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problem 1: What will most likely occur if the human population persists to grow at present rates?

a) There will be some natural resources accessible for future generations.
b) There will be a raise in the nitrogen levels in the atmosphere.
c) There will be a fall in the water pollution.
d) There will be a raise in the number of strong hurricanes.

problem 2: A sea turtle has washed up on the remote section of a beach. This is termed as a ‘stranding’. Stranding takes place when a dead, sick or injured sea turtle washes up on the shoreline. Name statement best describes why ‘stranding’ must be reported instantly to local authorities?

a) The information can be much helpful to biologists and managers who are trying to protect the species.
b) The information can be much helpful to protect sea turtles from the predators.
c) The information can be much helpful to local fishermen who try to catch fish which sea turtles eat.
d) The information can be much helpful to tourists who might want to keep sea turtles as the pets.

problem 3: The strand of DNA has following bases:

AGC CAT GTA TAC

Name the complementary DNA strand?

a) ACG GAT CTA TAG
b) TCG GTA CAT ATG
c) TGC CTA GAT ATC
d) UCG CUA CAU AUG

problem 4: The strand of DNA has following bases:

AGC CAT GTA TAC

prepare down the complementary DNA strand?

a) ACG GAT CTA TAG
b) TCG GTA CAT ATG
c) TGC CTA GAT ATC
d) UCG CUA CAU AUG

problem 5: Which statement best describes the relationship which exists among proteins, DNA and cells?

a) Proteins join to produce cells, which produce the DNA.
b) Proteins are made of DNA that finds out the cells which are produced.
c) DNA is made up of proteins that tell a cell how to function.
d) Cells have DNA that controls the production of proteins.

problem 6: Why is meiosis significant for the sexual reproduction?

a) It permits the zygote formed from fertilization to have triple the chromosome number of the organism.
b) It permits gametes to contain twice the original number of chromosomes of the organism.
c) It permits gametes to contain half the original number of chromosomes of the organism.
d) It permits the zygote formed from fertilization to contain half the original number of chromosomes of organism. 

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  • Category:- Biology
  • Reference No.:- M99009

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