secondary sexual characteristics.

   
  A)

  (a)-(ii)-(P);

  (b)-(iii)-(S);

  (c)-(i)-(Q);

  (d)-(iv)-(T);

  (e)-(vi)-(R);

  (f)-(v)-(U)

    done clear
  B)

  (a)-(iv)-(P);

  (b)-(iii)-(S);

  (c)-(i)-(Q);

  (d)-(ii)-(T);

  (e)-(vi)-(R);

  (f)-(v)-(U)

    done clear
  C)

  (a)-(ii)-(S);

  (b)-(i)-(P);

  (c)-(iii)-(Q);

  (d)-(iv)-(T);

  (e)-(v)-(R);

  (f)-(vi)-(U)

  done clear
  D)

  (a)-(ii)-(P);

  (b)-(iii)-(Q);

  (c)-(i)-(R);

  (d)-(v)-(S);

  (e)-(iv)-(T);

  (f)-(vi)-(U)

  done clear
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• question_answer18)

  Refer to the given figures, P and Q.

  How do reproductive cells produced in P differ from those produced in Q in terms of production and their modes of storage?

     
  A)
  Mature cells of P can get stored for longer periods in reproductive tract whereas in Q, only immature cells remain stored. done clear
  B)
  P produces fewer reproductive cells than Q does. done clear
  C)
  Reproductive cells produced by P do not show motility. done clear
  D)
  Q produces reproductive cells for a longer period in an individual's life span than P does. done clear
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• question_answer19)
  Read the following statements and select the correct option.

  (i) A daughter receives X-chromosome from her mother only.

  (ii) Human beings possess 22 pairs of autosomes and 1 pair of sex chromosomes.

  (iii) In mammals, embryo develops outside the mother's body.

  (iv) A new human individual develops from a cell called gamete.

  (v) Pituitary gland produces thyroid-stimulating hormone (TSH), which stimulates the thyroid to produce thyroxine.

  (vi) A zygote is formed as a result of fertilisation.

  A)
  Statements (i), (iii) and (iv) are incorrect, while statements (ii), (v) and (vi) are correct. done clear
  B)
  Statements (i) and (iii) are incorrect while statements (ii), (iv), (v) and (vi) are correct. done clear
  C)
  Statements (iii) and (iv) are incorrect, while statements (i), (ii), (v) and (vi) are correct. done clear
  D)
  Statements (iii) and (v) are incorrect, while statements (i), (ii), (iv) and (vi) are correct. done clear
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• question_answer20)
  Refer to the given figure. Identify the labelled parts (P - S) and select the correct option.
  A)

  P	Q	R	S
  Site of gamete production	Site of fertilisation	Site of embryo development	Passage of sperm

                  done clear
  B)

  P	Q	R	S
  Site of gamete production	Passage of sperm	Site of embryo development	Site of fertilisation

                  done clear
  C)

  P	Q	R	S
  Site of embryo development	Sita of gamete production	Site of fertilisation	Passage of sperm

                  done clear
  D)

  P	Q	R	S
  Site of fertilisation	Site of gamete production	Site of embryo development	Passage of sperm

    done clear
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