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Getting to Know Plants

Description: Science, Getting to Know Plants, Class VI
Number of Questions: 31
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Tags: Science Getting to Know Plants Parts of Plant & their Functions Parts of Flower Herbs, Shrubs and Trees
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Which of the following is a non-woody plant that has green and tender stems with few branches and is usually short?

  1. Mulberry bush

  2. Mustard

  3. Banyan

  4. Mint

  5. Pea


Correct Option: B
Explanation:

A herb is a non-woody plant that has green and tender stems with few branches and is usually short. Mustard is a herb and is the correct choice.

Which of the following is not a female part of the flower?

  1. Pistil

  2. Ovary

  3. Style

  4. Stamen

  5. Stigma


Correct Option: D
Explanation:

Stamen – is the male reproductive part of the flower.

Which of the following is the correct combination of the features found in grass?

  1. Parallel venation and tap root

  2. Parallel venation and fibrous root

  3. Reticulate venation and tap root

  4. Reticulate venation and fibrous root

  5. Fibrous venation and tap root


Correct Option: B
Explanation:

This is the correct answer. Grass has parallel venation and fibrous root.

Which of the following statements is correct?

  1. Stem absorbs the water and minerals from the soil.

  2. The number of petals and filaments in a flower are equal.

  3. Roots conduct the water to the leaves.

  4. The ovary of a flower contains stigma.

  5. The pattern of veins on leaves is called venation.


Correct Option: E
Explanation:

This is the correct choice. The pattern of veins on leaves is called venation.

Which of the following is correct about photosynthesis? (a) Carbon dioxide is released. (b) Oxygen is released. (c) Nitrogen is released.

  1. only a

  2. only b

  3. only c

  4. a and b

  5. a and c


Correct Option: B
Explanation:

This is correct about photosynthesis. Oxygen is released during photosynthesis.

Which of the following is not a function undertaken by the stem?

  1. As a link between roots and other parts of the flower.

  2. As a path for the conduction of water and minerals absorbed.

  3. As a producer of food for the plant.

  4. As a support for holding the plant upright.

  5. As a bearer of flowers and fruit.


Correct Option: C
Explanation:

Yes, it is the correct answer. This is not a function of the stem. Leaves are the food factories of the plants.

Which of the following is/are the male part of the flower? (a) Stamen, (b) Anther, (c) Filament, (d) Stigma

  1. only a

  2. a and b

  3. a, b and c

  4. only d

  5. a, b, and d


Correct Option: C
Explanation:

These are the male parts of the flower.

Which of the following options is a correct explanation of sessile?

  1. Flowers that lack pedicel.

  2. The inner whorl of the flower.

  3. The central female reproductive part of a flower.

  4. The fine dust like particles produced inside the anthers of a flower.

  5. The stalk of a flower.


Correct Option: A
Explanation:

Some flowers lack pedicel, or a stem, such flowers are called sessile.

The two parts of stamen are ____________________.

  1. sepal and pedicel

  2. stigma and style

  3. anthers and filaments

  4. ovary and ovules

  5. lamina and node


Correct Option: C
Explanation:

Anthers and filaments – are the male reproductive parts of the flower. These are the two parts of the stamen.

Which of the following parts of the flower produces the pollen grains?

  1. Sepals

  2. Calyx

  3. Anthers

  4. Pedicel

  5. Petals


Correct Option: C
Explanation:

Anthers – Pollen grains are produced in the anthers of the flowers.

Which of the following is an example of a modified stem?

  1. Potato

  2. Wheat

  3. Lemon

  4. Mint

  5. Pea


Correct Option: A
Explanation:

Potato – is the correct option. Change in shape and size of stem to perform some special function is called modified stem. Storage of food is the main function of modified stem. Potato, onion and ginger are examples of modified stem.

Which of the following is not a whorl of the flower?

  1. Calyx

  2. Corolla

  3. Androceium

  4. Gynoceium

  5. Pedicel


Correct Option: E
Explanation:

Pedicel – is the stem of the flower and is not considered a whorl. Thus, this is the correct answer.

Which of the following is a uni-sexual flower?

  1. Sweet pea

  2. Gulmohur

  3. Passion flower

  4. Musk melon

  5. Lily


Correct Option: D
Explanation:

Musk melon – This is the correct answer. Musk melon is a uni-sexual flower. Uni-sexual flowers are flowers that have either male or female reproductive parts.

Which of the following is a bisexual flower?

  1. Rose

  2. Papaya

  3. Cucumber

  4. Gourd

  5. Watermelon


Correct Option: A
Explanation:

Rose – This is correct as this is a bisexual flower. Flowers that contain both androecium and gynoecium are called androgynous or hermaphroditic. Mostly plants with large showy flowers are bisexual flowers.

Which of the following statements is true? (a) Sugarcane plant has fibrous roots. (b) The shoot system develops from the plumule of the embryo. (c) The stem bears axillary buds and apical buds.

  1. only a

  2. only b

  3. only c

  4. both a and b

  5. a, b and c


Correct Option: E
Explanation:

This is the correct answer. All the statements are correct. Sugarcane plant has fibrous roots. The shoot system develops from the plumule of the embryo. The stem is divided into nodes and internodes and it bears axillary buds and apical buds.

The stem is divided into ____________.

  1. nodes and inter-nodes

  2. apical and axillary buds

  3. petiole and lamina

  4. pedicels and sepals

  5. stamens and pistils


Correct Option: A
Explanation:

This is the correct option as node is the point on the stem from where the leaves and branches arise. The portion of the stem that is between the nodes is called inter-node.

In which of the following plants leaves get modified into spines?

  1. Bouganvillea

  2. Cactus

  3. Henna

  4. Money plant

  5. Sugarcane


Correct Option: B
Explanation:

This is correct. The roots of cactus go deep underground and the leaves get modified into spines to undertake the process of photosynthesis.

Which of the following statements is/are incorrect? (a) Plants synthesize food by the process of photosynthesis. (b) A complete flower consists of four whorls. (c) The tips of the anthers are called filaments.

  1. only a

  2. only b

  3. c only

  4. a and b

  5. b and c


Correct Option: C
Explanation:

This statement is incorrect. The tips of filaments are called anthers.

Which of the following flowers is an incomplete flower?

  1. Mustard

  2. China rose

  3. Pea

  4. Mulberry

  5. Gulmohur


Correct Option: D
Explanation:

In some flowers one or more whorls are missing. Such flowers are called incomplete flowers. Mulberry is an incomplete flower.

Which one of the following is not necessary for photosynthesis? (a) Sunlight, (b) Oxygen, (c) Carbon di-oxide, (d) Chlorophyll

  1. only a

  2. only b

  3. only c

  4. only d

  5. b and d


Correct Option: B
Explanation:

This is the correct answer as oxygen is created during the process of photosynthesis.

Which of the following plants have a fibrous root system?

  1. Wheat

  2. Mustard

  3. Pea

  4. Mango

  5. Neem


Correct Option: A
Explanation:

A number of roots arising in a cluster below the stem and spreading out in the soil is a fibrous root system. Wheat has a fibrous root system.

Which of the following plants has a tap root system?

  1. Wheat

  2. Maize

  3. Sugarcane

  4. Marigold

  5. Banana


Correct Option: D
Explanation:

Marigold has a tap root system.

Which of the following statements is/are incorrect? (a) Ovary matures to form fruit. (b) Broad green part of leaf is called lamina. (c) Stamen forms ovule.

  1. only a

  2. only b

  3. only c

  4. a and b

  5. a and c


Correct Option: C
Explanation:

This is the incorrect statement. Stamen is the male reproductive part of the flower. It does not form ovule. Stamen consists of anthers and filaments.

Which of the following statements is /are incorrect? (a) The stem of a cactus plant performs the function of leaves. (b) The leaves of a cactus are reduced to spines. (c) Cactus stores water in its roots.

  1. only a

  2. only b

  3. only c

  4. a and b

  5. b and c


Correct Option: C
Explanation:

This is the correct choice as this statement is incorrect. The cactus stores water in its stem.

Which of the following statements is/are correct? (a) The pattern of veins on the leaf is called venation. (b) Axil is the angle that a leaf makes with the stem. (c) Bud is an undeveloped shoot.

  1. only a

  2. only b

  3. only c

  4. a and b

  5. a, b and c


Correct Option: E
Explanation:

This is the correct option as all the statements are correct.

Match the Column I (part of the plant) with Column II (function)

Column I Column II
a. Absorption of water and minerals 1. Leaves
b. Conduction of water and minerals 2. Roots
c. Process of photosynthesis 3. Stem
  1. a - 1, b - 2, c - 3

  2. a - 2, b - 3, c - 1

  3. a - 3, b - 2, c - 1

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 1, c - 3


Correct Option: B
Explanation:

This is the correct matching. The roots absorb water and minerals from the soil. The stem helps in carrying the water and minerals to the different parts of the plant.  Leaves carry on the process of photosynthesis.

Match the two columns:

Types of plant Charachteristic
a. Shrub 1. Woody single stem that forms branches.
b. Tree 2. Weak, soft stem not able to stand.
c. Climber 3. Take support of neighboring structure.
d. Creeper 4. Many stems emerging from root.
e. Herbs 5. Can not stand upright and spreads on ground
  1. a - 1, b - 2, c - 3, d - 5 , e - 4

  2. a - 2, b - 5, c - 4, d - 3, e - 1

  3. a - 3, b - 4, c - 2, d - 1, e - 5

  4. a - 4, b - 1, c - 3, d - 5 , e - 2

  5. a - 5, b - 2, c - 4, d - 3, e - 1


Correct Option: D
Explanation:

This is the correct matching. Shrubs have many stems emerging from root. Trees are woody single stem that forms branches. Climbers take support of neighboring structure. Creepers can not stand upright and spreads on ground. Herbs have weak, soft stem not able to stand.

Match the two columns.

Column I Column II
a. Pollen grains 1. Fibrous roots
b. Stomata 2. Anthers
c. Cluster of equal sized structure 3. Leaf
  1. a - 1, b - 2, c - 3

  2. a - 2, b - 3, c - 1

  3. a - 3, b - 1, c - 2

  4. a - 2, b - 3, c - 1

  5. a - 1, b - 3, c - 2


Correct Option: D
Explanation:

This is the correct matching. Pollen grains are produced in the anthers. Stomata is present on the leaf. Fibrous roots are the roots of equal size in a cluster.

Which of the following functions is/are performed by the leaves? (a) Respiration (b) Transpiration (c) Photosyntheis

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a, b and c


Correct Option: E
Explanation:

This is correct. Leaves perform all these functions.

Which of the following parts of a plant is/are the vegetative parts of a plant body?

a. Root b. Stem c. Flowers d. Fruits e. Leaves f. Seeds

  1. a, b and c

  2. b, c and f

  3. a, b and d

  4. a, b and e

  5. c, d and f


Correct Option: D
Explanation:

This is the correct choice. Roots, stem and leaves are the vegetative parts of a plant body.

From the given parts of the plant body, choose the ones that are the reproductive parts?

a. Root b. Stem c. Flowers d. Fruits e. Leaves f. Seeds

  1. a, c and d

  2. b, d and e

  3. c, d and f

  4. a, d and e

  5. a, b and e


Correct Option: C
Explanation:

This is the correct choice as the flowers, fruits and seeds are the reproductive parts of the plant body.

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