Tag: biology

Questions Related to biology

Which of the following is a group which has only multicellular heterotrophic organisms?

  1. Fungi

  2. Algae 

  3. Protozoa

  4. All of the above


Correct Option: A
Explanation:

Fungi are the multicellular eukaryotic organisms. The kingdom Fungi has only heterotrophic organisms.

A. Fungi are heterotrophic.
B. Algae come under kingdom Plantae and they are mostly autotrophic.
C. Protozoa come under kingdom Protista which has unicellular organisms that are both autotrophic and heterotrophic.
Hence, the correct answer is 'Fungi'.

What happens as one moves from kingdom to species ?

  1. common characters decrease

  2. special characters increase

  3. closely related individuals come together

  4. All are correct


Correct Option: A

Classification of kingdom plantae includes

  1. Bryophytes, pteridophytes, angiosperms, gymnosperms

  2. Angiosperms, gymnosperms

  3. Bryophytes, pteridophytes

  4. Gymnosperms, pteridophytes


Correct Option: A
Explanation:

The Kingdom Plantae is also called as kingdom Metaphyta. The kingdom Plantae includes all types of eukaryotic, multicellular, photosynthetic plants found in this biosphere.

It includes bryophytes, pteridophytes, angiosperms, and gymnosperms.
This kingdom includes all types of plants like herbs, shrubs, trees, creepers, climbers, aquatic plants, desert plants, mountain plants, flowering, and nonflowering plants, etc.

Which of the following statements is correct about the kingdom Plantae?

  1. They are multicellular eukaryotes

  2. They are usually autotrophic

  3. Their cells have cell wall, made up of cellulose

  4. All of the above


Correct Option: D
Explanation:

The kingdom Plantae includes all plants i.e., trees, grasses, ferns and mosses, They are multicellular eukaryotes. They have nucleated cells. They have cell organelles like mitochondria and chloroplast. They contain chlorophyll and are capable of making their own food in presence of sunlight. So, they are called autotrophs. Their cells have distinct cellulose wall that other organisms lack. 

So, the correct answer is option D.

Most primitive member in which roots are not present is ____________.

  1. Psilotum

  2. Rhynia

  3. Lycopodium

  4. Selaginella


Correct Option: B
Explanation:
Rhynia is a single-species genus of Devonian vascular plants. Rhynia is more primitive than Psilotum and both lack true roots. 
So, correct answer is Rhynia.

Algae can be described as

  1. Autotrophic and chemosynthetic

  2. Autotrophic and photosynthetic

  3. Heterotrophic and photosynthetic

  4. Heterotrophic and chemosynthetic


Correct Option: B
Explanation:

Algae is the group of organisms which is comprised of the unicellular and the multicellular organisms. These organisms possess the chlorophyll pigments which help in the trapping of the solar energy. The plants can perform photosynthesis and prepare their own food. The plants are autotrophic and have the ability to produce their own food.

So, the correct answer is 'Autotrophic and photosynthetic'

Write the correlation.
Protista : Euglena : : Plantae : :

  1. Amoeba

  2. Paramoecium

  3. Green plants

  4. Bacteria


Correct Option: C
Explanation:

  • Euglena is an example of an organism belonging to the kingdom Protista. All green plants are included in the kingdom Plantae.

Therefore, the correct answer is option C.

Kingdom plantae include which of the following sub-kingdoms?

  1. Cryptogams and phanerogams

  2. Cryptogams and Porifera

  3. Thallophyta and Bryophyta

  4. Pteridophyta and Thallophyta


Correct Option: A
Explanation:

Cryptogams and phanerogams are the two sub-kingdoms of kingdom plantae.
Porifera is phylum of kingdom Animalia. Thallophyta, Bryophyta and Pteridophyta are the division of kingdom plantae.

Thus option A is correct.

Kingdom Plantae includes organisms that are

  1. Unicellular and eukaryotic

  2. Multicellular, eukaryotic and saprophytic

  3. Multicellular, eukaryotic and autotrophic

  4. Multicellular, eukaryotic and heterotrophic


Correct Option: C
Explanation:

Kingdom Plantae includes all multicellular eukaryotic organisms containing chlorophyll. They are autotrophs as they can make their own food with the help of solar energy. The cell wall of plants comprises of cellulose. They have the ability to grow by cell division. They lack motility. Thus, the correct option is C.

Which of the following statements about the distinction between plants and animals is false?

  1. Plants have cell wall made up of cellulose.

  2. Plants have intermediate larval stages.

  3. Plants are extensively branched.

  4. Animals are heterotrophic.

  5. All of the above.


Correct Option: B
Explanation:

Plants and animals though both livings are different in many ways. On considering the cell though the function is the same but structure is different, the plant cell has chloroplast which contains the green pigment chlorophyll. Besides this, the plant cell has a cell wall and large vacuole which are absent in  animal cells. However, in respect to the life cycle of plants and animals, many animals go through larval stages before they metamorphose into adults whereas plants do not have a larval stage. Thus, the correct answer is option B.