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101.

Classify plants based on habitat.

Answer»

Depending upon where plants grow habitats may be classified into major categories: 

1. Terrestrial and 

2. Aquatic.

102.

What is a leaf base?

Answer»

The part of the leaf attached to the node of the stem is called leaf base. It protects growing buds at its axil.

103.

Define phyllome.

Answer»

All the leaves of a plant together are referred as phyllome.

104.

Define ptyxis.

Answer»

Rolling or folding of individual leaves is called as ptyxis.

105.

Flattened cladode is present in …………… . (a) Asparagus (b) Atalantia (c) Carissa (d) Ruscus

Answer»

Flattened cladode is present in Rusus.

106.

Watermelon is a / an …………… plant. (a) biennial (b) perennial (c) geophytic (d) ephemeral

Answer»

(d) ephemeral

107.

Which of the following k polycarpic plant? (a) Mangifera (b) Bambusa (c) Musa (d) Agave

Answer»

(a) Mangifera

108.

Talipot palm, Bamboo and Agave are examples of …………… . (a) polycarpic geophytes (b) therophytes (c) monocarpic geophytes (d) biennial

Answer»

(c) monocarpic geophytes

109.

List out any four primary functions of leaves.

Answer»

Photosynthesis, transpiration, gaseous exchange and protection of buds.

110.

Classify plants based on habit.

Answer»

Based on habit plants are classified into herbs, shrubs, climbers (vines) and trees.

111.

Mention the types of leaves based on petiole.

Answer»

A leaf with petiole is said to be petiolate. e.g. Hibiscus. Leaves that do not possess petiole is said to be sessile, e.g. Calotropis.

112.

What are the parts that constitute the typical leaf?

Answer»

There are three main parts in a typical leaf: 

1. Leaf base (Hypopodium) 

2. Petiole (Mesopodium) and 

3. Lamina (Epipodium).

113.

Which is an example for compound tunicated bulb? (a) Allium cepa (b) Allium sativum (c) Tulipa sps. (d) Bulbophyllum

Answer»

(b) Allium sativum

114.

Musa is an example for …………… . (a) climber (b) runner(c) stolon (d) sucker

Answer»

Musa is an example for sucker.

115.

…………… is an example for polycarpic perennial. (a) Peas (b) Fennel (c) Agave (d) Sapota

Answer»

Sapota is an example for polycarpic perennial.

116.

When perennial plants bear fruits every year they are called as …………… . (a) polycarpic (b) ephemerals (c) annual (d) therophyte

Answer»

(a) polycarpic

117.

…………… is a pseudobulb.(a) Allium cepa (b) Allium sativum (c) Tulipa sps. (d) Bulbophyllum

Answer»

(d) Bulbophyllum

118.

Musa is a monocarpic perennial. Give possible reason.

Answer»

Musa is a monocarpic perennial, since it produces flowers and fruits only once and die after a vegetative growth of several years.

119.

Which is not a character of root stock? (a) Nodes (b) Internodes (c) Terminal bud (d) Root cap

Answer»

(d) Root cap

120.

Eichhornia exhibit …………… type of stem modification. (a) stolon (b) offset (c) runner (d) sucker

Answer»

Eichhornia exhibit offset type of stem modification.

121.

…………… is a horizontally growing underground stem. (a) Corm (b) Rhizome (c) Bulb (d) Tuber

Answer»

Rhizome is a horizontally growing underground stem.

122.

…………… is a perennial, woody plant with several main stems arising from the ground level. (a) Herb (b) Runner (c) Climber (d) Shrub

Answer»

Shrub is a perennial, woody plant with several main stems arising from the ground level.

123.

Underground stems are generally called as …………… . (a) root caps (b) root stocks (c) root pockets (d) root modification

Answer»

(b) root stocks

124.

Which is the primary function of stem? (a) Storage (b) Perennation (c) Photosynthesis (d) Water transport

Answer»

(d) Water transport