1. Among the following animals, swimming is a way of exercise ().
Snail dolphin deer eagle
2. Among the following animals, the one that can swim in water and fly in the air is ().
A wild duck b wild goose c penguin d eagle
3. Cheetah, lion and other animals that are good at running are suitable for living in ().
A is in the open grassland, B is in the dense forest, C is in the swamp, and D is in the mountains.
4. The bones rise during exercise ().
A lever, b fulcrum, c power, d connection.
5. Among the following joints in the human body, the largest range of motion is ().
A shoulder joint b knee joint c hip joint d ankle joint
6. The composition of tendon and muscle abdomen is () respectively.
A connective tissue muscle cells b muscle cells connective tissue
C connective tissue, connective tissue, D muscle cell, muscle cell
7. Which structure of bone contains blood vessels, nerves and osteoblasts ().
A periosteum b dense bone c cancellous bone d bone marrow
8. The following can increase joint firmness is ().
A joint head and joint fossa B joint cartilage C synovial fluid in joint cavity D joint outside capsule joint
9. About the role of physical exercise, which of the following is the most comprehensive ()?
A can thicken the joint capsule and ligament, and B can strengthen bone nutrition.
C can thicken muscle fibers and strengthen muscles. D is higher than all three items.
10. When carrying heavy objects, the states of biceps brachii and triceps brachii are () respectively.
A contraction, relaxation B contraction, contraction C relaxation, contraction D relaxation, relaxation.
1 1. The following are congenital behaviors ().
A puppy suckles, b elephant plays harmonica, c dog drills fire ring, and d monkey fishes.
12. The following phenomena belong to learning behavior ().
A hen hatches eggs, b spiders weave webs, c bees collect honey, and d dogs do arithmetic problems.
13. The following is not a defensive behavior ()
A squid releases ink, and a beetle pretends to be dead.
A hen looks after a flock of chickens.
14. Frogs hug each other during the breeding season (male and female frogs hug together).
A aggressive behavior b reproductive behavior c defensive behavior d feeding behavior
15. Athletes go abroad to participate in competitions. Because of the time difference, they feel bored and sleepy during the day and too excited to sleep at night. This is because ().
A's biological clock has not been started in B.
C is not used to eating. D in line with the training before going abroad.
16. Among the following insects, the one with social behavior is ().
A dragonfly, butterfly b locust, cricket c bee, termite d fly, mosquito
17. Among the following methods to study animal behavior, the experimental method is ().
A use a camera to shoot the action of cheetah and study the method of cheetah chasing prey.
Observe the activities of birds during the breeding season with a telescope.
C Zoo used closed-circuit television to study the process of giving birth to cubs in northeast China.
D use sound waves to interfere with the movement of dolphins in the water and observe the sensitivity of dolphins to sound waves.
18. The main method to study animal behavior is ().
A observation method and experimental method B observation method and investigation method C investigation method and experimental method D observation method and reasoning method
19. What role do animals play in nature ().
A producer b consumer c decomposer d destroyer
20. The following can form a food relationship between producers and consumers is ().
A lotus and frog b cotton and aphids c locusts and sparrows d aphids and ladybugs
2 1. The following food chain is correct ().
A grass → grasshopper → insect-eating bird → snake → eagle B grasshopper → grass → herbivorous bird → eagle → fox.
C fox → eagle → insect-eating bird → grasshopper → grass D ← grasshopper ← insect-eating bird ← snake ← eagle.
22. The relationship between biology and environment is ().
A biology is limited by the environment, and the environment is not affected by biology. Interaction between biology and environment.
Organisms determine how the environment changes. The environment is always conducive to the survival of living things.
23. China specialty precious mammals is ().
A platypus b giraffe c yak d giant panda
24. There is a very old and rare fish that lives in the waters of the Yangtze River and is listed as a first-class protected animal in China. It is ().
A whale b peach blossom fish c Chinese sturgeon d Chinese alligator
25. The main reason of wildlife endangerment and extinction is ().
Excessive hunting and logging of wild animals and plants by human beings has polluted and changed the habitat environment.
B. Species degradation
The law of the jungle in the food chain
Rational development and utilization of wildlife resources by human beings
26. Biodiversity includes ().
Animal diversity, plant diversity and microbial diversity
B. Ecosystem diversity, species diversity and genetic diversity
C. forest diversity, grassland diversity and wetland diversity
D. Earth sphere, atmosphere and biosphere
27. The main place for in-situ conservation of biodiversity is ().
First, establish nature reserves; Establish an animal and plant park.
Establish gene bank through publicity and education activities
28. "The deer died of velvet, and the deer died of musk deer". China's unique Tibetan antelope is endangered because its cashmere is more valuable than gold. This is because ().
A Tibetan antelope lost its habitat, and B's living environment was polluted.
Wild hunting by poachers and invasion of alien species
29. In order to preserve seeds and prevent birds from pecking, a pastoral area covered the ground with nets. Later, I found that the leaves of the grass were almost eaten up by insects. The reason for this phenomenon is ().
A environmental pollution B vegetation destruction C food chain destruction D water shortage and drought
30. In order to protect crested ibis and its living environment, Yangxian County, Shaanxi Province established crested ibis nature reserve, which was kept in centralized captivity to prevent the extinction of a few wild horses. They belong to () respectively.
A local protection, non-local protection B non-local protection, non-local protection
C non-in-situ protection, in-situ protection D in-situ protection, in-situ protection
3 1. Buried a dead fish in the root of a big tree. After a long time, the fish disappeared because ().
A is absorbed by roots, B is washed away by water, C is dug up by cats, and D is decomposed by saprophytic bacteria.
32. The following organisms do not have the cell structure is ().
Bacteria b, hydra c, tobacco mosaic virus d, earthworm.
33. The nutritional value of yogurt is higher than that of milk, because in the fermentation process of yogurt, (1) nutrients in milk are transformed into nutrients that are more easily digested and absorbed by people, and various vitamins are produced.
A yeast b lactic acid bacteria c acetic acid bacteria d Aspergillus
34. The antibiotic is ().
Bactericidal substances produced by bacteria a and fungi B.
A substance produced by certain fungi or actinomycetes that kills bacteria.
D substances produced by certain fungi or actinomycetes that kill certain pathogenic bacteria.
35. After HIV (AIDS virus) infects the human body, which of the following systems is mainly damaged ()?
A digestive system b immune system c circulatory system d skeletal system
36. The nutritional mode of mushrooms is ().
A photosynthetic autotrophic b saprophytic c heterotrophic d parasitic
37. Mushrooms belong to ().
A algae b bacteria c ferns d fungi
In summer, hotel chefs often wrap many cooked dishes with plastic wrap and put them in the refrigerator. The main purpose of this is ().
A inhibits bacterial reproduction and b prevents nutrient loss.
C prevent water evaporation d keep the shape and color of dishes.
39. The English abbreviation of SARS is ().
HFRS AIDS atypical pneumonia
40. The important role of bacteria and fungi in the ecosystem is ().
A provides matter and energy for the ecosystem, and B decomposes animal and plant remains into inorganic substances.
C. fixing nitrogen in the air; D, synthesizing inorganic substances into organic substances.
2. Fill in the blanks. (1 point/space, unless otherwise specified)
1. Most animals can quickly change their spatial position, on the one hand, it is _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.
2. The three main structures of long bones are _ _ _ _ _ _ _ and _ _ _ _.
3. The joint is a movable bone connection, and its basic structure includes three parts: _ _ _ _, _ _ and _ _ _.
Everyone's skeletal muscle includes _ _ _ and _ _ _.
5. In a certain natural area, there is a complex relationship between predation and prey among various organisms, and this nutritional relationship has formed _ _ _ _. (There are 4 points here)
6. The allusion "mantis catches cicada, yellowbird is behind". According to this ecological scene, please point out the food relationship among yellowbird, willow, mantis and cicada with arrows: _ _ _ _ _ _ _ _ _ _ _ _. (There are 4 points here)
7. People's movement is composed of _ _ lever _ _ as the fulcrum and _ _ as the power.
8. Connection problems
(1) lactic acid bacteria vinegar
Acetic acid bacteria yogurt, pickles
Yeast bread, steamed bread
(2) Medicinal animals: butterfly fish and anchovies.
Rare animals scorpions and centipedes
Ornamental animals pigs and cows
Edible animals Chinese alligator, baiji dolphin, elk, giant panda.
9. Please use the knowledge of animal behavior to explain the following phenomena:
(1) There is a kind of moth. When it is hurt or frightened by the enemy, it will suddenly spread its wings, thus exposing the eye points on its wings to intimidate the other side. This is the _ _ _ behavior of animals.
(2) Bees collect honey during the day and go back to their nests to rest at night. This belongs to the _ _ _ behavior of animals.
(3) dragonfly water. This belongs to the _ _ _ behavior of animals.
(4) Two male argali are fighting for a female argali. This belongs to the _ _ _ behavior of animals.
10.( 1) As shown in the right figure, a is _ _, and its function is to generate _ _,
Be a bone. Because there is a in the bone, it means that this person is in the _ _ _ period.
(2) D in the figure is _ _ _ _; There is an e in d, which means that this person should be _ _,
Therefore, e has _ _ _ function.
(3) The surface of bone is F, which is composed of _ _ _ _ _ _ tissue.
There are cells in F, which play an important role in bone growth and _ _ _ _.
1 1. The picture on the right shows the joint structure mode. Please answer according to the picture:
(1) joints can move flexibly because [] _ _
Moreover, the surface of [] _ _ is smooth, thus reducing the friction between bones.
(2) The joint is strong because [] _ _ connects two adjacent bones.
There are many [] _ _ inside and outside it for reinforcement.
(3) Dislocation refers to [] _ _ sliding out [] _ _.
12. A classmate made an experiment with two animal ribs. The experimental records are as follows:
Weighing (gram)
Actual phenomenon
Before the experiment
After the experiment,
Bone or tortoise shell
six
four
The smell is released, and after treatment, the bone will be brittle with a gentle knock.
B bone
six
2
There are bubbles released, and after treatment, bones can bend.
(1). Excuse me:
Oracle bones are placed in _ _ _ _ _ _ _, and _ _ _ _ _ is removed from the bone;
Put the second bone in _ _ _ _ _, and then take out _ _ _ from the bone.
(2). During treatment:
Oracle bones smell because _ _ _ _ _ _ _ _. (There are two points here)
Bubbles are released from bone B because _ _ _ _ _ _ _ _. (There are two points here)
(3) After treatment:
Oracle bones are brittle and easily broken, weighing 4 grams, which proves that _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
The second bone became elastic, weighing 2 grams, which proved that the bone contained about _ _ _ _ _ _ in the total weight.
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