BIOLOGY XII ISC
Quiz by Janiya Malhotra
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- Q1
Mature Graafian follicle is generally present in the ovary of a healthy human female around :
(A) 5 - 8 days of the menstrual cycle.
(D) 24 - 28 days of the menstrual cycle.
(B) 11 — 17 days of the menstrual cycle.
(C) 18 — 23 days of the menstrual cycle.
30s - Q2
Following statements are given regarding MTP. Choose the incorrect options given below:
A) MTPs are generally advised during the first trimester.
D) MTPs require the assistance of qualified medical personnel.
B) MTPs are used as a contraceptive method.
C) MTPs are always surgical.
30s - Q3
The correct sequence of reproductive events in humans is:
D)Gametogenesis,fertilization, insemination, implantation, gestation, parturition.
A)Gametogenesis,implantation, fertilization, insemination, gestation, parturition.
C)Gametogenesis,insemination, implantation, fertilization, gestation, parturition.
B)Gametogenesis,insemination, fertilisation, implantation, gestation, parturition.
30s - Q4
The process when some species migrate from the original to a new place, which in turn changes the allele frequency is called
(D) Genetic recombination
(B) Gene migration
(A) Genetic drift
(C) Mutation
30s - Q5
Introduction of sex education in schools was to:
D) To keep them healthy.
B) To be friendly invariable of sex.
A) Prevent child marriages.
C)To prevent misconceptions about sex-related aspects.
30s - Q6
The seminal plasma is rich in:
B) Glucose and certain enzymes but has no calcium.
C) Fructose and calcium but has no enzymes.
A) Fructose and certain enzymes but has low calcium.
D) Fructose, calcium and certain enzymes.
30s - Q7
Which of the following statements is incorrect about menstruation?
A) During normal menstruation about 40 ml of blood is lost.
D) The beginning of the cycle of menstruation is called menarche.
B) The menstrual fluid can easily clot.
C) During menopause in the female, there is an abrupt increase in the
gonadotropic hormones.
30s - Q8
What are the names of the two scientists that replicated the creation of amino acids during the early stages of planet Earth?
(A) Oparin and Haldane
(B)Miller and Urey
(C) Darwin and Wallace
(D) Stahl and Meselson
30s - Q9
The function of Oxytocin is to help in
(B) Growth
(D) Gametogenesis
(C) Help in the menstrual cycle
(A) Childbirth
30s - Q10
The outermost layer of blastocyst is called……..
(A) Ectoderm
(D) Placenta
(C) Endoderm
(B) Trophoblast
30s - Q11
Identify the incorrect statement from the following:
C) Oogonial cells start to proliferate and give rise to functional ova
in regular cycles from puberty onwards.
D) Progesterone level is high during the post-ovulatory phase of the
menstrual cycle.
A) Sperms released from seminiferous tubules are poorly motile/non-motile.
B)High levels of estrogen trigger the ovulatory surge.
30s - Q12
Assertion: Spermatogenesis starts at the age of puberty.
Reason:There is significance increasement of gonadotropin releasing hormones at puberty.
D) If both the assertion and reason are false.
C) If the assertion is true but the reason is false.
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
B )If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
30s - Q13
Assertion: Women are at the peak of conception on the 14th day of the menstrual cycle.
Reason: Vasectomy is the method normally, employed to avoid conception in females.
(D) If both the assertion and reason are false.
(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(C) If the assertion is true but the reason is false.
30s - Q14
Assertion: CDRI Lucknow has developed Mala-D which is non steroidal,once a week pill
Reason: Hormonal contraceptives help to balance the Hormonallevel in body for proper functioning of gonads.
(C) If the assertion is true but the reason is false.
(B) If both the assertion and reason are true butthe reason is not a correct explanation of the assertion.
(A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(D) If both the assertion and reason are false.
30s - Q15
Assertion: ICSI technique can be used to develop embryo invitro.
Reason: This process can be performed only after the ovum is taken out of the ovary
B. Both A and R are true and R is not the correct explanation of A
D. A is False but R is true
C. A is true but R is false
A. Both A and R are true and R is the correct explanation of A
30s