Which of the following statements about plant clas

Which of the following statements about plant structure is correct?

A、Lateral roots arise from epidermis.

B、Secondary cell walls are deposited outside of primary cell walls.

C、The pith in stems is made of vascular tissues.

D、Root hair is made of dermal tissues.

Which of the following statements about plant structure is CORRECT?

A、Root hair is made of dermal tissues

B、Secondary cell walls are deposited outside of primary cell walls

C、Pericycle in roots is equivalent to vascular cambium in stems

D、None

Which of the following statements about plastids is CORRECT?

A、The chloroplast is one type of chromoplasts because it contains a high concentration of chlorophyll pigment.

B、Chloroplast division is independent of nuclear division; therefore, the chloroplast does not require nuclear-encoded proteins to divide.

C、Both chloroplasts and amyloplasts can accumulate starch.

D、None.

Which of the following statements about plant organelles is CORRECT?

A、The recycling of membrane vesicles - from the plasma membrane to the Golgi, from the trans to the cis face of the Golgi, or from the Golgi to the ER - is called anterograde movement through the endomembrane system.

B、Glyoxysomes are specialized peroxisomes found in oil-rich storage tissues of seeds in which fatty acids are oxidized.

C、Microfilaments have a bigger diameter than microtubules.

D、The minus ends of microtubules or microfilaments tend to be more active in growth than the plus ends.

A.In order for a fluid to be pumped, a fluid must be made to flow

B.A substance must be cold in order for it to be pumped

C.The kinetic energy imparted by the pump can be used to force a liquid through a hydraulic system

D.A pump must receive its energy from an external source

A．It was limited in prehistoric times.

B．It is usually the first stage of cooperation achieved by a group of individuals attempting to cooperate.

C．It is an ideal that can never be achieved.

D．It is most commonly seen among people who have not yet developed reading and writing skills.

A．It was limited in prehistoric times.

B．It is usually the first stage of cooperation achieved by a group of individuals attempting to cooperate.

C．It is an ideal that can never be achieved.

D．It is most commonly seen among people who have not yet developed reading and writing skills.

A. He was one of the scientists who have warned against the threats of underground fires．

B. He has detected and monitored underground fires in Netherlands．

C. He has worked with the Chinese government on the underground fires issue．

D. He works for a research institute in the Netherlands．

A．He was one of the scientists who have warned against the threats of underground fires.

B．He has detected and monitored underground fires in Netherlands.

C．He has worked with the Chinese government on the underground fires issue.

D．He works for a research institute in Netherlands.