Question
Which structures in pteridophytes produce spores by
meiosis?Solution
Sporangia in pteridophytes are structures that produce spores by meiosis. These spores germinate to develop into the photosynthetic thalloid gametophyte.
In angiosperms, double fertilization involves:
In roots, the protoxylem lies towards the periphery and the metaxylem towards the center. This arrangement of primary xylem is called ____________.
Which of the following is a recessive trait for garden pea plant ?
Sugarcane is classified as a:
Which substance is secreted by the liver?
Which of the following statement is correct about cells?
I. Cell membrane is absent in plant cell
II. Cell wall is present in animal cell
How many types of plant tissues are there?
The process of mineralization releases:
Which organelle is responsible for producing ATP in a cell?
Which of the following statements is incorrect about dietary fibres?
