Menstrual Cycle

Q.

Which of the following is not a sexually transmitted disease?

1. Syphilis

2. Gonorrhoea

3. AIDS

4. Pulmonary tuberculosis

Q. Question 23
In human females, each time during maturation and release of an egg, the inner wall of the uterus thickens. Is this thickening permanent? Give reasons.

Q. Question 03
What is menstruation? Explain.

Q.

Fill in the blanks by choosing the correct alternative​

(iii) Very low temperature _______ the growth of the embryo (inhibits/destroys). ​

Q.

The mucous membrane lining the uterus.

Q.

Question 6
Why does menstruation occur?

Q. Inner surface of fallopian tubes, bronchi and bronchioles are lined by

1. Squamous epithelium.
2. Ciliated epithelium.
3. Columnar epithelium.
4. Cubical epithelium.

Q.

Different types of sexually transmitted, diseases are viral-Acquired Immune Deficiency Syndrome (AIDS); bacterial-syphilis. gonorhoea etc. AIDS can be transmitted from an infected to a healthy person through contaminated needles, razors and syringes, through unprotected sex, from infected pregnant mother to her child during delivery. If a woman is using a copper-T, it will not help in protecting her from sexually transmitted diseases as it is only a contraceptive; it will prevent pregnancy.

(i) How can one prevent AIDS- Acquired Immune Deficiency Syndrome?

Q. Which of the following is a sex cell?

1. Sperm
2. Red blood cell
3. Neuron
4. Osteocyte

Q. Lactometer is used to check whether _____ is adulterated or not.

1. oil
2. sugar
3. milk
4. dal

Q. Which of the following is a sex cell?

1. Osteocyte
2. Red blood cell
3. Sperm
4. Neuron

Q.

Menopause is the beginning of the menstrual cycle in a girl.

1. True

2. False

Q. Which of the following is a sex cell?

1. Red blood cell
2. Sperm
3. Neuron
4. Osteocyte