Which of the following processes converts nitrates in the soil to atmospheric nitrogen?
Denitrification
Lightning
Nitrification
Putrefaction
Rainfall
Correct answer is A
No explanation has been provided for this answer.
Which of these is a simple dehiscent fruit?
Achene
Cypsela
Legume
Nut
Samara
Correct answer is C
No explanation has been provided for this answer.
The male reproductive part of a flower is made up of
anther and filament
ovary and ovule
ovule and style
stigma and filament
style and stigma
Correct answer is A
No explanation has been provided for this answer.
The type of placentation found in tomato fruit is called
axile
bisal
free central
marginal
parietal
Correct answer is A
Axile placentation is found in bicarpellary to multicarpellary syncarpous ovary. The carpels fuse to form septa forming a central axis and ovules are arranged on the axis.
Exoskeleton is a characteristic feature of
amoeba
earthworm
hydra
millipede
tapeworm
Correct answer is D
No explanation has been provided for this answer.