HARD

7th Foundation

IMPORTANT

Earn 100

Nikita took a twig of Petunia plant and dipped it in a beaker containing dissolved coloured dye safranin. She left it for 1-2 hours. Now she prepared a section of this twig and observed it under the microscope. Which of the following is correctly representing the T.S of stem? (Note: The dark area is the place where the red colour is present).

33.33% studentsanswered this correctly

Important Questions on Transportation in Plants and Animals

HARD

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 9

The given bar chart shows the concentration of oxygen in blood samples from four places in the circulatory system of a man. Which sample was taken from the pulmonary artery?

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MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 10

Read the following statements and select the correct option.
Statement 1: Doctors use the urine test to diagnose some diseases in the body.
Statement 2: An examination of urine tells a lot about whether various organs in the body are functioning normally or not.

HARD

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 11

The given figure shows a set-up at the start of an experiment (X) and after a few days (Y). The change observed in setup Y is due to

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MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 12

Refer the following experimental set-up prepared by a group of students.

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What will happen to the water level in the beaker after a week?

MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 13

Consider the following statements. Select the option which correctly identifies true

(T)

and false

(F)

ones.
(i) The valve between left and right atrium allows the blood to flow only in one direction.
(ii) The contents of phloem can move only in the upward direction whereas water in xylem moves both in the upward and downward directions.
(iii) A healthy adult man excretes an average of

1.5

litres of urine everyday.
(iv) Red blood cells are the biconcave, disc shaped structures filled with haemoglobin.

	(i)	(ii)	(iii)	(iv)
(A)	$F$	$F$	$T$	$T$
(B)	$T$	$F$	$T$	$T$
(C)	$F$	$T$	$T$	$T$
(D)	$F$	$F$	$T$	$F$

MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 14

The labelled part $X$ in the given diagram helps plants to

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(i) Take in oxygen
(ii) Take in water vapour
(iii) Give out oxygen
(iv) Give out water vapour

MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 15

Select the incorrect statement.

MEDIUM

7th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 7>Chapter 10 - Transportation in Plants and Animals>EXERCISES>Q 16

Study the given flow chart carefully and select the option which is a correct match of xylem and phloem?

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	Xylem	Phloem
(A)	$P$	$R$
(B)	$R$	$S$
(C)	$S$	$R$
(D)	$Q$	$R$

Important Questions on Transportation in Plants and Animals

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