NEW
Font size
WorksheetsSA1 2020/2021 Preparation
Total questions: 15
Worksheet time: 4hrs 45mins
Vero experiment's performed on plants to see how different liquids affect plant growth.
Each plant in the experiment is given a different liquid; water, apple juice, or milk.
Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
The type of plant
The type of plant
The type of music
The type of liquid
If Gerald use fertilizer to grow the plan, then the plant grow faster.
What is the dependent variable?
The amount of fertilizer
The plant grow faster
The amount of water
The type of fertilizer
From the data, which of the following would be a valid conclusion for this experiment?
Rose bushes grow in blue light
Rose bushes grow tallest in green light
Rose bushes grow in no light
Rose bushes grow in white light
The diagram represents a flower, the reproductive structure of some plants.
Which structure is represented by a number 6 and 7 in the diagram?
The pistil, a female structure which collects pollen and passes it to the ovary
The petals, decorative structures which attract pollinators
The sepal, a modified leaf used for protection of the flower
The stamen, a male structure which produces pollen
I have large petals and are usually brightly colored.
How am I pollinated?
By myself
By water
By wind
By insects
Which is true about Asexual reproduction?
Two types of gametes are involved
Offspring are genetically identical to their parent
New plants grow from seeds
Insects are needed to transfer pollen
These are all underground stems, the "eyes" grow into new roots and shoots to grow a new plant.
What types of asexual reproduction for those plant ?
Runners
Leaves
Stems
Tubers
Which of the following alleles is homozygous recessive?
Cc
GG
mm
Gc
The correct statements about mitosis, except ...
The purpose is for growth and to replace worn out cells
Produce four daughter cells
Produce two identical daughter cells
Nuclear division in eukaryotic cells
B=brown eyes
b= blue eyes
What is true about these two brothers that have brown eyes? One has homozygous dominant and the other heterozygous.
They have same phenotype and genotype
They have different genotypes and phenotypes
They have same phenotype but different genotypes
They have same genotype but different phenotypes
In cacti, long arms (A) are dominant to short arms (a). Suppose 2 heterozygous cacti are crossed.
What percentage of their offspring are expected to have short arms?
25%
50%
75%
100%
Which of the following traits of a dog is inherited from its parents?
The presence of fleas in its fur
The color of its fur
The habit of barking to go outside
The ability to sit up and beg
The true statement about female secondary sexual characteristics is ...
The Adam's apple becomes prominent
The hips grow wider
Facial hair grows
Voice becomes deeper
The diagram below represents a system in the human body. The function of structure X is to ...
Produce energy needed for sperm to move
Provide food for the sperm to carry to the egg
Produce sperms and male sex hormones
Produce and store urine
The true statement about sperm cell and egg cell are shown by the letter ...
A
B
C
D
