9 March 2015

CBSE-NCERT Solution : Getting to Know Plants

CBSE NCERT Class VI (6th) | Science | Biology

Chapter  :  Getting to Know Plants

CBSE NCERT Solved Question Answer

Q1 Differentiate between herbs and shrubs
A        Herbs                                                          shrubs
Short plants upto 1 metre in height
Bigger plants with woody stem
Soft stems
Woody stem
May not have branches
Branches away from the early part of the stem
Eg maize

Q2 Identify the plants as herbs shrubs and trees-
a) rice-Herb     b) tomato-herb      c) china rose-shrub    d)eucalyptus-tree Q3 Differentiate between Climbers and Creepers

Q3 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.
A Two pattern are reticulate and parallel venation.

Q4‘Stem has two way traffic.’ Comment.
A Because of 2 reasons-
1) it conducts water and minerals from roots to different parts of plant 2) it translocate food to different parts of plant

A Climbers
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

Reticulate venation
Parallel venation
Veins of leaf forms network like design
Veins are parallel to each other

Q5 A 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.

Q6 Enlist all the functions of a leaf.
A a Photosynthesis
b) gaseous exchange

Q7 What is the function of veins and midrib in a leaf?
A Transportation of food,water and minerals

Q8Write 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

Q9 If 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

Q11Why is it difficult to separate the sprouted young plants from the cotton wool?
A Because roots help the plant firmly in the soil.

Q12Give few examples of edible root 
A. turnip,carrot
CBSE NCERT Class VI (6th) | Science |  | Biology, Getting to Know Plants,  CBSE NCERT Solved Question Answer, CBSE NCERT Solution.
Q13Give few examples of edible stem
A Potato,onion

Q14 Name 4 whorls of a flower
A a) sepals     b)petals   c) stamen    d)pistil 

Q15How are fruits and seeds produced?
A Fruits are formed from ovary .Seeds are formed from ovules