Reproduction An...

Refer to the above flow chart and choose the correct option.

What type of asexual reproduction is shown in the given figure?

Refer to the above figure and choose the incorrect option.

Refer to the figure given below:



The process shown in the figure is __________ and results in the formation of _________.

Semen includes

Refer to the diagram given below:



The function of the part labelled X is to

Read the statements given below and select the correct option.

Statement 1: Testes are found in the scrotal sacs present outside the body.
Statement 2: Sperms need a relatively lower temperature than body temperature.

How many eggs are generally released into oviduct by an ovary every month?

The diagram given below represents the female reproductive system. Identify the part in which the implantation of the fertilised ovum takes place.

Study the series given below. Pick the odd one out from each series and select the correct option.

(a) Prostate gland, Penis, Seminal vesicle, Uterus
(b) Cervix, Vagina, Fallopian tube, Epididymis
(c) Head, Middle piece, Tail, Yolk

Refer to the graph given below:



Choose the incorrect statement from the ones given below:

Common changes occur among boys and girls during puberty. A few of these have been listed below. Choose the incorrect one.

Directions: Read the statements given below and choose the correct alternative.

Assertion (A): Boys have a high pitched voice.
Reason (R): In boys, Adam's apple is prominent.

Directions: Read the statements given below and select the correct option.

Statement 1: Girls need to take a lot of iron-rich food, especially during menstruation.
Statement 2: Iron is necessary for the formation of RBCs.

An adolescent boy's meal contains all essential nutrients, but no protein. The boy will exhibit

Refer to the diagram given below and choose the correct option.

Which of the following statements is/are false?

a. The first occurrence of periods at puberty is called menarche.
b. Menstruation stops permanently when a women reaches the age of about 45 to 50 years.
c. The process of ovulation and menstruation in women is called menopause.

Given below are events that lead to pregnancy and development of an embryo:

(i) Fertilisation of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in thickened uterine wall

Which of the following options gives the correct order of their occurrence?

Complete the following sentences:

(a) In females, the uterine wall thickens to receive the __________.
(b) Endocrine glands release hormones directly into _______ for transportation to the target site.
(c) The sex hormones, ___________ and oestrogen, are responsible for the development of secondary sexual characters.
(d) Release of sex hormones is under the control of a hormone secreted from the __________.

Which of the following glands secrete products directly into the bloodstream?

a. Pituitary gland
b. Sebaceous gland
c. Thyroid gland
d. Sweat gland