Introduction to Transport in Plants

Q.

In which direction does the phloem transfer its contents?

Q.

Why is conduction considered to be an important process in plants?

1. All of the above

2. The water and minerals are transported upward through the xylem.

3. It helps in the distribution of food and water throughout the plant body.

4. The organic food materials are transported both upward and downward through the phloem.

Q.

The diagram shows a plant. What is the pathway taken by the water absorbed by this plant?

1. X → Y → Z

2. W → Y → Z

3. Z → Y → X

4. Z → Y → W

Q. Why do flowering plants need substances such as water, mineral nutrients, organic nutrients and hormones? Do non flowering plants need the same substances?

Q.

Which of the following parts of a plant body carries out the process of conduction?

1. Parenchyma

2. Xylem

3. Phloem

4. All of the above

Q.

The two elements of conduction in plants are

1. Flower and seed

2. Phloem and root

3. Xylem and Phloem

4. Phloem and veins

Q.

Name the following:

Conducting tissue that distributes food prepared by the leaves to different parts of the plant.

Q.

Prepared food material is carried through

1. Xylem

2. Phloem

3. Root Hair Cells

4. Xylem and Phloem

Q.

Food moves through xylem and water through phloem in plants.

1. True

2. False

Q.

In flowering plants, the substances that need transportation are__________.

1. Water and mineral nutrients only

2. Water and plant growth regulators only

3. Mineral nutrients and organic nutrients only

4. Water, mineral nutrients, organic nutrients and hormones

Q.

In plants, ascent of sap takes place through

1. Xylem

2. Cortex

3. Phloem

4. Pith

Q.

Both xylem and phloem constitute ________.

Q.

If the xylem vessel of the plants are plucked then

1)The leaves will turn yellow. 2)no food will be made

3)the plant will wilt 3) the plant will continue to grow

Q. Mineral ions diffuse out of the xylem vessels at the fine vein ending and are passively taken up by the cells. State true or false.

1. True

2. False

Q. Differentiate between shoot apical meristem and root apical meristem

Q.

The type of vascular tissue that transports water and minerals in plants from roots to leaves is phloem.

1. True

2. False

Q. What type of soil water is available to plants? Define it.

Q.

The vascular bundles in the roots of plants are positioned towards the

1. Left

2. right

3. center

4. upermost layer

Q.

______________________and _______________are conducting tissues in plants.

Q.

What is the use of xylem

Q. Which of the following structure is responsible for transportation of water in higher plants?

1. Sieve tube
2. Companion cell
3. Sieve cell
4. Vessel

Q. The vascular tissue for transport of water and minerals in plants is

1. Phloem.
2. Xylem.
3. Blood.
4. Root.

Q.

Which of the following is responsible for the transport of solutes?

1. Xylem

2. Parenchyma

3. Phloem

4. Collenchyma

Q.

what is meant by vascular tissues? how the xylem transports the water and minerals to plant?

Q. The carbohydrate synthesized in the leaves are transported through sieve tubes, most commonly in the form of _____________

1. Sucrose
2. Cellulose
3. Glucose
4. Soluble starch

Q.

Groups of cells working together to perform a specific function in organisms are called ___.

Q. In the module it is written that smooth muscle fibres do not have sarcolemma, is that means they dont have a plasma membrane?(but in my school book it is given the smooth muscle cells are enclosed in plasma membrane)

Q.

The plasma membrane of root hair is ___ in nature.

1. Semi-permeable

2. Permeable

3. Transparent

4. Impermeable