Why is maize grain usually called as a f | Class 11 Biology Chapter Morphology of Flowering Plants, Morphology of Flowering Plants NCERT Solutions

Define a taxon. Give some examples of taxa at different hierarchical levels.

What are the steps involved in formation of a root nodule?

Name a plant which lacks chlorophyll. How will it obtain nutrition?

Special venous connection between liver and intestine and between kidney and intestine is found in frog, what are they called?

In Bryophytes male and female sex organs are called ____________ and __________.

How many times do nymphs moult to reach the adult form of cockroach?
 

How does water moves within the root?
 

Which of the following is correct:
(a) Cells of all living organisms have a nucleus.
(b) Both animal and plant cells have a well defined cell wall.
(c) In prokaryotes, there are no membrane bound organelles.
(d) Cells are formed de novo from abiotic materials.

Where is the hunger centre located in human brain?

Write the appropriate type of tissues in column B according to the functions mentioned in column A.
Column A Column B
a. Secretion and absorption i. ____________________
b. Protective covering ii. ____________________
c. Linking and supporting iii. ____________________ framework