Wonders of the Living World Worksheet for Grade 7 with Solved
Wonders of the Living World Worksheet for Grade 7: Wonders of the Living World Worksheet for Grade 7 students with solution in this page. Students of Standard 7 who are already cleared concept on Wonders of the Living World can solve this paper.
Features of flowering plants
Q1) Name the plants which bears flowers?
Ans The plants which bear flowers are Rose, ʻIddaʼ, Gardenia, Balsam,
Q2) Name the plants which do not bear flowers?
Ans Cycas, Moss, Salvinia do not bear flowers.
Q3) what is flowering plant?
Ans Plants which produce flowers are called flowering plants.
Q4) what is non flowering plant?
Ans Plants which do not bears flowers.
Main parts of a flowering plant
Q1) Name the parts of a flowering plant?
Ans . Tap root
02.) Lateral roots
03.) Root system
04.) Stem
05.) Lateral buds
06.) Leaves
07.) Apical bud
08.) Branches
09.) Fruits
10.) Flowers
11.) Shoot system
Diversity of the parts of flowering plants?
Q1) what is tap root?
Ans Some plants have a single large root which originates from the base of the stem is known tap root.
Q2) what is tap root system?
Ans Roots that originates from the base of the stem
Q3) what is lateral system of roots?
Ans The roots that origanates from the tap root is called lateral system.
Q4) what is fibrous root?
Ans Many roots that originated from the base of a stem is called fibrous root.
Q5) Functions of root system?
Ans Roots help the plant to fix to the soil, also a water and minerals from the soil, and support vegetative propagation.
Q6) what is root nudles?
Ans Nudles are the small structure that are found in the root system.
Q7) Name the plants those who have nudles?
Ans Mimosa plant have nudles.
Q8) what is storage roots?
Ans Roots that store foods are called storage are called storage roots.
Q9) what is the function of following roots?
a) Aerial roots
b) Prop roots
Ans Aerial roots -Absorb water vapour from the atmosphere. Some aerial roots carryout photosynthesis.
Prop roots- Prop roots support the plants branches.
Q10) Name a plant with unbranched stem?
Ans Coconut, Arecanut, Kitul, Palmyrah, Paddy, Bamboo with unbranched plants.
Q11) A plant with branched stem?
Ans Mango, Rambutan, Cashew, Guava,
Shoe flower with branched stem.
Q12) write the functions of plant stem?
Ans Bears flowers, leaves, buds, fruits and seeds.Supports the plant, by keeping rigid.
Transports water and food through plant body.
Q13) what are underground stems?
Ans some plants grow under the stem is called underground stems.
Q14) what is leaf venation?
Ans Proper arrangement of veinlets in the leaf known as venation.
Q15) what is reticulate venation?
Ans The branches that originates from the mid rib and spread out through out the leaves.
Q16) What is parallel venation?
Ans Veinley that appears through mid rib and spread throughout the leaf.
Q17) what is simple leaf?
Ans simple leaf are the leaf where leaf blades are not divided into segments.
Q18) what is compound leaf?
Ans compound leaf are leaf where leaf blades are divided into segment.
Q19) Functions of plants leaves?
Ans The main function of leaves is to make food through the process of photosynthesis
Parts of a flower
Q1) Name the methods seeds are dispersed?
Ans The methods seeds are dispersed are animals, wind water and explosive mechanisms.
Q2) Name the parts of the flower?
Ans The parts of the flower are sepals, petals and androcium.
Q3) What is petal?
Ans Petals are the parts of the plant that attract insects for pollination as well as protect the internal parts of the flower.
Q4) What is sepal?
Ans sepal protects the flower buds.
Q5) What is Androecium?
Ans. Androecium consists of stamen and it is also male part of flower.
Q6) What is Gynoecium?
Ans. It consists of flowering plants.
Diversity of fruits and seeds
Q1) What is seed leaves?
Ans. seeds lobes are known as seed leaves.
Q2) What is monocot seeds?
Ans. Plants that have one seed is called monocot seeds.
Q3) What is dicot seeds?
Ans. plants that have two seeds are called dicot seeds.