1. The following statement about plants not being asexual is ()

A. strawberries propagate through underground stems. B. division and reproduction of amoeba

C. Onions propagate through bulbs.

2. To cultivate new varieties by grafting, the key to grafting is ()

A. scions should be kept moist. B. the grafting time should be chosen properly.

C. The cambium of scion and rootstock should be closely combined. Select the rootstock and scion.

3. A classmate wants to plant chrysanthemums at home. In order to keep the fine variety of chrysanthemum, the reproductive organ he should take is ().

A. a branch, a seed, a fruit and a leaf

When we eat peaches, plums and apricots, we find that their fruits have only one seed. What do you think is the main reason?

Yes ()

A. there is only one fertilized egg. B. there is only one ovule

C. There is only one ovary. D. Only one sperm binds to the egg cell.

5. The following statement about amphibians is wrong ()

Crocodiles, salamanders and salamanders are all amphibians.

B. Amphibians are distributed in a small range today, just because they can't reproduce without water.

C. Amphibians multiplied unprecedentedly 200-300 million years ago.

D. Amphibians live on land, but they can't leave water either.

6. The reproductive characteristics of birds are ()

① Fertilization in vivo ② The fertilized egg is large and contains many nutrients; ③ There is a hard shell outside the egg; ④ Parents feed young birds.

A ① ② B③④ C ②③④ D①②③④

7. Why do some students have earlobes and some students don't? The basic genetic unit that controls this trait is ().

A. chromosome B. gene C. nucleus D. germ cells

8. If a tall pea crosses a short pea and the offspring are tall peas, then the following statement is true ().

A. the tall stem gene is dominant to the short stem gene. B. tall stem genes and short stem genes are recessive.

C short stem genes are dominant for tall stem genes. D it is impossible to judge which gene is dominant by the traits of offspring.

9. The following belongs to the human normal sperm cell chromosome is ()

a . 2 1+YY b . 22+X c . 2 1+XY d . 2 1+XX

10. The following statement about chromosomes is incorrect ().

A. The chromosome number of sperm and egg cells of the same organism is less than half that of somatic cells.

B cells of different species contain the same number of chromosomes.

C the number of dyed fertilized eggs and somatic cells of the same organism is the same.

D. the gene is located on the chromosome

1 1. The following is not a genetic disease ()

A. Albinism B. Hemophilia C. Color blindness D. Pneumonia and hepatitis

12. Variation genus caused by external environmental conditions ()

A. favorable variation B. genetic variation C. unfavorable variation D. non-genetic variation

13. The following does not belong to the reproductive behavior of birds in the process of reproduction and development ()

A. Occupation and nesting B. Hatching and brooding C. Viviparous and lactation D. Courtship and mating

14. Many insects shed their skins during their growth and development because ().

The exoskeleton of insects is very hard. The exoskeleton of insects can protect and support internal organs.

C exoskeleton can prevent water loss in the body. D the tough exoskeleton can't grow with the growth of insects.

15. The behavior of the following animals belongs to learning behavior ()

A. A dog named B, two ducks are chasing and splashing on the water.

C. The dog saw its owner and ran to ask for food.

16. This genetic unit of human motion system is composed of ().

A. Bone, osseointegration and skeletal muscle B. Bone, osseointegration and skeletal muscle

C. Bones and bones D. Bones, bones and muscles

17.2003 Five ministries jointly issued a notice to strengthen entry-exit physical examination. Once SARS patients are found,

It is isolated, and the purpose of isolation is ()

A. Control the source of infection B. Cut off the route of transmission

C. Protect the susceptible population D. Let them enhance their immunity

18. The following belong to nonspecific immunity ()

A. The stratum corneum of human skin can block the invasion of pathogens.

B.people who have suffered from smallpox once will not suffer from smallpox again.

C. Eating "sugar pills" can prevent polio

D. BCG vaccination can prevent tuberculosis.

19. Similar to SARS, schistosomiasis and AIDS, which of the following diseases is also an infectious disease ()?

A. Color blindness B. Myopia C. Gallstones D. Influenza

20. The hazards of smoking are ()

A. Damage to human digestive system, circulatory system and nervous system to varying degrees.

B. the possibility of easily causing hypertension and coronary heart disease.

C. it greatly increases the possibility of women suffering from diseases such as uterine cancer.

D.A.B.C. is all right.

II. Fill in the blanks (0.5 point for each blank, *** 15 point)

1. Plant propagation includes _ _ and two types. The combination of hermaphroditic germ cells produces zygotes, and the reproduction from zygotes to new individuals is reproduction.

2. Seed germination depends on some external conditions, such as, and _ _ _ _. When the seed germinates, the embryo develops first, and the embryo will develop into the _ _ _ _ of the plant in the future.

3. Both human and animal sports need consumption. The source is that nutrients can only enter cells through this process.

4. In biology, recessive traits will only be shown when the paired genes are the same, so the probability of showing them is lower than that of showing them.

5. In nature, every living thing can be produced. For the organism itself, some have mutated the survival of the organism, and some have mutated the survival of the organism.

6. Rabbits, pigeons, lizards, frogs, crucian carp, these five creatures, the most developed brain is; Breathe with lungs, use airbags to assist breathing, and only use cheeks to breathe; The heart consists of two atria and a ventricle, but if there is an incomplete diaphragm in the ventricle, the individual development is abnormal.

7. The three links in the epidemic of infectious diseases are, and.

8. Modern standards for measuring the level of healthy people, including,, and, are the most important signs of a person's health. .

Iii. Cohesion (13)

1. Connect the behaviors and behavior types of the following animals with lines:

① The reproductive behavior of scarab playing dead A on the ground.

② The feeding behavior of male and female frogs holding B.

③ The defensive behavior of C mice stealing food.

At dawn, the rooster crows and D attacks.

⑤ Two dogs fight for bones. E rhythmic behavior.

2. Link the following concepts with conceptual explanations and concrete examples:

(1) The pathogen of infection source A leaves the infection source, and reaches healthy people through contact infection via route A..

② People or animals whose transmission route B can transmit B pathogen have weak immunity.

③ Susceptible population c Bacteria, fungi, viruses and parasites that can cause infectious diseases c People with tuberculosis.

④ People susceptible to infection due to pathogen D's lack of resistance to infectious diseases D dogs or cats suffering from rabies.

4. Fill in the blanks (0.5 points per blank, ***8 points)

1. Answer the questions according to the picture below:

(1) The main part of the flower is _ _ _ _ _ _ _; Protecting the internal structure of flowers is _ _ _ _ _ _ _ _;

(2) The ovary will develop into _ _ _ _ _ _ _ _ in the future; The ovule in the ovary will develop into _ _ _ _ _ _ _ _.

(3) In the ovule, the fertilized egg will develop into _ _ _ _ _ _ _ _. The fertilized polar nucleus will develop into _ _ _ _ _ _ _ _ in the future; Beads are developed into the form of _ _ _ _ _ _ _ _ _ _ _ _

2. If A represents the gene with earlobe, A represents the gene without earlobe. Now, there is a couple whose genetic combination is aa and Aa. Try to answer the following questions: (1, ***7).

(1) Fill in the blanks with the chessboard squares below.

father

MamA a a

a

a

(2) Therefore, the genetic combination of their children may be different; The displayed character is _ _, and the number of individuals of different characters is.

Verb (abbreviation of verb) analysis problem

1.(7 points) When the banana is hung so high that the chimpanzee can't reach it with his bare hands, he will try to fold several wooden boxes and then climb to the top of the box to pick bananas.

(1) This behavior of chimpanzees belongs to _ _ _ _ _.

(2) Can a newborn baby orangutan complete this behavior?

(3) Young orangutans need to accumulate and acquire this behavior.

(4) The innate behavior is determined by animals, and the learning behavior lies in.

Formed on the basis of.

(5) What is the significance of learning behavior to animal survival? (2 points)

2. Analyze the figure below to complete the mapping and problems. (10)

(1) Can you analyze the chromosome composition of female somatic cells and egg cells?

(2) As far as sex chromosomes are concerned, can you analyze how many kinds of sperm men can produce? What sex chromosomes do they contain?

(3) Should the ratio of boys to girls be the same in theory? Can you explain it through the above picture?

(4) In society, some people blame women for not having boys. Do you think this is right? Please explain with your biological knowledge.

(5) Some people say that girls can't pass it on, only boys. Do you think this sentence makes sense? Please briefly explain your reasons.

Six, experimental design questions (7 points)

Design an inquiry experiment to explore "How do ants find food?" (Hint: Taste, sight, smell or others can be considered)

Your question is:

Your hypothesis is:

Your query scheme is:

Reference answer

First, multiple choice questions

1、D 2、C 3、A 4、B 5、A 6、D 7、B 8、A 9

1 1、D 12、D 13、C 14、D 15、D 16、A 17、A 18、A 19、D 20、D

Second, fill in the blanks

1. Sexual reproduction Asexual reproduction is sexual.

2. Appropriate temperature of moisture and air, radicle, stem and leaf.

3. Energy food digestion

4. recessive traits dominant traits

5. Variation is not conducive to

6.rabbits, pigeons, crucian carp, lizards and frogs

7. Susceptible population of infection source.

8. Physical health, mental health, good social adaptability, moral health and physical health

Third, the connection problem.

1.①C； ②A； ③B； ④E； ⑤ D

2.①-B—C②-A-A③–D-B④-C-D

Fill in the blanks with pictures

1 endosperm seed coat pericarp of perianth fruit seed

2 A A A A A A aa aa 2，2， 1: 1

Five analytic problems

1. Learning the day after tomorrow can't live experience. Learning the life experience of genetic material and learning greatly improve the ability of living things to adapt to complex environment.

2. 1) The chromosomes of female somatic cells consist of 22 pairs of autosomes and one pair of sex chromosomes XX, and the genome of egg cells becomes 22 chromosomes and one sex chromosome.

2) Two kinds, each containing X chromosome or Y chromosome.

3) Same

4) No, because there is only one type of female egg cell, which cannot determine the sex of offspring, while the type of male sperm should determine the sex of offspring.

5) They can be passed down from generation to generation, and they all inherit half of their parents' genetic material.

Sixth, experimental design problems

Tip:

Ants will release a chemical smell when they pass by. When other members of the ant colony perceive this smell, they will follow a specific route and look for the target under the guidance of their peers. The more ants on this route, the bigger the smell will be, so more ants will participate.