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Worksheetsبنك الأسئلة
Total questions: 10
Worksheet time: 5mins
Which of the following creatures should be the least numerous in the following pyramid of numbers: (Rabbit - Grass - Hawk - Gazelle)?
Hawk
Gazelle
Rabbit
Grass
Which of the following represents a mating that results in tall plants only, knowing that (T) represents tall and (t) represents short?
TT × tt
Tt × TT
Tt × tt
Tt × Tt
A plant can be pollinated if its pollen comes from...
Another plant of the same type
Another different plant
From its parents
From either parent but not both
From the class of birds:
Rabbit
Pigeon
Gazelle
Grass
Which of the following creatures should be the least numerous in the following pyramid of numbers: (Rabbit - Grass - Hawk - Gazelle)?
Hawk
Gazelle
Rabbit
Grass
What controls the genetic traits in living organisms?
Plasma membrane
Genes
Cell wall
Mitochondria
Both pigeons and bats share which of the following?
Laying eggs
Constant temperature
Absence of a urinary bladder
From the class of birds
A son can inherit traits from:
Only from the father
Only from the mother
From both mother and father
From either parent but not both
How can one distinguish between homozygous and heterozygous genes?
Homozygous has two identical genes (TT)
Homozygous has one T and one t
Heterozygous is found only on the same chromosome
Heterozygous comes only from the mother
Living organisms with genetic traits differ from those with pure traits in that they carry:
Identical genes for each trait
Different genes for each trait
Only dominant genes
Only recessive genes
