CBSE Std 7 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Which component blocks the flow of blood and prevent blood loss during injury?

(A) WBC	(B) RBC
(C) Platelets	(D) Proteins

Std 7

CBSE

Practice in Related Chapters
Nutrition in Plants
Nutrition in Animals
Transportation in Animals and Plants
Respiration
Soil
Weather, Climate and Adaptations of Animals to Climate
Water- A Precious Resource
Forests: Our Lifeline
Transportation and Excretion
Natural Resources-Forest Products
Waste Management
Reproduction in plants
Waste water Management
Forest and Their Conservation
Movements of Substances
The Living World and its Surroundings
Multiplication in Plants
Living Science
Introduction to Cells
Cell Organelles
Levels of Organisation
Organ Systems of Human Body
Life Processes: Nutrition in Animals and Plants
Life Processes-Movement in Plants and Animals