Which of the following correctly summarizes the life cycle of the fern plant?
Spore → prothallus → thallus → sporangium
Male and female gamentangia → zygospores → sporangium → spores
Spore → thallus → spermatozoa + ovum → sporangium
Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
Correct answer is D
No explanation has been provided for this answer.
A tissue can best be defined as
an aggregate of similar cells
an aggregate of cells performing a similar function
an aggregate of similar cells performing the same function
a mixture of different cell types performing the same function
Correct answer is B
No explanation has been provided for this answer.
The organelle involved in tissue respiration is the
endoplasmic reticulum
ribosome
golgi body
mitochondrion
Correct answer is D
No explanation has been provided for this answer.
Nitrogen- fixing micro-organisms in leguminous plants live symbiotically in the
root nodules
tap root
branch roots
root hairs
Correct answer is A
No explanation has been provided for this answer.
Fertilizers are lost from the soil through
sheet erosion and evaporation
leaching, underground seepages, and run-off
sheet erosion, gully erosion, and wind erosion
wind erosion and heavy rainfall
Correct answer is B
No explanation has been provided for this answer.