CBSE Class 6 Science Getting To Know Plants Worksheet Set F

I) Fill in the blanks :

1. Roots, stem and leaves constitute the _________________________parts of the plant.

2. Flowers and fruits are the ____________________ parts of the plant.

3. _______________________is the flat green part of a leaf.

4. _______________________is the female reproductive organ of a flower.

5. The root system consisting a main root from which lateral roots develop is called ___________________________

6. The pattern of veins on the leaf is called ____________________

7. Loss of water in the plants through stomata is called _____________________

8. A flower which has both male(stamen) and female(pistil) parts is known as a _____________________ flower.

II) Write True or False :

1. Dodder(cuscuta) is a flowering plant with a no leaf. 

2. A small plant with a green soft stem is called shrub. 

3. Pollen grains are fine dust-like particles produced inside anthers of a flower.

4.Leaves are attached to the stem at places called nodes. 

5. The stalk of a leaf is called pedicel. 

III) Name the following :

1. Two complete flowers.

2. Two incomplete flowers.

3. Two plants showing parallel venation.

4. Two climbers.

IV) Diagrams :

1. Tap root and Fibrous roots (Page :72)

2. Structure of a leaf (Fig 7.8 & 7.9 Pg :76)

Getting To Know Plants

FILL IN THE BLANKS

1 The innermost part of a flower is called ___________

2 Plants synthesis food by the process of ___________

3 Plants with green tender stems are called ____________

4 The pattern of veins on the leaf is called ____________

5 The broad green part of the leaf is called ___________

6 The part of a leaf by which it is attached to the stem is called _________

NAME THE FOLLOWING

1. Any two creepers .___________ ____________

2 Two types of root systems ______________ _____________

3. Three types of plants ___________ ________ ____________

4 Two types of venation _____________ _______________

TRUE OR FALSE

1 Ovary is a part of stem ._____________

2 The stem help in holding the plant firmly in the soil.___________

3 Leaves give out water vapour through the process of transpiration._______________

4 Plants with weak stem that cannot stand upright and spread on the ground are called ______________

5 Plants can carry out photosynthesis without carbon dioxide._______________

DEFINE THE FOLLOWING

1 Herbs

2 shrub

3 tree

4 Creeper

5 climber

6 venation

7 photosynthesis

8 transpiration

DISTINGUISH BETWEEN THE FOLLOWING

1 Taproot system and fibrous root system

2 Reticular venation and parallel venation

3 Roots and stem

4 Herbs , Shrubs and Trees

I. Fill in the blanks:

1. Roots, stem, leaves constitute the _____________ parts of the plant.

2. Flowers and fruits are the _____________ parts of the plant.

3. _____________is the flat green part of a leaf.

4. _____________ is the female reproductive organ of a flower.

5. The root system consisting a main root from which lateral roots develop is called ____________.

6. The pattern of veins on the leaf is called _____________.

7. Loss of water in the plants through stomata is called ____________.

8. A flower which has both male (stamen) and female (pistel) parts is known as a __________ flower.

II. Write True or False:

1. Dodder (cuscuta) is a flowering plant with no leaf. { }

2. A small plant with a green soft stem is called shrub.{ }

3. Pollen grains are fine dust-like particles produced inside anthem of a flower{ }

4. Leaves are attached to the stem at places called nodes.{ }

5. The stalk of a leaf is called pedicel. { }

III. Name the following :

1. Two complete flowers.

2. Two incomplete flowers.

3. Two plants showing parallel venation.

4. Two climbers.

IV. Diagrams:

1. Tap root and Fibrous roots (Page 72)

2. Structure of a leaf. fig: 7.8 & 7.9 pg.8

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1.Plants having leaves with reticulate venation have___.
(A) Fibrous roots.
(B) Supporting roots.
(C) Tap root.
(D) None of these

2.On a hot summer day the leaves of a plant drop down because
(A) The plant becomes weak.
(B) Excessive transpiration takes place.
(C) Excessive photosynthesis takes place.
D) No transpiration occurs

3.Which plant part absorbs water and minerals from the soil?

4.What do you mean by the term venation?

5.Which plant part gives out water vapours during the process of transpiration?

6.Name the term used for thick vein present in the middle of the leaf.

7.Tomato plant has a green and tender stem, it is a:
(A) Herb
(B) Shrub
(C) Climber
(D) Tree

8.Plants with weak stemsthat climb on neighbouring objects are:
(A) Herb
(B) Creeper
(C) Climber
(D) Shrub

9.Function of a root is:
(A) Preparing food.
(B) Bearing leaves
(C) Absorption of water and minerals.
(D) Conduction of water

10.Conduction of water is the function of:
(A) Leaf
(B) Stem
(C) Root
(D) Flower

11.When the venation appears as a net-like design on both sides of the midrib it is called:
(A) Parallel
(B) Simple venation
(C) Reticulate
(D) None of these

12.When a polythene bag is tied around the leaf of a plant, the water droplets appear on it due to:
(A) Perspiration.
(B) Transpiration.
(C) Evaporation.
(D) Polythene lost

13.Transpiration occurs mainlythrough the ______ of a plant.
(A) Roots.
(B) Stem.
(C) Bud.
(D) Leaves

14.Which gas is released by the plants during photosynthesis?
(A) O₂.
(B) CO₂.
(C) H₂.
(D) N₂

15.Which chemical is used to test the presence of starch?
(A) Spirit.
(B) Iodine.
(C) NaOH.
(D) Water

16.Before testing for starch, the plant is put in a dark room to:
(A) Remove the already stored starch.
(B) Make the plant unhealthy.
(C) Make the leaves yellow.
(D) Stop starch formation

17.The part of the leaf with which it is attached to the stem is:
(A) Lamina
(B) Stalk
(C) Petiole
(D) Vein

18.Green leaves prepare food in presence of sunlight using ____ and ___.
(A) Carbon dioxide and water.
(B) Water and Oxygen.
(C) Oxygen and Nitrogen.
(D) Oxygen and carbon dioxide

19.In which form is the prepared food stored in potato?
(A) Glucose
(B) Fat
(C) Starch
(D) Glycogen

20.Before testing the leaf for the presence of starch, it is covered with a black paper because
(A) Black is good absorber of sunlight.
(B) It prevents the leaf from preparing food.
(C) It will give a good starch test.
(D) It has no effect on the starch test

21.The root system in which the main root grows vertically downwards giving out lateral root is:
(A) Fibrous root
(B) Adventitious root
(C) Tap root
(D) Stilt root

22.Plants wth fibrous roots have this kind of venation in their leaves:
(A) Parallel
(B) Reticulate
(C) Lateral
(D) None of these

23.The outermost part of a flower which also encloses the bud is called:
(A) Petal
(B) Pistil
(C) Stamen
(D) Sepal

24.The innermost part of the flower is:
(A) Pistil
(B) Stamen
(C) Petal
(D) Sepal

25.Select the parts of the pistil in a flower from the following:
Stigma, style, ovary, petals, anther, filament.
(A) Stigma, petals, anther
(B) Stigma, style, ovary
(C) Anther, filament, style
(D) Stigma, ovary, anther, style

26.Ovules are present in :
(A) Ovary
(B) Stigma
(C) Style
(D) Filament

27.Which of the following leaves have reticulated venation:
Wheat, Tulsi, Maize, Grass, China rose?
(A) Tulsi, Wheat
(B) Maize, Grass
(C) Wheat, China Rose
(D) Tulsi, China Rose

28.The petals are joined in which of the following plants:
(A) Datura
(B) Gulmohar
(C) China rose
(D) Rose

29.Match the following and choose the correct answer from the code given below :
    Column I                         Column II
i) Sepals                     A) loss of water in the form of water vapours
ii) Transpiration           B) green in colour
iii) Grass                     C) flattened part of the leaf
iv) Lamina                  D) parallel venation
(A) i)-A); ii)-B); iii)-D); iv)-C
(B) i)-C); ii)-A); iii)-D); iv)-B)
(C) i)-B); ii)-A); iii)-D); iv)-C
(D) i)-A); ii)-D); iii)-B); iv)-C )

30.Plant which does not have distinct roots and stem is-
(A) Algae.
(B) Moss.
(C) Both (a) and (b).
(D) None of these

31.A plant in which leaf is modified into tendril is-
(A) Rose plant.
(B) Sunflower plant.
(C) Pea plant.
(D) None of these

32.Find the odd one out.
(A) Banyan.
(B) Rose.
(C) Mango.
(D) Neem

33.Which of the following is a true statement?
(A) The roots that grow on the stem of a plant are called fibrous roots.
(B) Stem is the underground part of the plant.
(C) The anthers carry several pollen grains.
(D) Plants can synthesize their food without sunlight.

34.The kitchen of a plant is ____.
(A) Stem.
(B) Leaf.
(C) Root.
(D) Flower

35.Transport of water and minerals in plant is done by-
(A) Root.
(B) Leaf.
(C) Stem.
(D) Flower

36.The pattern of veins on leaf is known as-
(A) Catenation.
(B) Venation.
(C) Transpiration.
(D) None of these

37.Find the odd one out.
(A) Radish.
(B) Carrot.
(C) Turnip.
(D) Cactus

38.Sweet potato is a modified________.
(A) Root.
(B) Stem.
(C) Leaf.
(D) Fruit

39.The process of losing water in the form of vapours by leaves is called_____.
(A) Photosynthesis.
(B) Transpiration.
(C) Respiration.
(D) Evaporation

40.Which of the following is not the function of roots?
(A) Prepare food for plants by photosynthesis.
(B) Absorb water and minerals from the soil.
(C) Hold the plant firmly in the soil.
(D) Prevent soil erosion

41.The part of plant that bears leaves, flowers and fruits is-
(A) Primary root.
(B) Stem.
(C) Secondary root.
(D) None of these

42.Match the items of column 'A' with the items of column 'B': 
    Column 'A'            Column 'B'
I. Grass                 (A) Shrub
II. Rose                 (B) Tree
III. Mango             (C) Creeper
IV. Cucumber (D) Herb
(A) I-B, II-A, III-C, IV-d
(B) I-D, II-A, III-B, IV-C
(C) I-C, II-D, III-A, IV-B
(D) I-C, II-A, III-B, IV-D

43.A flower with joined sepals is-
(A) Rose.
(B) Sunflower.
(C) Mustard.
(D) None of these

44.Which of the following is the male part of a flower?
(A) Pistil.
(B) Sepals.
(C) Stigma.
(D) Stamen

45.Chlorophyll is present in-
(A) Roots.
(B) Green leaves.
(C) Stem.
(D) Branches

46.Which of the following is not a flower's part?
(A) Sepals.
(B) Pistil.
(C) Lamina.
(D) Petals

47.Which of the following has fibrous root?
(A)Wheat.
(B) Peas.
(C) Radish.
(D) Neem

48.Grouping of plants is on the basis of their-
(A) Height.
(B) Stems.
(C) Branches.
(D) All the above

49.The plants with weak stem and which take support of neighbouring structures for climbing upwards are called-
(A) Creepers.
(B) Herbs.
(C) Climbers.
(D) Shrubs

50.All green plants are-
(A) Heterotrophs.
(B) Autotrophs.
(C) Herbivores.
(D) None of these

51.Small and non woody plants are known as-
(A) Trees.
(B) Shrubs.
(C) Herbs.
(D) Climbers

52.Define Transpiration.

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53.Mention two functions of a stem.

54.Name the main part of a plant, which produces its food. Name this process.

55.How are plants classified?

56.What is meant by photosynthesis?

57.What are the functions of a root

58.How can you identify the type of root system of a Plant has without pulling it out of the soil?

59.How can you justify that stem acts like a two-way street?

Q1. Differentiate between herbs and shrubs.

Q2. A boy goes to a garden and describes various types of plants. Identify the characteristics of plants on the basis of which they are classified as herbs, shrubs and plants. Give examples.

Q3. Differentiate between climbers and creepers. Give examples.

Q4. Why do some plants need support to climb upwards?

Q5. Enlist the functions of a stem.

Q6. A student keeps a twig in red ink. After few hours, he observes red lines in stem and leaves. Explain, what has happened?

Q7. Write a short note on modified stems.

Q8. Draw a well labelled diagram of a leaf.

Q9. A girl in biology laboratory observes a design on different leaves. She identified two particular kinds of pattern. Identify those patterns and write difference between two.

Q10. ‘Stem has two way traffic.’ Comment.

Q11. ‘Stem is a two way street.’ Comment.

Q12. Draw a well labelled diagram of stomata.

Q13. Write down the functions of stomata.

Q14. A boy covers a leaf with a polythene bag and leaves it for 24 hours. What will he observe and why?

Q15. Enlist all the functions of a leaf.

Q16. Mention a test to detect presence of starch in a leaf.

Q17. What is the function of veins and midrib in a leaf?

Q18. Write down the functions of roots.

Q19. Write two points of difference between tap root and fibrous roots.

Q20. If we want to identify the kind roots of a plant, how can we find out by observing the leaves?

Q21. Why is it difficult to separate the sprouted young plants from the cotton wool?

Q22. Give few examples of edible roots.

Q23. Write a short note on modified root.

Q24. Name 4 whorls of a flower.

Q25. Why are pistil and stamen very important in a plant?

Q26. Draw a well labelled diagram of a flower (vertical section).

Q27. How are fruits and seeds produced?

Q28. Why does a cactus plant have fleshy leaf like photosynthetic branches?

Q29. Why are leaves termed as the “food factories of the plant”?

Q30. Why are leaves of few plants modified into tendrils? Give examples.