Home
Class 10
BIOLOGY
Identify diagram (a), (b), (c) and (d) a...


Identify diagram (a), (b), (c) and (d) and give its name.
Out of these, which one is effective for preventing unwanted pregnancy as well as for protection against sexually transmitted diseases ?

Text Solution

Verified by Experts

(a) Condom (b) Copper-T (c) Surgical contraceptive male (vasectomy) (d) Surgical contraceptive for female (tubectomy).
Only condom is effective for preventing unwanted pregnancy as well as for protection against sexually transmission of diseases.
Promotional Banner

Topper's Solved these Questions

  • HOW DO ORGANISMS REPRODUCE?

    KUMAR PRAKASHAN|Exercise VALUE BASED QUESTIONS WITH ANSWERS|5 Videos

  • HEREDITY AND EVOLUTION

    KUMAR PRAKASHAN|Exercise PRACTICAL SKILL BASED QUESTIONS WITH ANSWERS|5 Videos

  • MODEL QUESTION PAPER 01

    KUMAR PRAKASHAN|Exercise (SECTION-D)|1 Videos

Similar Questions

Explore conceptually related problems

Identify (a), (b), (c) and (d) in the given figure. Give one name of the hormone secreted from each of any two of them.

Given below in the diagram of bacteriophage. In which one of the options all the four parts a, B , C and D are correct ?

Thin films, including soap bubbles and oil slicks, show patterns of alternating dark and bright regions resulting from interference among the reflected light waves. If two waves are in phase their crest and troughs will coincide. The interference will be constructive and the aplitude of the resultant wave will be greater than the amplitude of either constituent wave. if the two waves are out of phase, the crests of one wave will coincide with the troughs of the other wave. The interference will be destructive and the amplitude of the resultant wave will be less than that of either constituent wave. at the interface between two transparent media some light is reflected and some light is refracted. * When incident light, reaches the surface at point a, some of the light is reflected as ray R_(a) and and some is refracted following the path ab to the back of the film. *At point b some of the light is refracted out of the film and part is reflected back refracted out of the fiml as ray R_(c) . R_(a) and R_(c) are parallel. However, R_(c) has travelled the extra distance within the film of abc. if the angle of incidence is small then abc is approximately twice the film's thickness. if R_(a) and R_(c) are in phase they will undergo constructive interference and the region ac will be bright if R_(a) and R_(c) are out of phase, they will undergo destructive interference. * Refraction at an interface never changes the phase of the wave. * For reflection at the interface between two media 1 and 2, if n_(1)ltn_(2) the reflected wave will change phase by pi . if n_(1)gtn_(2) the reflected wave will not undergo a phase change. for reference n_(air)=1.00 * if the waves are in phase after refection at all interfaces, then the effects of path length in the film are Constructive interference occur when (n= refractive index) 2t=mlamda//n" "m=0,1,2,3... .. Destructive interference occurs when 2t=(m+1//2)lamda//n" "m=0,1,2,3... Q. A 600 nm light is perpendicularly incident on a soap film suspended in air. The film is 1.00 mum thick with n=1.35. Which statement most accurately describes the interference of the light reflected by the two surfaces of the film?

Which of the following indicates correct name of "a " , "b" , "c" and "d" regions of the given diagram ?

Which of the following statement are true for viviparous animals ? (I) Zygote develop into a young one inside the body of female parent. (II) Young one are delivered out of the body of the female parent. (III) Proper embryonic care and protection is given to young one. (IV) The chances of the survival of young ones is lesser in viviparous organism. (A) I is true (B) I, II are true (C) I, II and III are true (D) I, II and IV are true

(a) What happens if a bar magnet is cut into two pieces: (i) transverse to its length, (ii) along its length? (b) A magnetised needle in a uniform magnetic field experiences a torque but no net force. An iron nail near a bar magnet, however, experiences a force of attraction in addition to a torque. Why? (c) Must every magnetic configuration have a north pole and a south pole? What about the field due to a toroid? (d) Two identical looking iron bars A and B are given, one of which is definitely known to be magnetised. (We do not know which one.) How would one ascertain whether or not both are magnetised? If only one is magnetised, how does one ascertain which one? [Use nothing else but the bars A and B.)

A disc of radius R is rotating with an angular omega_(0) about a horizontal axis. It is placed on a horizontal table. The coefficient of kinetic friction is mu_(k) . (a) What was the velocity of its centre of mass before being brought in contact with the table? (b) What happens to the linear velocity of a point on its rim when placed in contact with the table? (c) What happens to the linear speed of the centre of mass when disc is placed in contact with the table? (d) Which force is responsible for the effects in (b) and (c )? (e) What condition should be satisfied for rolling to being? (f) Calculate the time taken for the rolling to begin.

Each phase of a material can exits only in certain regions of pressure and temperature . P-T phase diagrams, in which pressure is plotted versus temperature, show the regions corresponding to various phases and phase transformations . P-V diagrams, on the other hand , can be used to study pressure volume relationship at a constant temperature. If the liquid and gaseous phases of a pure substances are heated together in a closed container, both the temperature and the vapor pressure will increase until a point is reached at which the two phases can no longer be distinguished from one another. The temperature and pressure at which this occurs are called the critical temperature and pressure. Exceeding either of these parameters, by itself ,will cause the "gas"//"liguid" phase transition to disappear. if the other variable is then changed as well, while the first variable is maintained above its critical point , a gradual transition will occur between the gaseous and liquid phases, with no clear boundary.(The liquid and solid phases, on the other hand , maintain a distinct boundary at all pressure above the triple point). Shown in figure is a combined P-T phase diagram for material A and B . If heat is added to solids A and B , each in a container that is open to the atmosphere :-