Which of the following functions of the body are nephrons associated with?
Circulation
Digestion
Excretion
Reproduction
Respiration
Correct answer is C
No explanation has been provided for this answer.
Which of these is NOT part of a seed?
Cotyledon
Embryo
Endosperm
Pericarp
Testa
Correct answer is D
Pericarp: the part of a fruit formed from the wall of the ripened ovary.
The topmost layer of a typical soil profile is
clay
coarse sand
fine sand
gravel
humus
Correct answer is E
No explanation has been provided for this answer.
A dehiscent fruit formed from several fused carpels with man seeds is classified as a/an
achene
capsule
caryopsis
follicle
legume
Correct answer is B
No explanation has been provided for this answer.
Liver destroys old red blood cells to produce digestive substance called
amalyse
bile
insulin
lipase
rennin
Correct answer is B
No explanation has been provided for this answer.
What will the phenotypic ratio when a tall pea plant (TT) is crossed with a short pea plant (Tt)?
0:04
1:03
2:02
3:01
4:00
Correct answer is E
The phenotypic ratio will be two homozygous tall and two heterozygous tall...
That implies that all four offsprings will come out tall.
Loamy soil - is used for crop production because of its
high humus content
high percentage of clay
high porosity
low gravel content
low humus content
Correct answer is A
No explanation has been provided for this answer.
Which of these is a courtship behavior in toad?
Display of body parts
Display of color
Pairing
Production of scent
Territoriality
Correct answer is C
No explanation has been provided for this answer.
The following practices are adopted in the conservation of tropical rain forest EXCEPT
afforestation
creation of game reserve
creation of forest reserve
re-afforestation
deforestation
Correct answer is E
No explanation has been provided for this answer.
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