Q7 What type of joint will give the greatest range (amount) of movement?A SlidingB Ball and socketC FixedD HingeQ19 What is the function of root hairs?A Anchor the root firmly in the soilB Prevent heat loss from the rootC Absorb water from the soilD

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 20:56:37
Q7 What type of joint will give the greatest range (amount) of movement?A SlidingB Ball and socketC FixedD HingeQ19 What is the function of root hairs?A Anchor the root firmly in the soilB Prevent heat loss from the rootC Absorb water from the soilD

Q7 What type of joint will give the greatest range (amount) of movement?A SlidingB Ball and socketC FixedD HingeQ19 What is the function of root hairs?A Anchor the root firmly in the soilB Prevent heat loss from the rootC Absorb water from the soilD
Q7 What type of joint will give the greatest range (amount) of movement?
A Sliding
B Ball and socket
C Fixed
D Hinge
Q19 What is the function of root hairs?
A Anchor the root firmly in the soil
B Prevent heat loss from the root
C Absorb water from the soil
D Absorb carbon dioxide from the soil
Q22 In the kidney blood is filtered.What is the special term given to this process?
A Serial-filtration
B Ultra-filtration
C Reverse osmosis
D Active transport
Q23 If the fruit fly,Drosophila melanogaster,has a haploid number of four,how many chromosomes will be present in the non-gamete cells of the adult?
A 2
B 4
C 8
D 12
Q24 What is the role of phloem?
A Supporting the stem and branches of the plant
B Transport of dissolved minerals from the root
C Transport of sugars towards growing points
D Allowing water vapour to escape from leaves
Q25 A xerophyte is a plant that grows in very dry conditions.What feature would you expect this type of plant to have?
A Thick waxy cuticle on the leaves
B Brightly coloured flowers
C Shallow roots near the surface
D Stomata on upper and lower leaf surfaces
Q28 Which of the following is an example of homeostasis?
A Child birth
B Adrenaline secretion
C Body temperature regulation
D Escape from predators

Q7 What type of joint will give the greatest range (amount) of movement?A SlidingB Ball and socketC FixedD HingeQ19 What is the function of root hairs?A Anchor the root firmly in the soilB Prevent heat loss from the rootC Absorb water from the soilD
D C C C C A C

7、哪种关节运动幅度最大:A滑动关节、B杵臼关节、C不动关节、D枢纽关节
19、根毛的作用,选C吸收水分
22、肾脏中血液的过滤方式,A连续过滤,B超过滤,C逆向渗透,D主动运输
23、果蝇非配子细胞中有多少染色体,选C
24、韧皮部作用,选C运输糖类
25、旱生植物的特征,选A厚的蜡质表面
28、下列哪个是内稳态的例子,选C体温调节...

全部展开

7、哪种关节运动幅度最大:A滑动关节、B杵臼关节、C不动关节、D枢纽关节
19、根毛的作用,选C吸收水分
22、肾脏中血液的过滤方式,A连续过滤,B超过滤,C逆向渗透,D主动运输
23、果蝇非配子细胞中有多少染色体,选C
24、韧皮部作用,选C运输糖类
25、旱生植物的特征,选A厚的蜡质表面
28、下列哪个是内稳态的例子,选C体温调节

收起