HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

Write a note on HIV.

With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum. 
A couple is unable to conceive. Which modern techniques are available to overcome this problem? 

Multiple choice question.

Test tube baby technique is called _______.

Fill in the blank:

The primary sex organ in human male is _______.

Short answer question.

Write a note on IVF.

Answer the following question.

What are the goals of RCH programme.

Describe the process of fertilization.

Meanrch, menstrual cycle, and menopause are controlled by ______.

Name the hydrolytic enzyme secreted by the acrosome.

Describe the structure of a Graafian follicle.

Explain any three methods that can be used to overcome infertility.

Explain the ovarian cycle with its different phases.

Describe the process of spermatogenesis with the help of diagram.

When the ELISA test was conducted on an immune-suppressed person, he tested positive for a pathogen.

1. Identify the disease the patient is suffering from.
2. Name the causative entity. 
3. Mention the cells of the body that are attacked by the pathogen.

Explain the mode of transmission of HIV.

Identify the trophoblast cells which are in contact with the embryonal knob during blastulation.

Identify A, B, C, D, in the given diagram of the human reproductive system:

Sketch and label Human Male Reproductive System.

Write briefly about the Testis.

What is spermatogenesis?