Interaction & Interdependence C.6 Integration of Body Systems

?作业考试练习?IB生物学?Interaction & Interdependence C.6 Integration of Body Systems

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习题练习：Interaction & Interdependence C.6 Integration of Body Systems

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which hormone is secreted by the gland labeled Xb *j8ae6xwk1 s?

A. Leptin

B. Thyroxine

C. Progesterone

D. Melatonin

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following is a functit kafj8p h4/4hon of auxin efflux pumps?

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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of these statements does 2nm.6 69 i auf+zlucnjs b+y-znot 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the following gives the correkh1 9hwlz.8-fkq .9hj m:kbixih/ h* jct 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Why do multicellular organisms exhib 0im+f wrcpxisl. f/16it emergent properties?

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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement defines tropeeih )4/ n5uq :x:ycr0x*oxay isms 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of the labels (A-D) points6 xek .uft*tzt*px6r5 to the cerebellum on the diagram of the brain belt*t fk rx5p6x.zeu *6tow?

A. B. C. D.

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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement correctly descrprk0ha);cwh5zc nwbn(d+ tux m 69qd,pum,6 ,ibes the role of auxin 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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单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement identifies the direct effect of auxif8kfw2e fp d;r2- x0 mvt wct9*zl(f:en?

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. Whi9v y6fnh5pdei*6 dug8ch of the following are i9yh6vid8ne*5pgu 6df nvolved 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 unicellular and multicellular organisms arezyuf)8:8q(du (vvvdiw;r)4ao4 x mnt 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 ligh-s /bn -xwaub hg-cy9m*yc3:at. What plant protein detects light, and what mechanism -my /cwah3g-uac:9 nbx b-*ysinitiates 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 p2e,ajl:a.p l troduction to its role in phototropismjl2eap t,a: .l?

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 o9ha5mni;+ahkdm 9ue v2*(s ay ,p,o ;f*oqzayf the Sun.

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.

该题自我估分: (必填) (满分:1.0分)

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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 eiof9prs5c,b:cjrb, 9 mergent property?

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 sob,5dpu e7.o hkme situations.
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.

该题自我估分: (必填) (满分:1.0分)

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Explain how peristaleyt2yjq* 1j t+sis moves food 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.

该题自我估分: (必填) (满分:1.0分)

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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 )wr /sx:n2ki2/i 70pek:9brpv s. jyd4mh ipntemperature of an individual under their normal light-dark cycle and after exposure to a 1-hour puls4wky k)b./m pr79pixs :h:0i irnvj en/22p sde 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 abo.sfjac :y73 bout the reflex of lifting the foot. 3.bfaoscj 7:y
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 i:xz jh4 /22y5hvbnh fhelps regulate the control of heart rate. Below is ajx5 /nb4z:2hy 2h hvfi diagram 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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