Heterotrophic Nutrition in Plants

Q.

Differentiate between parasitic and saprophytic plants?

Q.

Give an example of two plants and two animal parasites.

Q. A relationship between two organisms where both benefit from each other is called a relationship.

1. saprotrophic
2. autotrophic
3. symbiotic
4. parasitic

Q.

The pitcher plant is fully heterotrophic and does not perform photosynthesis.

1. True

2. False

Q.

Is insectivorous plants are hetrerotrophs or autotrophs?

Q.

Why insectivores plants are partially autotrophs and partially heterotrophs?

Q. Utilization of absorbed food by cells and tissues is known as ________ .

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

Q. The process by which food is taken inside the body is known as _________ .

1. egestion
2. digestion
3. ingestion
4. assimilation

Q.

Parasitic nutrition is found in the animals who derive nutrition from the host body.

1. True

2. False

Q. Identify A and B in the table below with respect to Lichens. Also identify the mode of nutrition exhibited by Lichens.

$\begin{array}{cc}Organism& Function\\ \text{(A) \_\_\_\_\_\_}& \text{Provides shelter, water and minerals}\\ \text{Algae}& \text{(B) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}\end{array}$

1. A - Amoeba, B - Provides food; Saphrophytic nutrition
2. A - Fungi, B - Provides food; Symbiotic Nutrition
3. A - Fungi, B - Provides light; Symbiotic Nutrition
4. A - Fungi, B - Provides food; Parasitic Nutrition

Q. The plant Cuscuta depends on other plants for food. It is an example for______ nutrition.

1. Autotrophic
2. Parasitic
3. Monolithic
4. None of the above

Q.

Statement I: Energy is required by every living organism to survive and carry out different activities.
Statement II: Living organisms obtain this energy through nutrition.
Statement III: Nutrition alone is enough to provide the required energy to an organism.

Which of the following statement(s) is/are correct?

1. I and II

2. II and III

3. I, II and III

4. I and III

Q.

Observe the diagrams of organisms given below. Name them and write their category. [5 MARKS]

Q.

Some organisms exist together sharing shelter and nutrients. This is called ______ relationship.

1. symbiotic

2. parasitic

3. independent

4. commensal

Q. Identify the organism that does not use parasitic mode of nutrition.

1. Cuscuta
2. Lice
3. Leeches
4. Lichen

Q. Which of the following contain chlorophyll?

1. Algae
2. Cuscuta
3. Mushrooms
4. Mango trees

Q. How do bees and hummingbirds take in food?

1. Swallowing
2. Sucking
3. Filtering
4. Biting

Q. The sharp and dagger-shaped teeth in the buccal cavity are known as ____.

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

Q. Which among the following is an insectivorous plant?

1. Mushroom
2. Cuscuta
3. Lichen
4. Pitcher plant

Q.

Question 2
Distinguish between a parasite and a saprotroph.

Q. Match the following.
$\begin{array}{cc}\text{Column A}& \text{Column B}\\ \left(a\right)\text{Parasitic Plant}& \left(i\right)\text{Drosera}\\ \left(b\right)\text{Insectivorous plant}& \left(ii\right)\text{Yeast}\\ \left(c\right)\text{Saprophytic Plant}& \left(iii\right)\text{Lichen}\\ \left(d\right)\text{Symbiotic plant}& \left(iv\right)\text{Loranthus}\end{array}$

1. a - ii; b - i; c - iii; d - iv
2. a - iii; b - ii; c - iv; d - i
3. a - iii; b -ii; c - i; d - iv
4. a - iv; b - i; c - ii; d - iii

Q.

Question 2
Distinguish between a parasite and a saprotroph.

Q. The following picture shows the different types of teeth present in your mouth. From the given options, select the option which matches with their name correctly.

1. A: Incisor
   B: Canine
   C: Premolar
   D: Molar
2. A: Premolar
   B: Incisor
   C: Molar
   D: Canine
3. A: Molar
   B: Canine
   C: Premolar
   D: Incisor
4. A: Canine
   B: Premolar
   C: Molar
   D: Incisor

Q. How many types of taste sensations do we have?

1. Three
2. Four
3. Five
4. Two

Q.

The plant in the image is the pitcher plant. Which of the following statement(s) regarding the plant is/are correct?

1. It is an insectivorous plant

2. It converts solar energy to chemical energy

3. It digests insects which get trapped in the pitcher shaped leaf modification

4. It grows on soil deficient in nitrogen

Q.

Cuscuta cannot synthesize its own food. It climbs on a different plant for food. The plant on which it climbs is called a ____ .

1. host

2. symboint

3. parasite

4. none of these

Q. Which of the following is/are parasitic plant(s)?

1. Cuscuta
2. Loranthus
3. Drosera
4. Lichen

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

1. human
2. Cuscuta
3. vulture
4. algae

Q. Drosera burmanii feed on insects to meet their requirement of ________ .

1. nitrogen
2. phosphorus
3. sulphur
4. potassium

Q. Identify the insectivorous plant from the given plants.

1. Orchids
2. Drosera
3. Loranthus
4. Lichen