Biology Paper 2 Revision

Beschreibung

Revise these for your paper 2 Biology exam, only topics i am unsure about and need help remembering.
Breanna M
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Breanna M
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Zusammenfassung der Ressource

Frage 1

Frage
What is the role of Progesterone?
Antworten
  • It causes a mature egg to be released.
  • It stimulates the production of FSH and causes an egg to mature.
  • It maintains the lining of the uterus, then causes it to break down and inhibits the production of LH and FSH.

Frage 2

Frage
What is the role of FSH?
Antworten
  • It causes an egg to mature in an ovary and stimulates the production of oestrogen.
  • Inhibits the production of oestrogen and stimulates LH.
  • It causes the lining of the uterus to break down and inhibits LH.

Frage 3

Frage
What is the role of Oestrogen?
Antworten
  • It causes a mature egg to be released.
  • Inhibits FSH so only one egg matures and stimulates the production of LH, as well as causes the lining of the uterus to grow.
  • Stimulates the production of Progesterone.

Frage 4

Frage
What is the role of LH?
Antworten
  • It causes a mature egg to be released from the ovary.
  • It inhibits the production of FSH so only one egg matures.
  • Breaks down the lining of the uterus.

Frage 5

Frage
The order of efficiency of these forms of contraception (from most to least) goes: Implant Injection Patch
Antworten
  • True
  • False

Frage 6

Frage
DIABETES TYPE [blank_start]ONE[blank_end] The Pancreas produces [blank_start]little or no insulin[blank_end]. They need [blank_start]injections[blank_end] of insulin throughout the day, especially at [blank_start]meal times[blank_end]. You also need to have a [blank_start]balanced diet[blank_end] and [blank_start]exercise[blank_end] regularly.
Antworten
  • little or no insulin
  • injections
  • meal times
  • balanced diet
  • ONE
  • exercise

Frage 7

Frage
DIABETES [blank_start]TYPE TWO[blank_end] When a person becomes [blank_start]resistant to their own insulin[blank_end] which could lead to a rise in sugars, which is dangerous. Being overweight is a [blank_start]risk factor[blank_end] (obesity). To control it, have a healthy [blank_start]balanced diet[blank_end] and exercise regularly.
Antworten
  • TYPE TWO
  • resistant to their own insulin
  • risk factor
  • balanced diet

Frage 8

Frage
NEAR OBJECTS Cillary muscles [blank_start]contract[blank_end]. [blank_start]Suspensory ligaments[blank_end] relax. Lens becomes [blank_start]curved[blank_end]. [blank_start]Increased[blank_end] amount of refracted light.
Antworten
  • contract
  • relax
  • Suspensory ligaments
  • radial muscles
  • curved
  • thin
  • Increased
  • Decreased

Frage 9

Frage
FAR OBJECTS [blank_start]Cillary muscles[blank_end] relax. Suspensory ligaments [blank_start]contract[blank_end]. The lens becomes [blank_start]thin[blank_end]. Decrease in light [blank_start]refracted[blank_end].
Antworten
  • Cillary muscles
  • Circular muscles
  • contract
  • relax
  • thin
  • thick
  • refracted
  • reflected

Frage 10

Frage
Kevin - [blank_start]Kingdom[blank_end] Plays - [blank_start]Phylum[blank_end] Clarinet - [blank_start]Class[blank_end] Or - [blank_start]Order[blank_end] Flute - [blank_start]Family[blank_end] Gross - [blank_start]Genus[blank_end] Sounds - [blank_start]Species[blank_end]
Antworten
  • Kingdom
  • Phylum
  • Class
  • Order
  • Family
  • Genus
  • Species

Frage 11

Frage
What are the three plant hormones?
Antworten
  • Auxin, Gibberellin and Ethene.
  • Auxin, Gibberellin and Ethane.
  • Glucose, Gibberellin and CO2.

Frage 12

Frage
What does Ethene do?
Antworten
  • It causes the plants to smell nice.
  • It stimulates the ripening of fruit.
  • It causes the plants to grow towards the light.

Frage 13

Frage
What does the Gibberellin do?
Antworten
  • It stimulates ripening of fruit.
  • It causes the plant to bend.
  • It stimulates seed germination, stem growth and flowering.

Frage 14

Frage
What does Auxin do?
Antworten
  • It controls growth.
  • Stimulates seed germination, stem growth and flowering.
  • It stimulates the ripening of fruit.

Frage 15

Frage
Mendel's pea plant conclusions: 1. [blank_start]Characteristics[blank_end] determined by [blank_start]hereditary[blank_end] units. 2. These are passed into the [blank_start]offspring[blank_end]. 3. Hereditary units can be [blank_start]dominant[blank_end] or [blank_start]recessive[blank_end].
Antworten
  • Characteristics
  • offspring
  • hereditary
  • dominant
  • recessive
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