From the spores of cuckoo flax in moist soil is formed

What is the cambium made of? What does it serve?

  1. One layer of cells with thick membranes. Protection against evaporation damage, temperature fluctuations, micro-organisms.
  2. Consists of sieve tubes, the outer part consists of dead cells. Protection against mechanical damage, temperature fluctuations.
  3. One layer of living dividing cells. Carrying water and minerals.
  4. One layer of living cells is dividing cells. Stem growth in thickness

The ingredients of the pestle are…

  1. Stigma
  2. Anther
  3. Column
  4. Zygote
  5. Corolla
  6. Inflorescence

Choose the correct statements…

  1. The seed is the vegetative organ of the plant.
  2. The nutrient reserve of the wheat seed is contained in the cotyledons.
  3. Dicot plants have 2 cotyledons per seed.
  4. Seeds that are at rest (not germinated) do not breathe.
  5. The larger the seed, the deeper it is buried in the soil.
  6. The opening through which water enters the seed and gas exchange takes place is called the seed inlet.

The flower is…

  1. plant generative organ
  2. Vegetative organ of a plant
  3. Monoecious plant organ
  4. A special cell that appears after the fusion of two germ cells

Botane means in Greek

1. large tree

2. grass, plant

3. living being

4. science of nature

25. Most species belong to:

1. gymnosperms

2. mushrooms

3. angiosperms

4. algae

The life form of a plant is called

1. its reproductive organs

2. its stem with leaves

3. his appearance

4. its fruits and seeds

The biennial plants are

1. aster

2. beets

3. corn

4. all these plants

28. The main storage carbohydrate in plants is:

  1. cellulose
  2. starch
  3. fructose
  4. sucrose

29. Living cells are often absent in tissues:

1. coverslip

2. main

3. mechanical

4. storage

30. A variety of multicellular algae appeared on Earth:

  1. 4 billion years ago
  2. 1 billion years ago
  3. 500 million years ago
  4. 100 million years ago

31. Cotyledons are:

  1. germ leaves
  2. escape modifications
  3. pedicel modifications
  4. part of the fetus

  1. The main reserve nutrients in the bean seed are found in:

  1. shells
  2. endosperm
  3. in one of the cotyledons
  4. in both cotyledons
  1. A small amount of fat is found in the seeds

  1. cannabis
  2. flax
  3. peas
  4. sunflower

  1. Root performs

  1. mechanical function
  2. suction function
  3. conductive function
  4. all these features

  1. At the roots of woody plants, the greatest length is

  1. case
  2. dividing zone
  3. growth zone
  4. holding area
  1. Clinging roots are characteristic of

  1. potatoes
  2. ferns
  3. ivy
  4. all these plants

  1. The escape consists of

  1. stem, leaves and buds
  2. stem and roots
  3. stem, roots and buds
  4. leaves and flowers

  1. Adnexal buds may be located on
  1. internodes
  2. roots
  3. leaves
  4. all these parts of the plant
  1. The axial part of the kidney is

  1. twisted leaf buds
  2. stem rudiment
  3. stem rudiment with main root
  4. bundle of axillary buds

  1. The tuber is a modification

  1. escape
  2. main root
  3. lateral root
  4. adventitious root

  1. Sessile leaves are inherent

  1. nettle
  2. sedge
  3. tomato
  4. violets

  1. guard cells form

  1. stomata
  2. columnar tissue
  3. spongy tissue
  4. conductive bundles

  1. The skin of the leaf is made up of

  1. one layer of cells
  2. three layers of cells
  3. twelve layers of cells
  4. several dozen layers of cells

  1. Plants in dry hot places often

  1. do not have leaves
  2. have large leaves
  3. have small leaves
  4. have compound leaves

  1. Mustaches are able to reproduce

  1. strawberries
  2. currant
  3. cabbage
  4. potato

  1. The stalk is
  1. flower base
  2. stem part of a leaf
  3. fruit base
  4. segment of any vegetative organ
  1. Sessile flowers are characteristic of

  1. apple trees
  2. lilacs
  3. dill
  4. plantain

  1. The spike is characteristic of

  1. lily of the valley
  2. cherries
  3. plantain
  4. pears

  1. Pollen in insect pollinated plants

  1. dry
  2. sticky
  3. shallow
  4. light

  1. Double fertilization is typical for

  1. mosses
  2. ferns
  3. gymnosperms
  4. flowering

  1. Many seeds are found in fruits

  1. sunflower
  2. rye
  3. peas
  4. all these plants

  1. Has juicy fruits

  1. peas
  2. radish
  3. Rowan
  4. sunflower

  1. The seed is characteristic of

  1. wheat
  2. dandelion
  3. rye
  4. all these plants

  1. Algae does not have

  1. stem
  2. leaves
  3. roots
  4. all these bodies

  1. Chlamydomonas has

  1. one flagellum at the anterior end
  2. one flagellum at the posterior end
  3. two flagella at the anterior end
  4. two flagella at the posterior end

  1. The filamentous algae are

  1. pleurococcus
  2. chlamydomonas
  3. chlorella
  4. spirogyra

  1. Rhizoids serve to

  1. absorption of nutrients
  2. vegetative propagation
  3. attachment to the substrate
  4. photosynthesis

  1. The bryophyte plants are

  1. kelp
  2. reindeer moss
  3. sphagnum
  4. all these plants

From the spores of cuckoo flax in moist soil is formed

1. thin green thread

2. growth

3. spore-bearing spikelet

4. zygote

  1. The leaves of ferns, unlike the leaves of flowering plants, grow

  1. basis
  2. tip
  3. middle of leaf blade
  4. the entire surface of the leaf blade

  1. The female reproductive organs of ferns are called

  1. oocytes
  2. sprouts
  3. antheridia
  4. archegonia

  1. Horsetail spores

  1. missing
  2. ripen on shoots
  3. ripen in spikelets at the tops of the shoots
  4. mature on the surface of the leaves

  1. The largest flowering of ferns on Earth falls on

  1. present time
  2. period about 50 million years ago
  3. period about 150 million years ago
  4. period about 300 million years ago

  1. Pine needles

  1. change annually
  2. live 2-3 years
  3. live 5-7 years
  4. live throughout the life of the plant

  1. Female cones near the pine are located

1. at the base of young shoots

2. at the base of old shoots

3. on the tops of young shoots

4. on the tops of old shoots

  1. Pine seeds spill out of female cones

  1. at the beginning of summer
  2. at the end of summer
  3. at the beginning of winter
  4. at the end of winter

  1. Monocot plants include

1. garlic

2. asparagus

3. aloe

4. all these plants

  1. The flower formula Ch(5) L(5) T5 P1 is typical for

  1. Rosaceae
  2. moth
  3. solanaceous
  4. Compositae

  1. Belongs to nightshade

  1. potato
  2. tomato
  3. eggplant
  4. all these plants

  1. The home of the potato is

  1. Africa
  2. Southeast Asia
  3. South America
  4. Southern Europe

  1. bamboo blossoms

  1. twice a year
  2. annually
  3. once every few decades
  4. never

  1. Not present in bacterial cell

  1. core
  2. mitochondria
  3. plastids
  4. all these organelles

  1. Spherical bacteria are called

  1. spirillae
  2. cocci
  3. vibrios
  4. bacilli

  1. Bacterial spores are most vulnerable to

  1. boiling
  2. freezing
  3. dehydration
  4. ultraviolet radiation

  1. The human symbiont is

  1. azotobacteria
  2. cholera vibrio
  3. coli
  4. yeast

  1. The agaric fungi include

  1. russula
  2. boletus
  3. flywheels
  4. boletus

  1. Mycelium, consisting of one cell, has

  1. smut
  2. tinder fungus
  3. penicillium
  4. mukor
  1. Mushrooms are the causative agent

  1. black leg
  2. powdery mildew
  3. potato cancer
  4. all these plant diseases

  1. Lichens have

  1. stem, roots and leaves
  2. stem and rhizoids
  3. only rhizoids
  4. do not have any of these organs

  1. Mycelium cells supply the body of the lichen

  1. water and organic matter
  2. water and minerals
  3. exclusively with water
  4. oxygen and carbon dioxide

  1. The process of converting energy into ATP is carried out at the level of organization of living

  1. cellular
  2. molecular
  3. organismic
  4. tissue

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