question_answer 1)
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_answer 2)
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
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question_answer 3)
Which of the following is a mismatched pair? Endocrine gland Hormone
A)
Ovaries - Estrogen done
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B)
Testes - Testosterone done
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C)
Pancreas - Calcitonin done
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D)
Adrenal glands - Adrenaline done
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question_answer 4)
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)
B)
C)
D)
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question_answer 5)
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
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B)
(ii), (iii) and (iv) only done
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C)
(i), (ii) and (iii) only done
clear
D)
(i), (ii), (iii) and (iv) done
clear
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question_answer 6)
Refer to the given figure and select the labelled part where implantation of fertilised ovum takes place.
A)
P done
clear
B)
Q done
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C)
R done
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D)
S done
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question_answer 7)
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
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B)
Metamorphosis, Circulatory system, Calcium done
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C)
Development, Nervous system, Iron done
clear
D)
Metamorphosis, Nervous system, Iodine done
clear
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question_answer 8)
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)
B)
C)
D)
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question_answer 9)
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
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B)
Gland Q secretes the hormones corticosteroids and adrenaline, which regulate breathing, heart rate, carbohydrate metabolism and mineral balance. done
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C)
Glands S and T secrete the hormones which control secondary sexual characters in females and males respectively. done
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D)
Gland R secretes the hormone insulin, whose increased concentration leads to diabetes. done
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question_answer 10)
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
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B)
Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. done
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C)
Statement 1 is true but statement 2 is false. done
clear
D)
Both statements 1 and 2 are false. done
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question_answer 11)
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_answer 12)
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
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B)
Thyroxine done
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C)
Adrenaline done
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D)
Progesterone done
clear
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question_answer 13)
Which of the following is correct about the part labelled X?
A)
It gives protection to the penis. done
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B)
It is a structure that produces sperms. done
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C)
It is a narrow duct that acts as a passage for urine only. done
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D)
It is a narrow duct that acts as a passage for both urine and sperms. done
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question_answer 14)
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
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B)
Menopause occurs in the females at an age of 45-50 years. done
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C)
Vagina of female reproductive system is a primary sex organ. done
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D)
Development of breasts in females is the accessory sex character. done
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question_answer 15)
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
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B)
(i), (iii), (v) and (viii) only done
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C)
(ii), (iii), (iv) and (v) only done
clear
D)
(iv), (vi), (vii) and (ix) only done
clear
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question_answer 16)
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
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B)
(i), (ii) and (v) only done
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C)
(i) and (iii) only done
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D)
(ii) and (iv) only done
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question_answer 17)
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)
B)
C)
D)
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question_answer 18)
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
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B)
P produces fewer reproductive cells than Q does. done
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C)
Reproductive cells produced by P do not show motility. done
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D)
Q produces reproductive cells for a longer period in an individual's life span than P does. done
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question_answer 19)
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
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B)
Statements (i) and (iii) are incorrect while statements (ii), (iv), (v) and (vi) are correct. done
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C)
Statements (iii) and (iv) are incorrect, while statements (i), (ii), (v) and (vi) are correct. done
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D)
Statements (iii) and (v) are incorrect, while statements (i), (ii), (iv) and (vi) are correct. done
clear
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question_answer 20)
Refer to the given figure. Identify the labelled parts (P - S) and select the correct option.
A)
B)
C)
D)
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