Isobilateral Leaf

Q.

What are the different types of cells in the human body?

Q.

Which tissue contains chloroplast in cells?

1. Sclerenchyma

2. Aerenchyma

3. Parenchyma

4. Chlorenchyma

Q. In which of the following plants, sunken stomata are found:

1. Nerium
2. Hydrilla
3. Mango
4. Guava

Q.

Leaf movement in Mimosa helps to:

1. Reduce photosynthesis and protect from greasers

2. Protect from high wind

3. Releasing phyto hormones

4. Regulate its growth

Q. Which of the following plant shows multiple epidermis?

1. Croton
2. Allium
3. Nerium
4. Cucurbita

Q. The internal structure of monocot leaf is similar to dicot leaf in the

1. presence of stomata
2. absence of mesophyll
3. arrangement of stomata
4. absence of stomata

Q. A leaf showing stomata and cuticle on upper epidermis, raphides in the mesophyll and diaphragm cells, belongs to a plant that probably is a :

Q. which type of leaf simple or compound does peepal have?

Q. Identify A, B, C and D in the given transverse section of leaf Zea mays.

1. A-Abaxial epidermis, B-Adaxial epidermis, C-Xylem, D-Phloem
2. A-Adaxial epidermis, B-Abaxial epidermis, C-Xylem, D-Phloem
3. A-Adaxial epidermis, B-Abaxial epidermis, C- Phloem, D- Xylem
4. A-Abaxial epidermis, B-Adaxial epidermis, C- Phloem, D- Xylem

Q. Which among the following is not a feature of monocot leaves?

1. Parallel venation
2. Amphistomatic
3. Bulliform cells
4. Bean-shaped guard cells

Q.

Bulliform cells take part in:

1. Protection of leaves

2. Drooping of leaves

3. Curling of leaves

4. Providing strength to leaves

Q. What are bulliform cells? What is their function?

Q. Which among the following is not a feature of monocot leaves?

1. Parallel venation
2. Amphistomatic
3. Bulliform cells
4. Bean-shaped guard cells

Q. Which of the following is not true for plant cells?

1. Bulliform cells are present only in isobilateral leaves
2. Subsidiary cells are part of the stomatal apparatus
3. Lenticels are pores in woody plants for gas exchange
4. Companion cells are part of the epidermal tissue system

Q.

What's pulvinus

Q.

The tissue found in the walls of the veins of leaves?

Q.

Main function of a leaf is to

1. prepare food for the plant

2. protect the plant

3. anchor the plant

4. distribute food in the plant body

Q. The internal structure of monocot leaf is similar to dicot leaf in the

1. absence of mesophyll
2. arrangement of stomata
3. absence of stomata
4. presence of stomata

Q. Which of the following is the role of bulliform cells in the leaf?

1. Curling of leaves

2. Opening up of the leaf blade

3. Providing strength to leaves

4. Drooping of leaves.

Q.

A plant having 18 branches and 240 leàves, how many shoot apical meristem are present in it-

1)1

2)18

3)19

4)2

Q. What differentiates a dicot leaf from monocot leaf?

1. Stomata only on upper side
2. Stomata on upper and lower sides
3. Differentiation of palisade and spongy parenchyma
4. Parallel venation

Q. Water hyacinth floats on the water surface. Explain.

Q. Stomata open during day time, because the guard cells

1. Prepare osmotically active sugars or organic acids by photosynthesis
2. Are thin-walled
3. Are bean shaped
4. Have to help in gaseous exchange

Q. The diagram given below represents the T.S. of monocot leaf. Identify the parts labelled as $A,B,C$ and $D$, which denote their functions and choose the correct one given below.

1. A: Motor action, B: Photosynthesis, C: Conduction, D: Transpiration
2. A: Motor action, B: Condution, C: Photosynthesis, D: Transpiration
3. A: Transpiration, B: Photosynthesis, C: Conduction, D: Transpiration
4. A: Transpiration, B: Conduction, C: Photosynthesis, D: Motor action

Q.

Phloem pare​​​​​nchyma is absent in

Q. What is an isobilateral leaf? Give an example.

Q. Assertion :The isobilateral leaf has equal number of stomata on both surfaces. Reason: The dorsiventral leaf has greater number of stomata on upper surface.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Select the true statement for a isobilateral leaf.

1. The stomata are present on both the surfaces
2. Mesophyll is differentiated into palisade & spongy
3. Cuticle is always absent on both surfaces
4. Vascular bundles are open & conjoint

Q. The parenchymatous cell which lie between xylem and phloem in dicot root is known as-

1. Complementry cell
2. Conjunctive tissue
3. Pith
4. Pericycle

Q. What is the difference between epiblema and epidermis ?