Anil Ahlawat Solutions for Chapter: Transportation in Plants and Animals, Exercise 1: EXERCISES

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

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

Consider the following statements. Select the option which correctly identifies true $\left(\mathrm{T}\right)$ and false $\left(\mathrm{F}\right)$ 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.

The labelled part $\mathrm{X}$ in the given diagram helps plants to

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

Select the incorrect statement.

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

Read the given differences between X, Y and Z.

Select the correct statement regarding X, Y, and Z.

Refer to the given figure of blood cells and select the correct statements regarding X, Y, and Z.

(i) X plays a key role in transporting waste carbon dioxide from the tissues to the lungs.
(ii) The pigment present in Z absorbs oxygen and transports it to the cells all over the body.
(iii) X is able to move on their own.
(iv) Y helps the blood to clot whenever there is a wound on the body.
(v) Y is important part of our immune system.
(vi) Z produces special protein substances, i.e., antibodies that protect us from infection.

Refer to the given figure of a sectional view of a blood vessel having a valve. Select the correct statement regarding it.