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Tenth Grade (Grade 10) Biology Questions

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Grade 10 :: Ecology by der1228
Grade 10 :: DNA, RNA, and Genetics by PMISIAS
Polygenic traits are
  1. controlled by two or more genes
  2. controlled by one gene
  3. controlled by polygons
  4. controlled by at least 3 genes
Grade 10 :: Zoology by HomeSchooler1001
Grade 10 :: DNA, RNA, and Genetics by MarcBeinder
What is the role of hydrogen bonds in the structure if DNA?
  1. to code for proteins
  2. to synthesize proteins
  3. to separate the strands
  4. to connect the base pairs
Grade 10 :: Evolution by PMISIAS
How can temporal isolation lead to speciation?
  1. If two populations do not like each other, this may lead to the formation of a separate species
  2. If two populations reproduce in different ways, this may lead them to become separate species
  3. If two populations are separated by a geographic barrier, this will cause them to reproduce with other members of their own species which may them to become separate species
  4. If two populations reproduce at different times, they are unlikely to reproduce with each other which may cause them to become separate species
Grade 10 :: DNA, RNA, and Genetics by edukingdom
The molecule shown in the diagram shows what kind of structure?
DNA
  1. multi-strand
  2. ladder
  3. double helix
  4. double vertex
Grade 10 :: Cell Structure and Function by DSnamor
What type of cell undergoes binary fission as its type of cell division?
  1. a prokaryotic cell
  2. a plant cell
  3. an animal cell
  4. an eukaryotic cell
Grade 10 :: Ecology by danderlik
Which of the following best represents the flow of energy in a biome?
  1. Food chain
  2. Food web
  3. Energy pyramid
  4. Food circle
Grade 10 :: Evolution by MarcBeinder
The papaya mealybug is a pest that poses a threat to many tropical plants. Which fate of the mealybug would result from the inability of the species to reproduce?
HINT : EVOLUTION
  1. The species would mutate
  2. The species would increase
  3. The species would become extinct
  4. The species would continue to thrive
Grade 10 :: DNA, RNA, and Genetics by MarcBeinder
A strand of DNA is exposed to intense heat. Which of these BEST describes what will happen to the strand of DNA?
  1. The chemical bonds of the DNA molecule will be broken
  2. More nitrogen base pairs will add on to the DNA molecule
  3. The chemical bonds of the DNA molecule will be strengthened
  4. The nitrogen base pairs in the DNA molecule will switch places
Grade 10 :: Anatomical Organization by clperez
Grade 10 :: Zoology by sackjd
Which of the following differentiates insects from crustaceans?
  1. Insects have one pair of antennae and crustaceans have two.
  2. Insects shed their exoskeleton and crustaceans keep theirs for their entire life.
  3. Insects have large claws for defense and crustaceans have small claws for mating.
  4. Insects use their wings to fly and crustaceans use their wings to swim.
Grade 10 :: Zoology by sackjd
What structure do spiders use to breathe?
  1. Spiders have typical mammalian lungs.
  2. Spiders use gills much like fish.
  3. Spiders have book lungs.
  4. Spiders use blood vessels in their skin to exchange gasses.
Grade 10 :: Zoology by sackjd
What is the distinguishing characteristic of the arthropod group known as the chelicerates?
  1. They have an exoskeleton.
  2. They have several pairs of antennae.
  3. They possess claws of some kind.
  4. They reproduce through external fertilization.
Grade 10 :: Zoology by sackjd
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