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Olympiad Test: Transport And Excretion -2


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10 Questions MCQ Test Science Olympiad Class 7 | Olympiad Test: Transport And Excretion -2

Olympiad Test: Transport And Excretion -2 for Class 7 2022 is part of Science Olympiad Class 7 preparation. The Olympiad Test: Transport And Excretion -2 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Transport And Excretion -2 MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Transport And Excretion -2 below.
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Olympiad Test: Transport And Excretion -2 - Question 1

The droplets of water arranged at the edges of leaves of roses in the morning are

Detailed Solution for Olympiad Test: Transport And Excretion -2 - Question 1

The droplets of water arranged at the edges of leaves or flower in the morning is due to water transpired from stomata and lenticels. 

Olympiad Test: Transport And Excretion -2 - Question 2

Plants store waste materials in

Olympiad Test: Transport And Excretion -2 - Question 3

When the muscles of the heart contract

Olympiad Test: Transport And Excretion -2 - Question 4

When the muscles of the heart relax,

Olympiad Test: Transport And Excretion -2 - Question 5

Blood from the left ventricle is pumped to

Olympiad Test: Transport And Excretion -2 - Question 6

Match the following 

Detailed Solution for Olympiad Test: Transport And Excretion -2 - Question 6

-Major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.

-Blood carries oxygen and other important nutrients that all body organs need to stay healthy and to work properly. Our heart is a muscle, and its job is to pump blood throughout your circulatory system.

-our lungs are part of the respiratory system, a group of organs and tissues that work together to help us breathe. The respiratory system's main job is to move fresh air into our body while removing waste gases.

-The stomach is a hollow organ, or "container," that holds food while it is being mixed with stomach enzymes. These enzymes continue the process of breaking down food into a usable form. Cells in the lining of the stomach secrete a strong acid and powerful enzymes that are responsible for the breakdown process.

Olympiad Test: Transport And Excretion -2 - Question 7

In potato experiment, sugar level inside potato is increased due to

Olympiad Test: Transport And Excretion -2 - Question 8

______ is the flow of water molecules from the region of higher water pressure to the region of lower water pressure through a semipermeable membrane.

Detailed Solution for Olympiad Test: Transport And Excretion -2 - Question 8

Osmosis is the flow of water molecules from the region of higher water pressure to lower water pressure through a semipermeable membrane is called osmosis.

Olympiad Test: Transport And Excretion -2 - Question 9

______ animals excrete ammonia in gaseous form.

Olympiad Test: Transport And Excretion -2 - Question 10

Human heart represents

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