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 gland labeledm gahbiho3;74 m:ot1 e 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 pump uc+x 5vv7y2krk8xcd7s?

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 to4u6xk.djzezn9 5u q 8xm qq;(u 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 of boh qeql 7ne ;l-e,lh7r-dy 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 exhibib x4w8ojippf3hi +,-wt 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 tropisms in plr+ 1v6x6pi vdnants?

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,n fpz*-y o los1j.nyr+, qwx0x:;cyn the cerebellum on the diagram of the brain b1.o,y0 +on: jp xwsy;fl qzrn,* c-xynelow?

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 auxin*f v -pn hrsb0*oub-8x 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 o q(kws 54 gp;wrj90kvo 2s)++ amgoenthe 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. Which of thw;v 6 .ct0,khzb yji2i,ey q*d ewfj7:e following are involved in this fight or flight respons wj7b6;eyk0,,2tcjeiz.d:wqf v* hyie?
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 or 4nt 5poq4po8v aq9lr1sz*j8uganisms 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 light* ,7vl ix1tki.w;axt x, and what mechanism initiates the respon,tx;1* l7xwtviix k a.se?

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 fal:.jd vdgt *p0*vdp ,rom its production to its role in phototr:tdd* 0g* v a,dpv.lpjopism?

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 p)g0ocmg-bg;. z4k( v ar1pcma d -ab(fosition 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 of adt*7; w:;9pmmkhth os n 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 wbv*4mw ftm95some 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 peristalsis moves food alw (j zrty9*4liong 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 individual un 7x ,1pq:1umdwyzwkv,der their normal light-dark cywydv p1k,w ,17mqu: zxcle and after exposure 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 liftinvcya* l 0s0ifsv;w::x1 5hhc cg thxicw:s0yac v;c501hfv:h *ls e 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 heart rate /u7k0w*bzvo baa/) ox. Below is a dik*ua/ ) xoobzw0 7abv/agram 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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