Five Kingdom Classification

Q.

What do the terms phycobiont and mycobiont signify?

Q.

What is the 3 kingdom classification system?

Q.

Describe various modes of nutrition. [3 MARKS]

Q.

To which kingdom do humans belong?

1. Plantae

2. Animalia

3. Protista

4. Fungi

Q.

Question 28
In a cell, where are the genes located?

Q. Which of these do not find a place in five kingdom classification?

1. Lichen
2. Virus
3. Bacteria
4. Fungi

Q. There exist a close association between algae and fungus within lichen. Fungus ___

1. provides shelter to algae.
2. provides food for algae.
3. fixes the atmospheric nitrogen for algae.
4. release oxygen for algae.

Q.

What is unique about protists?

Q.

Write the differences between prokaryotic and eukaryotic cells?
[5 MARKS]

Q. Organism 'A' does not have a cellular structure but has DNA or RNA as genetic material. Organism 'B' is smaller than the organism 'A' and has free RNA without a protein coat. Both of these organisms A and B do not find a place in the classification system.
Identify the A and B on the basis of the above description.

1. A - Viruses, B - Viroids
2. A - Eubacteria, B - Archaebacteria
3. A - Lichen, B - Fungi
4. A - Monera, B - Protista

Q. There exists a close association between algae and fungi within a lichen. What is the contribution of fungi in lichens?

1. Fixes atmospheric nitrogen for algae
2. Provides food for algae
3. Provides protection to algae
4. Releases oxygen for algae

Q. Compare the system of classification proposed by Ernst Haeckel and Robert Whittaker. Identify the organisms belonging to the kingdom Protista as per Robert Whittaker's system of classification.

1. 
2. 
3. 
4. 

Q.

Is lichen a symbiotic relationship?

Q. Which of the following is the correct sequence of events in the origin of life ?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA - based genetic systems

1. II, III, IV, I
2. I, II, III, IV
3. I, III, II, IV
4. II, III, I, IV

Q.

Anabaena belongs to the kingdom Monera.

1. True
2. False

Q.

What are characteristics of protists?

Q.

According to five kingdom classification given by Whittaker, unicellular prokaryotes are placed in which kingdom?

1. Hooker

2. Whittaker

3. Linnaeus

4. Huxley

Q.

On the basis of the number and arrangement of the flagella, bacteria are classified as

1. True

2. False

3. Peritrichous
4. Nanotrichous

Q.

Question 37
Fill in the blanks with the terms given in the box below:

$\begin{array}{c}Nucleus,chromosomes,cellwall,cellmembrane,protoplasm,cytoplasm,ribosome,cellorganelles\end{array}$

The outermost layer of plant cells is the ___(a)___ beneath which is the___(b)___ . The term ___(c)___ refers to the jelly-like substance containing all the ___(d)___ . The___(e)___ contains thread-like structures called ___(f)___ .

Q. Question 3 (b)
Write short notes on the following.
(b) Nucleus

Q. What is mixotrophic nutrition?

Q.

Give one word for the association between an alga and a fungus in lichen.

Q. Unlike Algae, Euglena

1. do not have pigments.
2. can be heterotrophic.
   
   
3. can move from place to place
4. can synthesise own food

Q. The central dense round body in the centre of cell is called the _________.

1. nucleus
2. centrosome
3. centriole
4. none of these

Q.

Are fungi plants?

Q. Choose the correct option regarding the given assertion and reason.

Assertion [A]: Viruses are classified as living organism.

Reason[R]: They have very simple, cellular structure.

1. Both A and R are correct and R is the correct explanation of A.
2. Both A and R are correct. But R is not the correct explanation of A.
3. Both A and R are incorrect.
4. A is incorrect but R is correct.

Q. Lichen is an organism which shows association of algae and fungi.

1. True
2. False

Q.

Why bacteria and fungi cannot live isolated and live in colonies?

Q.

In _______ alga and fungus have symbiotic relationship.

Q.

what is the mode of nutrition in fungi & algae