Types of Leaves

Q. Flower is a modified shoot because

1. Flower develop in the axils of bracts like axillary shoots
2. Floral organs are arranged in whorls.
3. Growth is limited
4. Growth is unlimited

Q. The leaves in silk cotton are

1. simple
2. pinnately compound
3. palmately compound
4. bipinnately compound

Q. The leaflets are attached at a common point in

1. pinnately compound leaf
2. palmately compound leaf
3. none of these
4. simple leaf

Q. The leaves without petiole are called

1. Rachis
2. Lamina
3. Sessile
4. Petiolate

Q.

Do all stems have Lenticels?

Q.

What are the buds present in the axil of leaves capable of forming?

Q. Study the following statements and select the correct option
(i) Buds are present in the axil of leaflets of the compound leaf.
(ii) Pulvinus leaf-base is present in some leguminous plants.
(iii) In Alstonia, the petioles expand, become green and synthesize food.
(iv) Opposite phyllotaxy is seen in guava.

1. (ii), (iii) and (iv) are correct but (i) is incorrect
2. (ii) and (iv) are correct but (i) and (iii) are incorrect
3. (i) and (iii) are correct but (ii) and (iv) are incorrect
4. (i) and (iv) are correct but (ii) and (iii) are incorrect

Q. Choose the correct option:

1. Pinnately compound leaf is found in neem
2. Palmately compound leaf can be seen in neem
3. Pinnately compound leaf are found silk cotton
4. Palmately compound leaf is found in china rose

Q. What is the function of stipule?

Q.

If in desert plants chlorophyll is in stem so where is the stomata does photosynthesis takes place in day time or night time??

Q. Pinnately compound leaf is present in

1. Hibiscus
2. mango
3. neem
4. silk cotton

Q. Famous embryologist of India who also advanced the science of morphology and tissue culture in India is

1. Ramdeo Misra
2. Swaminathan
3. T.S. Sadasivan
4. P. Maheshwari

Q. Which of the following is the logical sequence of primary succession in water?

1. Small phytoplanktons → Rooted hydrophytes → Free-floating angiosperms→ Sedges → Grasses → Trees
2. Free-floating angiosperms → Small phytoplanktons → Rooted hydrophytes → Grasses → Sedges → Trees
3. Small phytoplanktons → Sedges → Free floating angiosperms → Rooted hydrophytes → Grasses → Trees
4. Small phytoplanktons →Sedges → Grasses → Free-floating angiosperms → Rooted hydrophytes → Trees

Q.

What is the role of scale leaves in onion and garlic?

Q.

In a palmately compound leaf, the leaflets are attached to

1. rachis

2. branch of rachis

3. tip of petiole

4. node

Q.

An example of a palmate leaf is ____________

1. Neem leaf

2. Gulmohar leaf

3. Banana leaf

4. Clover leaf

Q.

How is pinnately compound leaf different from palmately compound leaf?

Q. Ray florets of sunflower:

1. Are epigynous
2. Have superior ovary
3. Have half superior ovary
4. Are perigynous

Q.

Simple leaf consists of leaflets.

1. True
2. False

Q. The leaves without petiole are called

1. Sessile
2. Petiolate
3. Rachis
4. Lamina

Q.

The simple leaf consists of leaflets.

1. True
2. False

Q. Read the following five statements (A - E)
(A) Sheathing leaf base is found in monocotyledons.
(B) In some leguminous plants the leaf base may become swollen, which is called the pulvinus.
(C) A bud is present in the axil of leaflets of the compound leaf.
(D) Palmately compound leaves are found in neem.
(E) Whorled phyllotaxy is found in Alstonia.
How many of the above statements are correct?

1. Four
2. One
3. Two
4. Three

Q.

How is pinnately compound leaf different from palmately compound leaf?

Q.

Which of the following is an example of a compound leaf?

1. Palm leaf

2. Maple leaf

3. Banana leaf

4. Mango leaf

Q. Match the following with the right pair.

Set I	Set II
i. Leguminous plants	a. Petioles synthesize food
ii. Onion	b. Pulvinus
iii. Australian acacia	c. Whorled phyllotaxy
iv. Alstonia	d. Fleshy scales

1. i-d, ii-b, iii-c, iv-a
2. i-c, ii-d, iii-b, iv-a
3. i-a, ii-b, iii-c, iv-d
4. i-b, ii-d, iii-a, iv-c

Q.

Name five plants and their parts that we eat?

Q.

Which among the following are correct statements?

(1) A bud is present in the axil of petiole in both simple and compound leaves.

(2) A bud is present in the axil of every leaflet.

(3) A bud is present in the axil of a branch.

(4) The rachis of a compound leaf represents the midrib of the leaf.

1. (1) and (2) only

2. (2) and (3) only

3. (1) and (4) only

4. (1), (2), (3) and (4)

Q. A compound leaf with more than three pinnate nature is

1. Decompound
2. Multifoliate
3. Quadrifoliate
4. Tripinnate

Q. Removal of Ringwood of tissue outside the vascular cambium from the tree trunk kills it because :–

1. Water cannot move up
2. Food does not travel down and root becomes starved
3. Shoot becomes starved
4. Annual rings are not produced

Q. A unipinnate compound leaf can be differentiated from a branch having simple leaves by

1. Presence of terminal bud in compound leaf.
2. Absence of veins in the leaflets.
3. Presence of buds in the axils of leaflets.
4. Presence of buds in the axils of leaves.