問題詳情
67. Which of the followings is a trend in the evolution of land plants?
(A) Decrease in the size of the leaf
(B) Reduction of the gametophyte phase of the life cycle
(C) Elimination of sperm cells or sperm nuclei
(D) Increasing reliance on water to bring sperm and egg together
(E) Increasing spore size
(A) Decrease in the size of the leaf
(B) Reduction of the gametophyte phase of the life cycle
(C) Elimination of sperm cells or sperm nuclei
(D) Increasing reliance on water to bring sperm and egg together
(E) Increasing spore size
參考答案
答案:B
難度:適中0.5
統計:A(1),B(3),C(0),D(0),E(0)
內容推薦
- Carbon dioxide is transported in the blood _____.(A) dissolved in the plasma (B) attachment to h
- With climate change a growing concern, more people are turning to living roofs as a ______ — and
- Which of the following statements about genome is FALSE?(A) Usually, the gene density of archaea
- Which statement is FALSE?(A) Succession is predictable.(B) Pioneer species have wide ranges of t
- Which of the followings is an extending Mendelian genetics for two or more genes?(A) pleiotropy
- Renin is a(n) _____. Its secretion is stimulated by _____.(A) hormone, high osmolality(B) hormon
- Research indicates that a powerful El Niño from 1789 to 1793 ______ crop yields in Europe, which
- Which of the followings is NOT true of G protein-coupled receptors (GPCRs)?(A) GPCRs are cell-su
- Which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry s
- Which statement about DNA replication is true?(A) Helicase breaks, swivels, and rejoins the pare
內容推薦
- The availability of reputable, quality programs of higher education in Asia is increasing ______,
- During photosynthesis, carbon dioxide is incorporated into glucose in _____; water is broken dow
- Which of the following statements concerning mitochondria are correct, EXCEPT _____.(A) mitochon
- Prokaryotic organisms have recently been divided into two domains, Bacteria and Archaea. This di
- Which of the following descriptions about muscle and skeletal system is NOT true?(A) The strengt
- As a doctor, you have to be a people person and have ______.(A) empathy (B) pathos (C) telepathy
- A nitrogen-containing carbohydrate is _____.(A) chitin (B) glucose (C) starch(D) cellulose (E) g
- The bundle branches and Purkinje fibers conduct impulses from the_____.(A) AV node to the ventri
- Assuming complete dominance, crosses between two dihybrid F1 plants, which are offspring from a
- The correct sequence of the cardiac cycle in a healthy adult human is _____.(atrial systole a
- 苯丙酮尿症 (phenylketonuria; PKU) 是由隱性等位基因所引起的遺傳疾病,若夫妻二人都是帶因者 (carriers) ,他們三個孩子中二個正常、一個患病之機率為何?(A) 1/
- Which method CANNOT detect the gene expression levels?(A) Northern blotting (B) RT-PCR (C) DNA m
- Which of the following statements is FALSE?(A) The presence of scaffolding proteins can increase
- Inbreeding and small population size of a threatened species can combine to form a downward spir
- Which of the following statements concerning hormonal control of digestion is FALSE?(A) Secretin
- Roger has a ______ to order too much food when dining out.(A) proportion (B) proclamation (C) pre
- Regarding photosynthesis, which statement is INCORRECT?(A) Light-harvesting complex may consist
- Which is NOT a recognized hypothesis to account for the strong competitive ability of invasives?
- Which of the following statements concerning regulation of eukaryotic gene expression is FALSE?(
- 當一個族群處於沒有限制因子 (limiting factor) 的環境下,則其族群成長曲線會呈現下列哪一種圖形?(A) J 形 (B) M 形 (C) S 形 (D) V 形
- If a community exhibits lognormal rank abundance, we may conclude there are _____.(A) a large nu
- 如果族群在哈溫平衡 (Hardy-Weinberg equilibrium) 狀態下,36%的個體表現出隱性表徵,則該族群顯性等位基因的頻率為何?(A) 0.16 (B) 0.4 (C) 0.6
- As forecasting improved, communities were no longer surprised by hurricanes and could ______ ahea
- Her mother used to ______ her on her bad table manners.(A) lecture (B) dissuade (C) complain (D)
- My bank has agreed to ______ the repayments on my loan while I'm still a student.(A) defer (