Excretion

Q. Expain the structure of excretory system with a neat labelled diagram.

Q.

What are the differences between excretion and egestion?

Q.

What is excretion? How do animals remove waste products of their body?

Q. Name the excretory wastes produced in animals

Q. Ureotelic animals are those which eliminate the nitrogenous wastes predominantly in the form of

1. Uric acid
2. Ammonia
3. Amino acids
4. Urea

Q. The process by which living organisms get rid of their wastes is called ________ .

1. respiration
2. excretion
3. circulation
4. digestion

Q. Salts and ____ are removed along with water as sweat.

1. uric acid
2. ammonia
3. urea
4. carbon dioxide

Q. Elimination of waste products and toxins from the body is called _____.

1. reproduction
2. excretion
3. growth
4. response

Q. What is excretion?

1. Removal of waste materials.
2. Intake of food.
3. Burning of food.
4. Moving from one place to another.

Q.

Plants exhibit the characteristic property of excretion.

1. True

2. False

Q. The process by which waste products of metabolism are removed from our body is known as:

1. Secretion
2. Filtration
3. Excretion
4. Inhalation

Q. Match the following animals with the characteristic features of their digestive system.

1. Rumination
2. eat excreta
3. Gizzard

Q.

An organ responsible for excretion of sweat in human beings.

Q. The process by which living organisms get rid of their wastes is called ________ .

1. respiration
2. excretion
3. circulation
4. digestion

Q. Which among the following statements are correct with respect to anaerobic respiration?

1. End products can be lactic acid and energy
2. Takes place in the presence of oxygen
3. Takes place in the absence of oxygen
4. End products can be ${\mathrm{CO}}_2$, water and energy

Q. What is the process of removal of waste products from the body called?

Q.

Which of the following is an excretory activity of a plant?

1. Blooming of flowers

2. Production of fruits

3. Growth of stems

4. Shedding of leaves

Q. ______ is a tube through which urine is discharged from the body.

1. Urethra
2. Urinary bladder
3. Ureter
4. Renel vein

Q.

Name the major excretory products.

Q. Which of the following is an incorrect statement about excretion?

1. Excretion takes place in plants.
2. Excretion takes place both in plants and animals.
3. Excretion is the process of getting rid of excess water only.
4. Secretion is one method of excretion.

Q. Excretion is the

1. Intake of food
2. Burning of food
3. Moving from one place to another
4. Removal of waste materials

Q. Which among the following is the process by which living things get rid of waste?

1. Respiration
2. Reproduction
3. Photosynthesis
4. Excretion

Q.

The process of getting rid of the waste products in an organism is called __.

Q.

Question 13

If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? You would

1. Excrete small amount of urine.
2. Excrete large amount of urine.
3. Excrete concentrated urine.
4. Excrete very dilute urine.

Which of the above would hold true?
(a) 1 and 3
(b) 2 and 4
(c) 1 and 4
(d) 1 and 2

Q. Which of the following are excretory products in humans?

1. urine
2. sweat
3. carbon dioxide
4. oxygen

Q. During inhalation, the diaphragm becomes __(i)____ and ribs move ___(ii)_____ .

Q. ______ is a tube through which urine is discharged from the body.

1. Renel vein
2. Ureter
3. Urethra
4. Urinary bladder

Q. The process by which living organisms get rid of their wastes is called ________ .

1. respiration
2. excretion
3. digestion
4. circulation

Q.

Question 8

Which of the following is an incorrect statement about excretion?
(a) Excretion takes place in plants.
(b) Excretion takes place both in plants and animals.
(c) Excretion is the process of getting rid of excess water only.
(d) Secretion is one method of excretion.

Q.

Removal of waste products from body is called "URINE" or "EXCRETION" ?

Pl. explain .