Holozoic Nutrition

Q.

Holozoic nutrition includes ___steps.

Q.

Write one similarity and one difference between the nutrition in amoeba and human beings.

Q.

Saliva contains an enzyme called?

Q. Saliva breaks down _____ into simple sugars.

1. glucose
2. starch
3. protein
4. vitamin

Q.

Which type of teeth are used by carnivores for tearing flesh?

1. Canines

2. Incisors

3. Premolars

4. Molars

Q. After we chew our food properly, it tastes sweet. Give reasons

Q.

What is meant by assimilation? Name two processes which happen before assimilation. [2 MARKS]

Q.

What is holozoic mode of nutrition?

Q.

Explain in detail about feeding and digestion of amoeba.

Q.

What is an amoeba? How does it move? Explain digestion in amoeba in detail. [5 MARKS]

Q. Sort the steps involved in holozoic nutrition.

1. Ingestion
2. Assimilation
3. Absorption
4. Digestion
5. Egestion

Q. Explain the process of nutrition in human?

Q.

The number of teeth and the age of a person vary:

1. directly with each other

2. inversely with each other

3. neither directly nor inversely with each other

4. sometimes directly and sometimes inversely with each other

Q. Question 9
The enzymes present in the saliva convert

(a) Fats into fatty acids and glycerol.
(b) Starch into simple sugars.
(c) Proteins into amino acids.
(d) Complex sugars into simple sugars.

Q. What is holozoic mode of nutrition? Give some examples of organisms exhibiting this mode of nutrition. [2 MARKS]

Q. Assimilation is the process by which absorbed food is taken by body cells and is used for growth, energy and repair.

1. True
2. False

Q.

Holozoic Nutrition means

1. Nutrition where a whole animal is eaten by another animal.

2. Nutrition where animals eat their food whole.

3. Nutrition where animals can eat the whole varieties of food available.

4. None of the above.

Q.

Similarities and differences between nutrition in amoeba and human beings.

Q.

Amoeba has no specific shape. Is this statement True or False?

1. True

2. False

Q.

Is animal nutrition & holozoic nutrition the same?

Q. Sharp and dagger-shaped teeth used for tearing food are called _______.

1. incisors
2. premolars
3. canines
4. molars

Q.

Write one similarity and one difference between the nutrition in amboea and human beings.

Q. The mode of taking food by an organism and its utilisation by the body is called .

1. nutrition
2. photosynthesis
3. digestion

Q.

Can you identify the process shown in the given picture?

1. Nutrition in amoeba by pseudopodia.

2. Excretion in amoeba by pseudopodia.

3. Nutrition in amoeba by podia.

4. Excretion in amoeba by podia.

Q.

Write a note on arrangement of human teeth. [5 MARKS]

Q.

In parasites, mode of nutrition is_____

Q.

What are villi? What are their location and function?

Q.

Saliva is responsible for ________.

1. Breakdown of vitamins into minerals

2. Breakdown of starch into sugars

3. Breakdown of protein into amino acid

4. Breakdown of fats into sugars

Q.

The mode of taking in food and utilising it is called ___.

Q.

Why do organisms need to take food?