The answer to the core test paper

Junior one biology examination questions

First, multiple-choice questions (2 points for each small question, 32 points for * * *)

1. Which of the following is not the main feature of algae plants ()

A. The structure is simple, and there is no differentiation of roots, stems and leaves.

B. They all contain chlorophyll and can carry out photosynthesis.

C. most people live in water.

D. there are formed nuclei in the cells.

2. From the structural point of view, Adiantum is more complicated than gourd ()

A. can produce seeds

B. the original leaves appeared.

C. developed underground stems and large pinnate compound leaves

D. It has real roots, stems and leaves, and the roots, stems and leaves have conductive tissues and mechanical tissues.

13. The following is not suitable for the weak transpiration characteristics of pine trees ()

A. the roots are developed. B. The stomata are deeply buried under the epidermis.

C. There is a cuticle outside the epidermis. D. Epidermal cells are closely arranged with thick cell walls.

When the female cones of pine trees bloom this spring, you can see the seeds scattered under the branches of pine trees and the cones with scales. When will this cone be pollinated and when will the seed mature ()

A. Last spring, last autumn

C. Last spring, this spring

5. Green flowering plants refer to ()

A. Seed plants B. Angiosperms

C. gymnosperms

[6] Among the following angiosperms and gymnosperms, the most obvious feature of * * * is ()

A. the ovule is surrounded by the ovary wall.

B. They are all green flowering plants.

C, seeds can be produced, and fertilization is not limited by water.

D. the fertilization method is double fertilization.

Once the following description about dicotyledonous plants, which one is wrong ()

The embryo of a seed has two cotyledons.

B. Roots are mostly straight roots, and leaves are mostly reticulate veins.

C. the cardinal number of each part of the flower is 3.

The vascular bundles are tubular and have cambium.

⒏ There are the following plants in the bio-park, among which the most similar morphological structure to rice is ().

A. Sunflower B. Lily C. Pumpkin D. Cotton

Pet-name ruby bacterial cells without ()

A. Cell wall B. Cell membrane C. Cytoplasm D. Forming nuclei

10. The microorganism causing influenza is ()

A. bacteria b, fungi c, animal virus d, bacterial virus

1 1. Yeast, Spirogyra and bacteria have the same structure ().

A. all have cell walls. B. There are no chloroplasts.

C. all have vacuoles. Have formed nuclei.

12. The material circulation in nature does not play a key role ().

A. Green plant bacterial fungal virus

13. Which of the following is not a characteristic of fungi ()

A. cells have real nuclei. B. They are all big individuals.

C it can produce spores, which develop into new individuals. D. There is no chlorophyll in the body, and the nutrition mode belongs to heterotrophy.

14. The following animals belong to single-celled animals ().

A. amoeba B. jellyfish C. Schistosoma D. coral

15. The digestive way of Hydra is ()

A. Intracellular digestion

C. Intracellular digestion D. Intracellular digestion and extracellular digestion

16. The following animals are not coelenterates ()

A. hydra B. jellyfish C. Eddie D. coral

II. Fill in the blanks (65438+ 0 for each blank, ***36)

1. The four major types of plants on the earth are _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.

1. The taxonomic unit of plants is _ _ _ _ _ _ _ _ _ _ _ _ _ _ plants in descending order.

3. Among the patterns that constitute the national emblem of our country, there is a kind of plant, which belongs to _ _ _ _ _ _ _ _ _ _.

4. Bacteria generally do not contain _ _ _ _ _ _ _ _ _ _, and can only absorb ready-made organic matter to sustain life. This nutritional method is called _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ bacteria make a living by decomposing animal and plant remains and absorbing organic matter from living animals and plants, while _ _ _ _ _ _ _ bacteria directly absorb organic matter from living animals and plants.

5. The virus has no _ _ _ _ _ _ _ structure, only a shell composed of _ _ _ _ _ _ and a core composed of _ _ _ _ _ _ _.

[6] There are about _ _ _ _ _ _ ten thousand kinds of animals in nature, which can be divided into _ _ _ _ _ _ _ _ _ animals and _ _ _ _ _ _ _ _ _ animals according to whether there are backbones in animals.

_ _ _ _ _ _ _ _ is the lowest and most primitive animal in the animal kingdom, and coelenterate is a lower animal.

⒏ There are _ _ _ _ _ _ _ cells at the base of the ectodermal cells of Hydra, and each cell has many protrusions, which are connected with each other to form _ _ _ _ _ _ _ _ _. Therefore, when Hydra is heavily stimulated with a scalpel, Hydra will react, and his body will slowly _ _ _ _ _ _ _ after a while.

Pet-name ruby when the environment is suitable, yeast usually _ _ _ _ _ _ _ _; Moulds and mushrooms breed in _ _ _ _ _ _ _ _; Paramecium carries out _ _ _ _ _ _ _ reproduction; Hydra carries out _ _ _ _ _ _ reproduction.

10. In parasitic life, the individuals who benefit are called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

Three. True or false questions (each question 1 point, * * *1point)

Pine trees have flowers and seeds.

3. The larger the taxonomic unit, the more the same characteristics of plants it contains.

13. Monocotyledons are herbs and dicots are woody plants.

Hericium erinaceus, Ganoderma lucidum and auricularia auricula are all fungi.

5. The remains of animals and plants can't rot by themselves, but saprophytic bacteria promote their decay.

Bacteria that can cause infectious diseases are called pathogens.

The virus individuals seen under the optical microscope are much smaller than bacteria.

⒏ The body wall of Hydra consists of endoderm, mesoderm and ectoderm.

⒐ Hydra has no special respiratory and excretory structure.

⒑ There are two hosts in the life history of Taenia solium.

Iv. Fill in the form and compare the main differences between animals and plants (1 point per grid, ***8 points)

Animal and plant comparison project

Cell wall ① ②

Exercise status ③ ④

Nutrition model ⑤ ⑤

Pressure ⑦ ⑧

V. Fill in the blanks (65438+ 0 for each grid, 7 for * * *)

The figure below is a schematic diagram of the morphological structure of paramecium. Please write down the label and name of the corresponding structure.

(1) The structure that makes paramecium rotate forward in water is [] _ _ _ _ _ _ _;

(2) paramecium exchanges gas with the outside world through [2] _ _ _ _ _ _ _ _;

(3) Food enters the body from [] _ _ _ _ _ _ _ _ _ _ _ _ _ _ _, and is digested in [] _ _ _ _ _ _ _ _ _ _, and food residues are excreted from the body by [] _ _ _ _ _ _ _ _.

(4) Organic matter decomposes in [] _ _ _ _ _ _, releasing energy as the motive force of life activities.

5] Excess water and some nitrogenous wastes [] _ _ _ _ _ _ _ are excreted.

Six, short answer questions (***7 points)

Drop a drop of paramecium culture solution on the left and right sides of the three slides A, B and C, and connect the two drops of culture solution together. Put salt, ice cubes and gravy on the edge of the culture solution on the right, as shown in the figure. Three slides were observed under a microscope. Please answer:

(1) Use arrows to indicate the moving direction of paramecium:

A. Left-right

B. Left-right

C. Left-right

⑵ Try to analyze the causes of paramecium movement:

⑶ The conclusion of this experiment is:

Reference answer and grading standard of biology in senior one.

First, multiple-choice questions (2 points for each small question, 32 points for * * *)

Title number12345677 8

Answer d D D A B B C C B

The title is 91011213141516.

Answer D C A D B A D C