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 secretedbwfgtw4jh4 79l6 fou2 ;vmu4l by the gland 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 nfx0gu3tq*sf9 dh(s/ br.q5iauxin 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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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of these statements does not relate to99f f ;2cd *soo3 fpsbh5sgma1 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 gives the correct hierarchy . f(zl1 r:f 1 v2qpf9t(1ypsndjn)deiof 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 orgb z 0q0sh1/keyanisms exhibit 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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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement defines tropism *2z*xo,nnl pcs 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 to the cerebellum on the diagram of3wwkrye-;w-0gtm e g 6 the brain b-m-wyew0etg3 ;kg w6r elow?

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 correctlyw;or5+un gf4ki)k 9j u describes 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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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which statement identifies the direct effect ok5(gbg3 uww:t,u rb8 pf 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, t(gwj( ,ayqw 0various changes in the body occur. Which of the following are involved in this fight or flight respongy a( (tjwq0,wse?
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 multhxhdw2v0h0a w(yy0m4*0teir p4twl 1 icellular 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 detects ldk dt.boh.)6w kl7lkm3s 4v/ might, and what mechanism id4wk) ll3ohd k./v s.mk67tbmnitiates 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 produ2jdjqk4wo fnj( 6im;5ction to its role in photw;j2 4o df(knmji5q 6jotropism?

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,h lj5h hrljs(vs;e (* 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.

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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 anum 57zllh ql,) emergent 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 some situations.cbf g59 vi:nu05urej7
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 peristal l8/(4fqkq jagsis 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.

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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 temperature of an inu+5g l n k7npy 9uvun.*i--bwqdividual under their normal light-dark cycle and after expo w+p v-*yub.-kn5 q7iulugnn9sure 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 drah u5hd:k8rna 6wing pin can bring about the reflex of lifting the foot. h86k 5udrh:na
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 )ghvf l,garkm0fdzano2 1i- 3ta 3 7ilag:3d.system helps regulate the control of heart rate. Below is a diagram of f2.az gdl3a0to7n:3)mr dgglih-vfa ia 3,k1the 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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