Plant Kingdom

Q: Identify the organism based on the following descriptions:1) It belongs to Thallophyta and is a unicellular alga.2) It is often considered a superfood due to its high protein and antioxidant content.3) This organism is also used as a food supplement by many astronauts.

Chlorella is a unicellular green alga. It is a rich source of protein. Almost 60% of its body weight is proteins. It is available in the form of tablets, capsules, and powder and many space travellers consume it as a food supplement.Hence, the correct option is 'B'.

Q: In all gymnosperms, seeds are exposed to the outside environment.

Gymnosperms (Gymnos - naked; Sperma - seed) means naked seeds. This means that the seeds are not enclosed by ovary wall. However, in many plants, like in Pinus spp., the seeds are present inside cones and hence they are not directly exposed to the outside environment.

Q: Identify the fake moss.

Cladonia is commonly known as Reindeer moss which is actually a lichen. All the others are mosses.Hence, option 'C' is correct.

Solve Study Textbooks Guides

Use app

Common Misconceptions

3 min read

- Clear the fog of misconceptions and get a clarity of concepts.

Not All Algae are Harmful or Toxic

Many consider that algae are very toxic and can cause many types of diseases to humans as well as many animals. But this is not completely true. There are many algae that are utilized for various purposes and some are even edible, like Chlorella. Amazing! isn't it? Also, Chlorella is considered to be a superfood as it contains a lot of antioxidants. It is a rich source of proteins, vitamins and minerals too. It is available in form of power, tablets or capsules. Check out this video to find more about the importance of Chlorella.

What is Chlorella, and Why Should You Take it

5 mins

Identify the organism based on the following descriptions:
1) It belongs to Thallophyta and is a unicellular alga.
2) It is often considered a superfood due to its high protein and antioxidant content.

3) This organism is also used as a food supplement by many astronauts.

Volvox

Chlorella

Spirogyra

Porphyra

View solution

Stating Gymnosperms As "Naked Seeds" Can Be Perceived Wrongly

The seeds of gymnosperms are termed 'naked' as these are not covered by any ovary wall and remain exposed. Due to this, it is assumed that seeds are completely exposed to outside which is not always the case. The degree of exposure of seeds in gymnosperms varies among the various classes of gymnosperms. For instance, Ginkgo seeds are naked during the early stage of their development while, in case of Pinus species, they remain closed in cones.

In all gymnosperms, seeds are exposed to the outside environment.

True

False

View solution

Moss Fakers!!

There are several plants with the name "moss" associated with them, but not all of them are mosses. For instance, Reindeer moss is a lichen, Spanish mosses are angiosperms and Club mosses are ferns in true sense. Check out the given illustration and clear the misconception.

Identify the fake moss.

Polytrichum

Sphagnum

Cladonia

Funaria

View solution