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 secrt10e-v(zxhdn r ;4-ggle n7h geted 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 fud:9uy(*xor*plbeks/mvq80ase q7 f:nction 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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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Which of these statements does not relate to cj/v8od 3veh gqb/s pz9s) 2k4peristalsis?

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 hierarchqs6zkw8i60e*buyr 4ov f j+5 uy 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 exhibid x2( l-l t mxbr70o 4rz4m3.hvvtal:ct 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 tropisl f zu33d v/t -k8uu,wi(tbzh1ms 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 +2:az kyc)b;s 2 vbmhhe(l-ison the diagram of the brain below? ebvsc :byzk2h+is(m) ; l2ha-

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 describ:7 d aca21eu a1df8g0)khzooqes 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 dic 7/a;zqw0vjurect 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. Which of the fodb 93 x,blb)mollowing are involved in b l3)9xbdmob, 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 multiceqvm9k:x a dtz.a)fn 9p*n:s7ellular 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. Wo0h) p;r 7yvno 0r1kswxb3n 6qhat plant protein detects light, and what mechanism initiates the rooy6n qbpnr 1;07xh k0s v3r)wesponse?

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 thzs1qqd:f*tr ez )qa, -e route taken by auxin from its production to its role in phototropi qsd,qt-ze:qr1a)z f *sm?

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 positio6g 2; hlf-lu0u h+klsrn of 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.

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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 ofmhe ewuh*f/e v a)602r an 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 tre*+3k cqebh8ikt woay1.oi)hrc2k qf 0(4qma .atments in some 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.

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17#

问答题 ( 1.0 分) 切至整卷模式搜藏此题

1.Explain how peristalex; hri d)esu*k1(:q kyt1vy1sis 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 zq 8:r *bubj+grhythm in body temperature of an individual under their normal light-dark cycle and after exposure to a 1-hour pulse of 1000-lux light at *qj gzrb8+b u: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 y)( /hwkk,rv+yho+) lphfl v 3of lifting the foyh h)ky (l/ vh3wl,)+kvp o+rfot.
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 heart rate. Below is yjr-+y0*yqs cdh /6spf; lo9ga diagram of the hum yp9 +lcy6/f-g o0*rsqhsd y;jan 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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