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The Reproductive System

Question
ICSEENIBI10003531

Give the Biological/technical term for the following:

(i) Complete stoppage of menstrual cycle in females.
(ii) Pigment providing colour to urine.
(iii) The vein which drains the blood from the intestine to the liver.
(iv) The canal through which the testes descend into the scrotum just before the birth of a male baby.
(v) The process causing an undesirable change in the environment.
(vi) The removal of nitrogenous wastes from the body.
(vii) The repeating components of each DNA strand lengthwise.
(viii) An alteration in the genetic material that can be inherited.
(ix) The process of uptake of mineral ions against the concentration gradient using energy from the cell.
(x) Blood vessels carrying blood to the left atrium.

Solution

i. Menopause is the complete stoppage of menstrual cycle in females.
ii. Urochrome is the pigment providing colour to urine.
iii. Hepatic portal vein is the vein which drains the blood from the intestine to the liver.
iv. Inguinal canal is the canal through which the testes descend into the scrotum just before the birth of a male baby.
v. Pollution is the process causing an undesirable change in the environment.
vi. Excretion is the removal of nitrogenous wastes from the body.
vii. Nucleotides are the repeating components of each DNA strand lengthwise.
viii. Mutation is an alteration in the genetic material that can be inherited.
ix. Active transport is the process of uptake of mineral ions against the concentration gradient using energy from the cell.
x. Pulmonary veins are the blood vessels that carries blood to the left atrium. 

Some More Questions From The Reproductive System Chapter

Choose the correct answer from the four options given below :

A single highly coiled tube where sperms are stored, gets concentrated and mature is known as 

Briefly answer the following question:

What is the significance of amniotic fluid?

The diagram given below shows the male urogenital system of a human being. Study the diagram and answer the questions that follow.

(i) Label the parts numbers 1 to 8

(ii) Name the corresponding structure of part (4) in female reproductive system.

(iii) What is the role of part 7 ?

State the main function of the following:

Sperm duct.

Copy and complete the following by filling in the blanks 1 to 5 with appropriate words.

The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called ………(1) As the eggs grow lrger, the follicle enlarges and gets filled with a fluid and is now called the ………. (2) follicle. The process of releasing the egg from the ovary is called …… (3) The ovum is picked up by the oviducal funnel and fertilisation takes place in the …. (4) In about a week the blastocyst gets fixed in the endometrium of the uterus and this process is called ……….(5)

Given below is an example of certain structures and their special functional activities.

For example: Eye and vision.

On a similar pattern, complete the following:

Placenta ...................... 

Give the biological/technical terms for the following:

The onset of menstruation in a young girl.

Give the biological/technical terms for the following:

Structure which connects the placenta with the foetus

Given below are five groups of terms. In each group, arrange and rewrite the terms in the correct order so as to be in a logical sequence. 

For example, Question: Implantation, Parturition, Ovulation, Gestation, Fertilisation. Answer: Ovulation,Fertilisation. Implantation. Gestation, parturition.

 Intestine, Llver, lntestlnal artery, Hepatic vein. Hepatic portal vein 

(a) Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions which follow:

(i)Label the parts numbered 1 to 4 in the diagram.

(ii) State the functions of the parts labelled 1 and 3.

(iii) What is the significance of the testes being located in the scrotal sac outside the abdomen?

(iv) What is the role played by the inguinal canal?

(v) What is semen?