English
Karnataka Board PUCPUC Science 2nd PUC Class 12

Identify True/False statement. Correct false statement to make it true. Presence or absence of hymen is not a reliable indicator of virginity or sexual experience.

Advertisements
Advertisements

Question

Identify True/False statement. Correct false statement to make it true.

Presence or absence of hymen is not a reliable indicator of virginity or sexual experience.

True or False
Advertisements

Solution

This statement is true.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Human Reproduction - EXERCISES [Page 40]

APPEARS IN

NCERT Biology [English] Class 12
Chapter 2 Human Reproduction
EXERCISES | Q 16. (g) | Page 40
Nootan Biology [English] Class 12 ISC
Chapter 2 Human Reproduction
NCERT EXERCISES | Q 16. (g) | Page 117

RELATED QUESTIONS

Which part of the human body produces Ova?


Complete the paragraph with the help of words given in the bracket.
(Luteinizing hormone, endometrium of uterus, follicle stimulating hormone, estrogen, progesterone, corpus luteum) 

Growth of follicles present in the ovary occurs under the effect of ______. This follicle secretes estrogen. ______ grows/regenerates under the effect of estrogen. Under the effect of ______, fully grown up follicle bursts, ovulation occurs and ______ is formed from remaining part of follicle. It secrets ______ and ______. Under the effect of these hormones, glands of ______ are activated and it becomes ready for implantation.


The diagram given below represents a system in the human body. Study the diagram and answer the following questions:

  1. Identify the system.
  2. Label the parts marked 5 and 6.
  3. Name the two hormones secreted by 1.
  4. Mention the number and the name of the part involved in fertilization and implantation from the above diagram.
  5. Mention the surgical methods of contraception in:
    1. Human males.
    2. Human females.


Give appropriate term of the following:
The rupture of follicle and release of ovum from the ovary.


Give appropriate term of the following:
The monthly discharge of blood and disintegrated uterine tissues in human female.


Give appropriate term of the following:
The process of fusion of ovum and sperm.


Name the following:
Organ producing ovum.


Why is zona pellucid retained around the egg till it reaches the uterus?


Name the Following

The term used when beard and mustache appear, harshening of voice, broadening of shoulders, etc. takes place.


Give Technical Term:

Which part develops during the advanced pregnancy?


Write the functional activity of the following structure:

Ovary


The _______ is also called the womb.


Which part of the fallopian tube collects to ovum after ovulation?


During which process is the egg released from the Graafian follicle?


Breasts are the modified ______ glands.


In 28 days human ovarian cycle, ovulation occurs on ______.


Which part of ovary in mammals acts as an endocrine gland after ovulation?


Lower narrow end of uterus is called ______.


To answer the question, study the graphs below for Subjects 1 and 2 showing different levels of certain hormones.

For subject 2 it is observed that the peak for hormone B has reached the plateau stage. After approximately how much time will the curve for hormone B descend?


The fertilization of the human egg by the sperm takes place in ______  


Tubectomy is carried out by blocking the ______ 


Fertilization occurs in human females when the sperms and ovum reach simultaneously at ______


Read the following and answer from given below:

During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.

In the female genital tract, sperms are made capable of fertilizing the egg. This phenomenon of sperm activation is called ______


Read the following and answer from given below:

During copulation, semen is released by the penis into the vegina. The motile sperms swim rapidly, fuse with the ovum in the ampullary region, resulting in fertilization. The haploid nucleus of sperm fuses with that of the ovum to form a diploid zygote.

Select the correct sequence of various physical and chemical events that take place during fertilisation.

P. Fusion of cortical granules with the plasma membrane of secondary oocyte.

Q. Formation of fertilization cone to receive sperm.

R. Release of sperm lysin from acrosome.

S. Mixing up of chromosomes of a sperm and an ovum.


Which among the following diseases is not sexually transmitted?


What are the functions of the ovaries and uterus in the female reproductive system?


The ______ is also called the womb.


The ______ is also called the womb.


Choose the odd one out from the group of terms given below and write the category for the remaining terms:


Which steroid/ovarian hormones are produced by the ovaries?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×