Heterotrophic Nutrition

Q. What is absorption ?

Q.

Complete the table.

Type	Example
Total Parasite	A) ________
Partial Parasite	B) ________
Saprophyte	C) ________

1. A - Cuscuta, B - Monotropa, C - Loranthus

2. A - Monotropa, B - Loranthus, C - Cuscuta

3. A - Cuscuta, B - Loranthus, C - Monotropa

4. A - Loranthus, B - Cuscuta, C - Monotropa

Q.

Living organisms that depend on other living organisms for their food are known as ______ .

1. Autotrophs

2. Chemotrophs

3. Heterotrophs

4. Phototrophs

Q.

Write Difference Between Ingestion and Egestion?

Q.

What is difference between Ingestion and Digestion?

Q.

Difference between holophytic and holozoic nutrition..??

Q.

What are the 3 main minerals that plants need?

Q.

Mushrooms get their food from:

1. Photosynthesis

2. Eating small insects which come near it

3. Dead and decaying plants

4. The water we pour near it

Q.

The difference in the mode of heterotrophic nutrition in fungi, parasites, and mammals can be attributed to _____ .

1. Difference in body design.

2. Availability of food.

3. Both A and B

4. Similarity in digestive organs.

Q.

Why is the digestive system the most important?

Q.

What does the autotrophic mode of nutrition require?

Q.

A: Tooth is the hardest part of the human body.

R: Enamel is the hardest material in the human body.

1. A is true and R is false

2. A is true and R is the reason

3. A and R are not related at all

4. A is false while R is also false

Q. The process of obtaining food and its utilisation by the body is known as .

1. nutrition
2. digestion
3. photosynthesis

Q.

The following diagram depicts the various steps involved in the process of digestion. Choose the option that correctly tells the names of these steps.

1. 1-digestion, 2-ingestion, 3- absorption, 4- egestion

2. 1- ingestion, 2- digestion, 3-egestion, 4-absorption

3. 1- ingestion, 2- digestion, 3- absorption, 4- egestion

4. 1-digestion, 2- absorption, 3-egestion, 4- ingestion

Q.

The process of intake of food is known as ___ .

1. Egestion

2. Digestion

3. Secretion

4. Ingestion

Q.

Name the second largest gland in the body.

Q. How does chemoautotrophic bacteria make its own food even though it does not have chlorophyll?

Q. Define the following:-

Egestion
Animal nutrition
Ingestion
Assimilation
Absorbtion

Q.

Heterotrophs derive their food from ______ and ______.

Q.

Can plants survive without photosynthesis?

Q. How do chemoautotrophic bacteria make their own food and why are they considered to be heterotrophic?

Q. Assertion (A): The body breaks down complex substances in food into smaller components in the digestive system.

Reason (R): Breaking down of food into simpler substances helps in easy and efficient absorption of nutrients.

1. Both (A) and (R) are true and (R) explains (A)
2. Both (A) and (R) are true but (R) doesn't explain (A)
3. (A) is true and (R) is false
4. Both (A) and (R) are false

Q.

Which of these is the correct sequence in the process of digestion?

1. Digestion $\to$ Ingestion $\to$ Absorption $\to$ Excretion

2. Excretion $\to$ Absorption $\to$ Ingestion $\to$ Digestion

3. Ingestion $\to$ Digestion $\to$ Absorption $\to$ Excretion

4. Ingestion $\to$ Absorption $\to$ Digestion $\to$ Excretion

Q.

Write the name of the nutritive mode present in Mucor.

Q.

Question 3
Which of the following statements is/are correct?
(i) All green plants can prepare their own food.
(ii) Most animals are autotrophs.
(iii) Carbon dioxide is not required for photosynthesis.
(iv) Oxygen is liberated during photosynthesis.

Choose the correct answer from the options below:

(a) (i) and (iv)
(b) (ii) only
(c) (ii) and (iii)
(d)(i) and (ii)

Q.

Which all nutrients are digested in small intestine?

Q.

Give three reasons why organisms need food? [3 MARKS]

Q.

Organisms that can synthesize their food are called ________.

Q.

What is nutrition? Why do we need nutrition? Give the names of major nutrients? [3 MARKS]

Q.

All components of food are digested and absorbed completely in the human body.

1. True

2. False