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BAL BHARATI PUBLIC SCHOOL, PITAMPURA, DELHI-110034
CLASS 6
Getting to know plants
Q1 Differentiate between herbs and shrubs
A
Herbs
Short plants upto 1 metre in height
shrubs
Bigger plants with woody stem
Soft stems
Woody stem
May not have branches
Eg maize
Branches away from the early part of the stem
mango
Q2 Identify the plants as herbs shrubs and treesa) rice-Herb b) tomato-herb c) china rose-shrub d)eucalyptus-tree
Q3 Differentiate between Climbers and Creepers
A Climbers
Creepers
Small plants with very soft stem which needs
support on neighbouring structures and climb
up
Plants with weak stems that cannot stand
upright and spread on the ground
Q4A 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.
A Two pattern are reticulate and parallel venation.
Reticulate venation
Parallel venation
Veins of leaf forms network like design
Veins are parallel to each other
Q5‘Stem has two way traffic.’ Comment.
A Because of 2 reasons1) it conducts water and minerals from roots to different parts of plant
2) it translocate food to different parts of plant
Q6A boy covers a leaf with a polythene bag and leaves it for 24 hours. What will he observe and why?
A He will observe water droplets because of transpiration.
Q7Enlist all the functions of a leaf.
A a Photosynthesis
b) gaseous exchange
c)transpiration
Q8What is the function of veins and midrib in a leaf?
A Transportation of food,water and minerals
Q9Write down the functions of roots.
A a) It helps in the conduction of water and minerals from soil to stem
b)it stores food
c)fix the plant to the soil
d)give support and prevent soil erosion
Q10Write two points of difference between tap root and fibrous roots.
A
Tap root
Fibrous root
There is a main root which grows vertically down There is no main root.it is replaced by a large no. of
It is a strong root system
fibre like root
It is a week root system
Q11If we want to identify the kind roots of a plant, how can we find out by observing the leaves?
A If the leaves have parallel venation then the plants have fibrous roots.If the leaves have reticulate venation then plants have
tap root system
Q12Why is it difficult to separate the sprouted young plants from the cotton wool?
A Because roots help the plant firmly in the soil.
Q13Give few examples of edible root
A turnip,carrot
Q14Give few examples of edible stem
A Potato,onion
Q15 Name 4 whorls of a flower
A a) sepals b)petals c) stamen d)pistil
Q16How are fruits and seeds produced?
A Fruits are formed from ovary .Seeds are formed from ovules