Tag: five kingdoms of living organisms

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Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Which do not belong to Protista?

  1. Euglenoids

  2. Zooflagellates

  3. Methanogens

  4. Ciliates
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Unicellular, eukaryotic organisms belongs to the kingdom protista. It includes, chrysophytes, dinoflagellates, protozoans, euglenoids, myxomycetis.
Methanogens are unicellular prokaryotes, belongs to the kingdom monera.
So, the correct option is 'Methanogens'.
Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Read the following statements.

  1. Contractile vacuoles eliminates excess water from the body

  2. Glomerular kidney is present in Fresh water fishes

  3. A glomerular kidney possess less no. of nephrons

  4. Chloride cells are present on the stomach wall of frog
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Contractile vacuoles are membrane-bound cellular organelle found in many microorganisms. These periodically expand and get filled with water and contract, expelling the contents to the exterior of the cell.

These are very important for maintaining the hydrostatic balance of the particular cell.
It is an important feature of Eukaryotic cell especially protozoa and it plays important role in osmoregulation.
The correct option is 'Contractile vacuoles eliminates excess water from the body'

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Protista includes ________________.

  1. Eutaryotic organisms

  2. Autotrophic in nutrition

  3. Heterotrophic in nutrition

  4. All organisms which show locomotion
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Kingdom Protista includes Eukaryotes can be unicellular or multicellular. they produce sexually or asexually  eg. Plasmodium( cause malaria) , Ameoba.
  • Autotrophic organism creat their own food by fixing carbon .  kingdom Plantae includes all unicellular or multicellular autotrophic organism.

  • Heterotrophic organism obtain their food from organic sources , hence kingdom Fungi and kindom Animalia  includes heterotrophic organism.
  • so the correct answer is "eukaryotic organism".

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Protista includes

  1. Eukaryotic organisms

  2. Autotrophic in nutrition

  3. Heterotrophic in nutrition

  4. All organisms which show locomotion
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A protist is any eukaryotic organism that is not an animal, plant or fungus. The protists do not form a natural group, or clade since they exclude certain eukaryotes; but, like algae or invertebrates, they are often grouped together for convenience. 

So the correct option is 'Eukaryotic organism'.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Find the incorrect match

  1. Whirling whips ---- Peridinin

  2. Soap box protistans -------- Leucosin

  3. Photosynthetic spindle protistans -------- Chrysolaminarin

  4. Protistan fungi -------- Fat droplets
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Diatoms are protistand in which the cell walls form two thin overlapping shells, which fit together as in a soap box. The walls are embedded with silica. 

So, the correct option is 'Soap box protistans -------- Leucosin'.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

The protists have 

  1. only free nucleic acid aggregates

  2. membrane bound nucleoprotein lying embedded in the cytoplasm

  3. gene containing nucleoproteins condensed together in loose mass

  4. nucleoprotein in direct contact with the rest of the cell substance
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Protists have a membrane-enclosed nucleus and membrane-enclosed organelles. This nucleus is embedded in the cytoplasm. They may be single or many in number and the nucleus has a membrane covering called the nuclear envelope with pores over it. 

So, the correct option is 'membrane-bound nucleoprotein lying embedded in the cytoplasm'.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Kappa-particles show

  1. Cytoplasmic inheritance

  2. Nuclear inheritance

  3. Nucleo-cytoplasmic inheritance

  4. Mutation
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cytoplasmic inheritance, also known as extranuclear inheritance is actually the transmission of genes that occurs outside the nucleus. Kappa particles show cytoplasmic inheritance. Here phenotype not only depends on the cytoplasm but also on the genetic material of the nucleus.

The correct answer is A.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Two species of Amoeba X and Y were kept in fresh water and got adapted. Species X developed contractile vacuole. When both were transferred to sea water and got adapted, both X and Y lost their contractile vacuole. From these observations, we conclude that

  1. Both X and Y are marine species

  2. Species Y is marine and X is fresh water

  3. Species X is marine and Y is fresh water

  4. Both X and Y are fresh water
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Contractile vacuoles are used by freshwater protozoa to expel excess water. Since species X had one in fresh water but lost it in sea water, it is adapted to fresh water. Species Y did not have one in fresh water, suggesting it is already adapted to marine environments.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Which of the following is a major evolutionary advance exhibited by protozoan cell in contrast with a bacterium?

  1. Formation of permeable cell membrane

  2. Presence of nucleus

  3. Presence of extensive system of cytoplasmic organelles

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Monerans are prokaryotic organisms. They lack a well-developed nucleus and cell organelles. But, on the contrary, protozoa have a well-developed nucleus and are eukaryotic organisms. Bacteria have a cell wall made of cellulose and chitin. Bacteria lack a cell membrane. 

So, option D is the correct answer.

Multiple choice biology the world of microbes protista protozoa five kingdoms of living organisms

Which protistian structure is not correctly matched with its function?

  1. Pseudopodia- movement and feeding

  2. Cyst- reproductive structure

  3. Eyespot- light detection

  4. Trichocyst- defense and capture of prey
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An organism in it's dormant stage is called a cyst. In these conditions, an organism is inactive and does not perform any daily activities. Thus, they help the organisms survive in unfavourable conditions.

So, option B is the correct answer.