The reagent used in testing for carbon (IV) oxide is
copper sulphate solution
lime water
hydrochloric acid
sodium hydroxide solution
Correct answer is B
No explanation has been provided for this answer.
The diagram below is an illustration of a part of a flower. Study it and answer the question below.
unfused stigma
fused style
fused ovaries
unfused anther
Correct answer is C
No explanation has been provided for this answer.
The diagram is an illustration of a part of a flower. Study it and answer the question below.
The function of the part labeled I is
receiving the pollen grain
attract pollinators
germination of the pollen grain
site for double fertilization in the plant
Correct answer is B
Petals (collectively called the corolla) are also sterile floral parts that usually function as visually conspicuous elements serving to attract specific pollinators to the flower.
What happens when the ciliary muscles of the eye contract? The
lens become more concave
lens become more convex
lens gets a longer focal length
suspensory ligament becomes tight
Correct answer is C
No explanation has been provided for this answer.
The part of the central nervous system that controls unconscious actions in humans is the
cerebellum
cerebrum
spinal cord
optic nerves
Correct answer is C
The three primary roles of the spinal cord are to send motor commands from the brain to the body, send sensory information from the body to the brain, and coordinate reflexes.
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