2010 Harbin biology and geography second grade graduation review questions (urgently needed~~~)

1． The image of the letter "p" in the microscope field of view

A. q B. d C. p D. b

2. Use the following microscopes to observe onion epidermal cells. Which microscope may have the largest number of cells in the field of view

A. Microscope with 5× eyepiece and 8× objective lens B. Microscope with 10× eyepiece and 40× objective lens

C. Microscope with 15× eyepiece and 10× objective lens D. Microscope with 20× eyepiece and 45× objective lens

3. In the biological world, except for viruses and viroids, other organisms are composed of cells. Do you know what the basic structure of plant cells and animal cells is?

A. Cell membrane, cytoplasm, nucleus B. Cell wall, chloroplast, nucleus

C. Cell membrane, vacuole, nucleus D. Cell wall, cytoplasm, nucleus

4 ． The energy converter in animal cells is

A. Vacuole B. Chromosome C. Mitochondria D. Chloroplast

5. The structure that can control the movement of substances in and out of cells is

A. Cell wall B. Cell membrane C. Nucleus D. Cytoplasm

6. The phenomenon of "you will reap melons if you sow melons, and beans if you sow beans" is mainly determined by the structure of cells

A. Cell wall B. Cell membrane C. Nucleus D. Vacuole

7. Plants grow from small to large because

A. Cell division and cell differentiation B. Cell division and cell growth

C. Cell growth and cell differentiation D. Cell division

8. The correct sequence of cell division process is

①The cytoplasm is divided into two parts, each part contains a nucleus.

②A new cell membrane is formed in the center of the original cell. Plant cells also form new cell walls.

③The cell nucleus is divided into two.

A． ①②③ B． ②①③ C. ③①② D． ①③②

9． The birth of the cloned sheep Dolly is related to three sheep. Which sheep does it look most like?

A. The ewe that provided the egg cells B. The ewe that provided the mammary gland cell nuclei C. Surrogate ewe

10. When transplanting eggplant seedlings and cucumber seedlings, there is always a lump of soil at the root. This is

A. Prevent seedlings from wilting B. Prevent damage to the young roots and root hairs of seedlings

C. Helps roots absorb water and inorganic salts D. It is conducive to the respiration of the seedling roots

11. When cutting a watermelon, a lot of juice will flow out. Which part does this juice come from?

A. Water B. Cell membrane C. Vacuole D. Substances in the nucleus

12. Fish must live in water and will die if left for a period of time. The most appropriate explanation for this is)

A. Organisms depend on their environment B. Organisms adapt to their environment C. Biological changes in the environment D. Biological influences on the environment

13. Algae is a type of lower plant. The reason is:

A. Mainly lives in water B. Can perform photosynthesis

C. Plants are very tiny D. They have no roots, stems, or leaves, and they reproduce by spores

14. The following plants that can be used as indicators for monitoring air pollution levels are

A. Algae Plants B. Seed plants C. Ferns D. Bryophytes

15. The idiom "The mantis stalks the cicada, while the oriole follows". From the perspective of the food chain, the following can correctly express its meaning. is

A. Mantis → Cicada → Oriole B. Cicada → Mantis → Oriole

C. Tree → Cicada → Mantis → Oriole D. Oriole → Mantis → Cicada →Tree

23. Which part of the soybean seed embryo develops from?

A. Fertilized egg B. Ovary C. Ovule D. Fertilized polar nucleus

24. The main structure of the seed is

A. Endosperm B. Cotyledons C. Embryo D. Seed coat

25. The substance that turns blue when exposed to iodine is

A. Water B. Protein C. Starch D. Lipid

Biology questions for grade one and seventh grade of junior high school

1. Draw The pencil used for biological diagrams is ().

A.3H B.B C.HB D.H

2. After aligning the light, the field of view seen through the eyepiece should be ().

A. Bright white B. Direct light C. Gray D. Black

3. Where else can we explore biological problems besides the laboratory?

4. Carefully observe a plant you like and describe the results of your observation.

5. Measure the volume of a pumpkin and record the measurement process and results.

6. Xiaogang put the blood on the slide to make an observable slide specimen. This slide specimen is called ().

A. Section B. Smear C. Mounting D. Slide

7. Which of the following belongs to monocots ().

A. Millet B. Soybean C. Apple D. Eggplant

8. The green plants in the biosphere include __＿ plants, ＿＿ plants, ＿＿ plants, ＿＿ plants, etc.

Among them, __plants are the most advanced.

9. Combined with the local climate and environmental conditions, think about it, which plants can be planted in your school to make it green all year round? (I am from Jincheng, Shanxi)

10. What food crops do you know, and what kind of environment do they live in?

11. Observe the shape of animals. Generally, first __ and then ____, first observe the __ and __ of the animal, and then gradually observe all parts of the animal's body. Observation of each part is generally carried out from __________ to __________.

12. In the process of observing the cell structure of onion epidermis, the teacher asked the students to draw the cells they saw. When drawing, student A drew according to the illustrations in the textbook; student B drew based on his own observations, but later found that it was not beautiful, so he made modifications; student C also drew based on the objects he observed, but did not do anything. Revise.

Which one of these three students do you think did the right thing? Why? What attitude should be maintained in scientific research?

14. List the names of 10 animals you know and classify them according to their living environment.

15. Use a section of plant stem with leaves and red ink to explore the function of plant conductive tissue, and record the exploration process and conclusion.

16. When you meet a plant you don’t know, how do you know its name?

17. Design experimental research: Why are cells so small?

Experimental materials:

Experimental steps:

Result statistics:

Cube │ Cube │ Cube │ surface area and

Side length │ volume │ surface area │ volume ratio

————┼— ————┼————┼——————

1 │ │ │

————┼————┼————┼———— —

2 │ │ │

————┼————┼————┼——————

3 │ │ │ < /p>

————┼————┼————┼——————

4 │ │ │

————┼———— —┼————┼——————

Experimental conclusion: Among organisms of the same size, the smaller the cell, the greater the ratio of surface area to volume of the cell, and the ability to communicate with the outside world. The stronger.

18. The main causes of biodiversity loss include __________ and __________.

19. The most effective way to protect rare animals is __________

20. Design an experiment to explore whether chicken ribs or rabbit ribs are lighter.

Experiment name:

Experimental tools:

Experimental materials:

Experimental method:

First grade of junior high school Semester Biology Final Exam

"New Course" (written answer 60 minutes)

1. Can you choose the most convincing answer? Please fill in your choice In brackets (you can only do 20 out of 25)

l. The substances that plants cannot directly absorb during their life are ( )

A. Inorganic salts B. Starch C. carbon dioxide d. Moisture

2. Which of the following statements is correct ( )

A. Grass does not need to breathe in life B. Earthworms can produce their own organic matter in life

C. Plants cannot respond to the outside world D. Pheasant laying eggs is reproduction

3. The following phenomena belong to growth ( )

A. Mushrooms grow from small to mature individuals B. Fallen leaves of poplar trees

C. The process of plants absorbing water D. The perspiration of the human body

4. Which of the following statements is not a unique characteristic of living things ( )

A. Can reproduce B. Has a cellular structure< /p>

C. Continuously absorb nutrients from the outside world D. Can synthesize protein

5. Mimosa pudica’s response to stimulation is the same as which of the following physiological phenomena ( )

A. Photosynthesis of plants B. The human hand retracts after being pricked by a needle

C. Children look different from their parents D. The process of plants absorbing water

6. In the ocean, green algae are mostly distributed in the upper layer, brown algae is in the middle layer, and red algae is distributed in the bottom layer. Analysis of the main environmental factors affecting the distribution of algae in the ocean is ( )

A. Salinity b. Temperature C. Sunlight D. Moisture

7. Which of the following ecosystems has the smallest automatic adjustment ability ( ), and which ecosystem is known as a "green reservoir" ( ).