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Entrance biology quiz, 7th grade

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Plant structure

Plant structure

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Option 1

Ι. Find 1 correct answer:

  1. All plants from algae to the covered plants have:

A) cellular structure; B) fruits; C) flowers; D) Seeds.

 

  1. The perianth is formed by:

A) the pedicel and the floret; B) the stamens and pistils;

C) corolla and calyx; D) sepals and stamens.

 

  1. Plants capable of photosynthesis enrich the earth’s atmosphere…:

A) water; B) carbon dioxide; C) oxygen; D) nitrogen.

 

  1. A shoot develops from:

A) a root; B) a stem; C) a bud; D) an internode.

 

  1. The shoot includes:

A) a flower and a fruit; B) a stem with leaves and buds; C) a stem and a root; D) a flower and a root.

 

ΙΙ. Correlate the characteristics of a plant’s adaptation to pollination with its method of pollination:

Signs of plants

Pollination method

1.      The pollen is dry and fine;

2.      Flowers small and unsightly;

3.      There is nectar in the flowers;

4.      Flowers are brightly colored;

5.      Much pollen is produced;

6.      Flowering before leaves open.

А. Wind pollination;

B. Pollination by insects.

ΙΙΙ. Define the following concepts:

  1. chlorophyll is…
  2. An inflorescence is…
  3. The root system is…
  4. pollination is…
  5. The stamen is…

 

ΙV. Give complete answers to the following questions:

  1. What ways and kinds of reproduction do you know. Characterize them.
  2. Name the characteristics of monocotyledonous plants.

Option 2

Ι. Find 1 correct answer:

  1. Fungi feed on:

A) by forming organic matter in the light; B) finished organic matter;    

C) only organic matter from living organisms; D) by settling on food.

 

  1. The places where leaves attach to the shoot are called:

A) nodes; B) internodes; C) petioles; D) bast.

 

  1. The vegetative organs of a plant include…:

A) shoot and root; B) shoot and fruit; C) flower and fruit; D) root and flower.

 

  1. Ferns need water to reproduce because …:

A) spore formation occurs in it; B) spore germination and fertilization occur in it; C) water carries the spores a long distance; D) water gives the cells elasticity.

 

  1. The fruit is formed from:

A) the stigma of the pistil; B) the stamen; C) the petals; D) the ovary of the pistil.

 

ΙΙ. Correlate the families of flowering plants with their representatives:

Representatives

Plant families

1.      Meadow strawberry;

2. dandelion with medicinal roots;

3.      Chamomile;

4.      Cornflower blue;

5.      Cinnamon hips;

6.      Lapticum erectus.

А. Rosaceae;

B. Complexiflorals.

 

ΙΙΙ. Define the following concepts:

  1. fertilization is…
  2. A flower is…
  3. Chloroplasts are…
  4. The pistil is…
  5. The seed is…

 

ΙV. Give complete answers to the following questions:

  1. Pollination: what is it? Methods of pollination. Types of pollination.
  2. Name the characteristics of dicotyledonous plants.

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