Process of Digestion in Amoeba

Q.

Which one of the following is not a process of nutrition?

1. Digestion

2. Reproduction

3. Absorption

4. Ingestion

Q.

In which of the following group of organisms, food material is broken down outside the body and absorbed?

1. Mushroom, green plants, Amoeba

2. Yeast, Mushroom, bread mould

3. Parameocium, Amoeba, Cuscata

4. Cuscuta, lice, tapeworm

Q.

Amoeba shows which of the following kind of nutrition?

1. Parasitic

2. Saprotrophic

3. Holophytic

4. Holozoic

Q. When the food enters the food vacuole in an amoeba, digestive juices are secreted. They act on the food in the vacuole and break it down into simpler substances.

1. True
2. False

Q.

Amoeba acquires its food through a process, termed as

1. Exocytosis

2. Endocytosis

3. Plasmolysis

4. Exocytosis and endocytosis both

Q.

What is slime moulds and water moulds?

Q. Explain the process of digestion in Amoeba.

Q. Question 25
Fill in the blanks using the words listed below.
Water, front, intestinal, salts, pseudopodia, back, vacuole

(a) The digestion of all food components is completed by the

___ juice.

(b) Large intestine absorbs ____ and some ____ from the undigested food.

(c) Tongue is attached at the ____ to the floor of the mouth cavity and is free at the ____.

(d) Amoeba pushes out ____ around the food and traps it in a food _____.

Q.

* List the characteristic features of amoeba

Q. Which of the following belong to phylum Platyhelminthes?

1. Leech
2. Spongilla
3. Earthworm
4. Liver fluke

Q. How is the food taken and digested in Amoeba and Paramecium?

Q. In which animal digestive system is incomplete?

1. Wuchereria
2. Hirudinaria
3. Shistosoma
4. Neopilina

Q. Contractile vacuole of Amoeba placed in salt water will

1. Burst
2. Disappear
3. Enlarge
4. Multiply

Q.

Question 1 (e)
Fill in the blanks:
(e) Amoeba digests its food in the __.

Q. If Amoeba is kept in distilled water, its contractile vacuole

1. Works slowly
2. Works faster
3. Remains unaffected
4. Disappears

Q.

who have holozoic mode of nutrition? and why?

Q. In Amoeba, cell membrane help in engulfing the food during the process called as endocytosis

Q.

Where can contractile vacuoles be seen?

Q. The given image depicts which of the following phenomena in amoeba?

1. Digestion
2. Egestion
3. Growth
4. Development

Q. In Amoeba, pseudopod are formed due to

1. Sol gel change
2. Movement towards area of higher temperature
3. All the above
4. Contact with food

Q. Very short answer type.
Name the locomotory organs of Amoeba.

Q. The amoeba projects one, or more finger-like projections, called ______ or false feet for movement and capture of food.

1. pseudopodia
2. villi
3. oesophagus
4. epiglotis

Q. Amoeba is called immortal and it is scattered all over the world due to

1. BInary fission
2. Regeneration
3. Irregular shape
4. Sexual reproduction

Q. The false foot in amoeba is known as

1. Pseudopodia
2. Food vacuole
3. Water vacuole
4. None of the above

Q.

Describe the process of nutrition in amoeba.Draw labelled diagram to show that various steps of nutritions in amoeba.

Q. The process of expelling of food in amoeba

1. Digestion
2. Egestion
3. Nutrition
4. None of the above

Q. Identify the type of nutrition in Amoeba.

1. Saprotrophic
2. Parasitic
3. Holozoic
4. Holophytic

Q. Name the following:
(i) A parasitic plant with yellow, slender and tubular stem.
(ii) A plant that has both autotrophic and heterotrophic mode of nutrition.
(iii) The pores through which leaves exchange gases.

Q. An amoeba ingests food with the help of ___.

1. fingers
2. villi
3. pseudopodia
4. cilia

Q. Digestion in Amoeba mainly takes place in

1. Food vacuole
2. Cytoplasm
3. Water vacuole
4. None of the above