Interaction & Interdependence C.6 Integration of Body Systems

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1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which hormone is secreted by the glkuaa8v9 /oo8uli2 gn gk+v65land labeled X?

A. Leptin

B. Thyroxine

C. Progesterone

D. Melatonin

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is a function of auxin efflux pu c3unr60cdtg: n /u-pbpsxy/*mps?

A. To move auxin upwards in a stem

B. To move auxin to the shaded side of a stem

C. To move auxin to the sunny side of a stem

D. To move auxin into flowers

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of these statements does n 0pqa;j( sy6+w tggi.cv)q7xrot relate to peristalsis?

A. Longitudinal muscle and circular muscles work together.

B. Longitudinal muscle prevents the bolus from moving backwards.

C. Longitudinal muscle moves the bolus along the alimentary canal.

D. Bolus is mixed with enzymes.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following gikenz7w i k561dves the correct hierarchy of body subsystems?

A. Tissues → cells → organs → organ systems → organism

B. Cells → tissues → organs → organ systems → organism

C. Tissues → cells → organ systems → organs → organism

D. Organism → cells → tissues → organs → organ system

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Why do multicellular organisms exhibit emergent propervazb4 mk*d9h4 ties?

A. All the cells of multicellular organisms have the same function.

B. All the cells of multicellular organisms have the same function.

C. Cells of multicellular organisms interact with one another.

D. Cells of multicellular organisms have similar structures.

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement defin 81qgs:eh9mq:4(82nhi gtv p-cbhkl b es tropisms in plants?

A. Growth of a plant away from gravity

B. Growth of a plant in response to a change in day length

C. Growth of a plant towards light

D. Growth of a plant towards or away from a stimulus

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the labels (A-D) points tofk )nxwc0p wg927 vin1 the cerebellum on the diagram of the brain belovxw)kw1gi 9pnn072cf w?

A. B. C. D.

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement correctly describes the role of auxi cn tv+ay;3.vfn in phototropism?

A. High concentrations stimulate cell elongation in the stem.

B. Low concentrations stimulate cell elongation in the stem.

C. High concentrations inhibit cell division in the stem.

D. High concentrations inhibit cell division in the stem.

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement identifies th xc84 91wjeizae direct effect of auxin?

A. Development of leaves

B. Stimulates meiosis

C. Inhibits flowering

D. Changes gene expression

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a person is frightened, various changes in the body occur. W7 b/2otd;ki.v:cs ddrhich of the following are invocdvk:7/rd2stbo id ;. lved in this fight or flight response?
I. Transmembrane receptors
II. The endocrine system
III. The autonomic nervous system

A. $I$ only

B. $ I$ and $II$ only

C. $II$ and $III$ only

D. $I$, $II$ and $III$

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statements about i4z, 7.8b xzyyhlp;wrunicellular and multicellular organisms are correct?

A. Unicellular organisms is They only reproduce asexually ; Multicellular organisms is Contains differentiated cells

B. Unicellular organisms is Consist of only one cell ; Multicellular organisms is All cellular processes are carried out by one organelle

C. Unicellular organisms is Can reproduce sexually ; Multicellular organisms is They have emergent properties

D. Unicellular organisms is Contains differentiated cells ; Multicellular organisms is Can reproduce sexually

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Plant shoots detect and respond to light. What plant protein deu5 pcn:(nn p)ktects light, and w:p n u)nnpk(5chat mechanism initiates the response?

A. Protein is Auxin ; Mechanism is Triggers movement of phototropins

B. Protein is Auxin ; Mechanism is Inhibits cell elongation

C. Protein is Phototropins ; Mechanism is Triggers movement of auxin

D. Protein is Phototropins ; Mechanism is Stimulates cell elongation

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which sequence shows the route taken by auxin from its produl4hn,zrt9l f3 bue* wy+sl0 4kction to its role in 4lf3*ezlk4rn,0s9ybht+w luphototropism?

A. Step 1 is Produced in meristem ; Step 2 is Moves to shaded side ; Step 3 is Inhibits cell elongation

B. Step 1 is Produced on shady side ; Step 2 is Changes gene expression ; Step 3 is Promotes cell elongation

C. Step 1 is Produced on shady side ; Step 2 is Changes gene expression ; Step 3 is Inhibits cell elongation

D. Step 1 is Produced in meristem ; Step 2 is Moves to shaded side ; Step 3 is Promotes cell elongation

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14#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

The diagram represents a stem tip and the position of the Sunpv(jjw6k 8h9o5yw w- fk v+ycg*s; gqlp/q/,j.

1.On the diagram above, draw an arrow to indicate the direction of movement of auxin.
2.（1）State the term used to describe the directional growth of a plant in response to light.
（2）Outline how this process affects growth in the stem tip.

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

What is an example of an emergent phh0k73g(s7 rcz b2eu ue*d0hjroperty?

A. A unicellular organism uses active transport to absorb nutrients.

B. A retinal cell detecting changes in light intensity.

C. The endocrine and nervous system working cooperatively to respond to the environment.

D. A single muscle cell contracting.

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16#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

Hormones can be used as medical treatments in some situatu 1w,n :pxm-q,y5x uidions.
1.Name the hormone that can be used to treat jet lag and state its effect on the body.
2.Outline two uses of hormones in IVF.

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Explain how peristalsis moves fql khn+)a oo-;ood along the digestive tract
2.Outline the role of enzymes located in the small intestine.
3.Describe the digestion of lipids and absorption of the products in the small intestine.

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The graph shows the circadian rhythm in body t 3/ 0wo i*dz;bd0 o getnr0:)emwj0lrkemperature of an individual under their normal light-dark cycle and after expowoow 0rl ig z/e*dt;03jdmbk r 0en0):sure to a 1-hour pulse of 1000-lux light at their typical bedtime.

Which statement correctly describes the event responsible for the change in the rhythm of body temperature after exposure to light?

A. The secretion of melatonin from the thyroid gland was elevated by light exposure.

B. The secretion of melatonin from the pineal gland was suppressed by light exposure.

C. The secretion of thyroxin from the thyroid gland was elevated by light exposure.

D. The secretion of thyroxin from the pineal gland was suppressed by light exposure.

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19#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Outline how treading on a drawing pin can bring about the reflex of l1u(;8e53n n zq amsowabx5m*kifting the bo(n *kmsx8ea3wmq1a5 5nz ;u foot.
2.Describe how the cerebellum exerts overall control over the voluntary movements of the body.
3.Explain how melatonin plays a part in the control of circadian rhythms.

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20#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

The autonomic nervous system helps regulate the control of hev.p :ukw/i :nspe ntwupcd9m2;u5v e7-.w + irart rate. Below is a diagn .up9cuep-vp ;ndsktu/7i.:w5r+ v:2w miweram of the human brain.

1.State the name of the part of the brain that is involved in the control of heart rate.
2.Baroreceptors and chemoreceptors play an important role in this control. Compare and contrast how these two types of receptors help with the regulation of heart rate.

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