Modes of Nutrition

Q.

Pitcher plant traps insects because it

1. Is a heterotroph.

2. Grows in soils which lack nitrogen.

3. Does not have chlorophyll.

4. Has a digestive system like human beings.

Q.

Living organisms that cannot make their own food are called

Q.

Write slogans on food security.

Q.

Animals and most organisms obtain nutrition from food prepared by plants. They are classified as:

1. Autotrophs

2. Heterotrophs

3. Neutrotrophs

4. Saprotrophs

Q.

How can we classify plants based on their mode of nutrition? Explain. [2 MARKS]

Q. Lions, tigers and cheetahs are examples of ________.

1. herbivores
2. omnivores
3. scavengers
4. carnivores

Q.

The plant which traps and feeds on insects is

1. Cuscuta

2. China rose

3. Pitcher plant

4. Rose

Q. An organism that lives on the body of another animal and sucks its blood to obtain nutrition is an ______

1. ectoparasite
2. endoparasite
3. saprophyte
4. pesticide

Q.

Read the following statements about nutrients and fill in the blanks.

Nutrients are categorised into 2 main types, (i)______ and (ii)______; the first type provides energy and consists of carbohydrates, proteins and fats and is needed in (iii)______ quantities. The second type consists of regulatory nutrients like vitamins and minerals, and is required in (iv)______ quantities.

1. (i) micronutrients (ii) larger (iii) smaller (iv) macronutrients
2. (i) larger (ii) smaller (iii) macronutrients (iv) micronutrients
3. (i) smaller (ii) macronutrients (iii) micronutrients (iv) larger
4. (i) macronutrients (ii) micronutrients (iii) larger (iv) smaller

Q. Living organisms that prepare their own food are known as

1. Autotrophs
2. Heterotrophs
3. Decomposers
4. Parasites

Q. A person has been experiencing stomach pain and nausea for quite sometime. It was diagnosed that a certain organism present in his intestine is responsible for these symptoms.

Identify the type of parasite and name of the organism.

1. Type: Ectoparasite
   Organism: Tapeworm
2. Type: Endoparasite
   Organism: Bedbugs
3. Type: Ectoparasite
   Organism: Bedbugs
4. Type: Endoparasite
   Organism: Tapeworm

Q. Pasteurisation was discovered by Louis Pasteur.

Q.

Which of the following is a macro nutrient?

1. Cu

2. Fe

3. Mo

4. Ca

Q.

name a plant parially heterotrophs

Q.

Name the two main types of nutrition.

Q.

The major macronutrients of our food are

1. Carbohydrates

2. Proteins

3. Fats

4. All of the above

Q.

__ are nutrients that provide energy.

Q.

The ultimate source of energy for all living organisms is the __ .

Q. Heterotrophs are self nourishing in nature.

1. False
2. True

Q. Nutrition in Musca domestica is

1. Saprozoic
2. Parasitic
3. Holophytic
4. None of the above

Q. Every cell in an organism requires energy to perform its functions.

1. True
2. False

Q. Match the kingdoms to their mode of nutrition.

$\begin{array}{cc}\text{(i) Fungi}& \text{(a) Autotrophic}\\ \text{(ii) Plantae}& \text{(b) Heterotrophic}\\ \text{(iii) Animalia}& \text{(c) Saprotrophic}\end{array}$

1. (i) - (c); (ii) - (a); (iii) - (b)
2. (i) - (b); (ii) - (c); (iii) - (a)
3. (i) - (a); (ii) - (c); (iii) - (b)
4. (i) - (a); (ii) - (b); (iii) - (c)

Q. All the organisms listed below are heterotrophic except _________ .

1. algae
2. ticks
3. cuscuta
4. vulture

Q. Match the kingdoms to their mode of nutrition.

$\begin{array}{cc}\text{(i) Fungi}& \text{(a) Autotrophic}\\ \text{(ii) Plantae}& \text{(b) Heterotrophic}\\ \text{(iii) Animalia}& \text{(c) Saprotrophic}\end{array}$

1. (i) - (c); (ii) - (a); (iii) - (b)
2. (i) - (b); (ii) - (c); (iii) - (a)
3. (i) - (a); (ii) - (c); (iii) - (b)
4. (i) - (a); (ii) - (b); (iii) - (c)

Q. ___ are the organisms that live on the host's body and derive their nutrients from it.

1. Amphibians
2. Mammals
3. Reptiles
4. Parasites

Q.

How is this food item adulterated by shopkeepers?

1. By the addition of soya seeds.

2. By the addition of mustard seeds.

3. By the addition of tamarind seeds.

4. By the addition of soil.