T.S. of Monocot Stem

Q. Water containing cavities in vascular bundles are found in

1. Cycas
2. Pinus
3. Sunflower
4. Maize

Q.

The transverse section of a plant material shows the following anatomical features,

(a) the vascular bundles are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths

(b) phloem parenchyma is absent.

What will you identify it as?

Q. Phloem parenchyma is absent in

1. dicot root
2. monocot stem
3. dicot stem
4. dicot leaf

Q.

What are plant growth parameters?

Q.

Grafting is not possible in monocots because they

1. have scattered vascular bundles

2. are herbaceous

3. lack cambium

4. have parallel venation

Q. The tissue that is absent in monocot stem is

1. parenchyma
2. sclerenchyma
3. collenchyma and sclerenchyma
4. collenchyma

Q.

Why is sclerenchyma a dead tissue?

Q.

What is phloem parenchyma? Give its functions.

Q. Vascular bundles are scattered in the ground tissue in ________.

1. dicot root
2. both b and c
3. monocot stem
4. monocot root

Q. A student was given a tissue to observe under the microscope. He observes the tissue and concludes that the tissue is a type of simple plant tissue and provides mechanical support to young stem and petiole of leaf. Identify the tissue.

1. Parenchyma
2. Collenchyma
3. Xylem parenchyma
4. Sclerenchyma

Q. A single shield-shaped cotyledon of grass is known as

1. tigellum
2. scutellum
3. coleoptile
4. coleorhiza

Q.

Do gymnosperms have sieve tubes?

Q.

Question 19
Can girdling experiments be done in monocots? If yes, How? If no, why not?

Q.

Is xylem present in gymnosperms?

Q.

Is intercalary meristem absent in dicots?

If not, give examples.

Q. Which of the following characters is not found in transverse section of monocot stem?

1. Sclerenchyma bundle sheath
2. Lysigenous cavity
3. Starch sheath
4. Sclerenchymatous hypodermis

Q.

Cortex is not differentiated in:

1. Monocot root

2. Dicot root

3. Dicot stem

4. Monocot stem

Q.

The husk of coconut is a _____ tissue.

Q. While observing a slide of a plant tissue under a microscope, a student noticed skull-shaped vascular bundles. It can be said that the observed slide is a transverse section of

1. monocot stem
2. dicot stem
3. dicot root
4. monocot leaf

Q.

Phloem Parenchyma is absent in monocot stem.

1. True

2. False

Q. Y can plants grow through out their life y can't animals....?

Q. Water containing cavities in vascular bundles are found in

1. Cycas
2. Pinus
3. Sunflower
4. Maize

Q.

Are Charophytes vascular?

Q. Select the correct option:Figures X and Y represent the transverse sections of _______ and ________ respectively.

X	Y
(A) dicot root -	dicot stem
(B) monocot root -	monocot stem
(C) dicot stem -	monocot stem
(D) monocot stem -	dicot stem

1. B
2. C
3. D
4. A

Q.

Where do companion cells occur?

Q. In monocot stem

1. Only (a) and (b), (d) are correct
2. Only (b) is incorrect
3. All (a), (b), (c) and (d) are correct
4. Only (c) and (d) are correct

Q.

The transverse section of a plant material shows the following anatomical features, (a) the vascular bundles are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths (b) phloem parenchyma is absent. What will you identify it as?

Q. Phloem parenchyma is absent in the stem of ______.

1. Pea
2. Sun flower
3. Cucurbita
4. Maize

Q. In monocot stem,

1. vascular bundles are conjoint, collateral and closed
2. secondary growth is absent
3. phloem parenchyma is absent
4. all the above

Q. Which one is false about monocot stem?
I. Vascular bundles is scattered, cojoint, close, surrounded by sclerenchymatous bundle sheath and cavity.
II. Hypodermis is scelerenchymatous.
III. Peripheral vascular bundles is smaller than centrally placed ones.
IV. Ground tissue is differentiated into cortex, pericycle, pith, etc.
V. Homogeneous parenchymatous ground.

1. I, III, IV
2. IV
3. III, IV
4. V