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Morphology of Flowering Plants - XI

Morphology of Flowering Plants

18 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

In which of the following plants do the roots originate from the base of the stem and constitute the fibrous root system?

  1. Banyan tree
  2. Monstera
  3. Mustard plant
  4. Grass
  5. Wheat plant
Question 2 Multiple Choice (Single Answer)

Which of the following is not a function of the root system?

  1. Absorption of water from the soil
  2. Providing a proper anchorage to the plant parts
  3. Absorption of minerals from the air
  4. Storing reserve food material
  5. Synthesis of plant growth regulators
Question 3 Multiple Choice (Single Answer)

In which of the following is a bud not present?

a. In the axil of petiole of simple leaves
b. In the axil of petiole of compound leaves
c. In the axil of leaflets of compound leaves

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 4 Multiple Choice (Single Answer)

Which of the following are the accessory organs that are arranged successively on the swollen end of stalk?

a. Calyx
b. Corolla
c. Androecium
d. Gynocium

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only c and d
  5. Only b and c
Question 5 Multiple Choice (Single Answer)

Which of the following flowers can be divided into two equal radial halves in any radial plane passing through the centre?

  1. Pea
  2. Gulmohur
  3. Bean
  4. Cassia
  5. Datura
Question 6 Multiple Choice (Single Answer)

Underground stems of which of the following plants are modified to store food in them, which, acting as organs of perennation, tide over conditions unfavourable for growth?

a. Opuntia
b. Euphorbia
c. Potato
d. Colocasia

  1. Only a and b
  2. Only a and c
  3. Only c and d
  4. Only a and d
  5. Only b and c
Question 7 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Androecium is the female reproductive part of the flower and is made up of one or more carpels.
b. When stamens are attached to the petals, they are epipetalous.
c. A carpel consists of three parts namely stigma, style and ovary.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 8 Multiple Choice (Single Answer)

A seed is made up of a seed coat and an embryo, which is further made of one or two cotyledons. Which of the following have two cotyledons?

a. Wheat
b. Maize
c. Gram
d. Pea

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and c
  5. Only c and d
Question 9 Multiple Choice (Single Answer)

Which of the following statements is/are false about the leaf?

a. The leaf develops at the node and bears a bud in its axil.
b. The leaf is the most important vegetative organ for photosynthesis.
c. Pulvinus provides rigidity to the leaf blade and acts as a channel for transporting water, minerals and food materials.

  1. Only a
  2. Only a and b
  3. Only b
  4. Only b and c
  5. Only c
Question 10 Multiple Choice (Single Answer)

The stems spread out branches bearing leaves, flowers and fruits. Which of the following is not a feature of the stem?

  1. The stem develops from the direct elongation of the radicle of a germinating seed.
  2. The stem is the ascending part of the axis.
  3. The stem is responsible for bearing buds.
  4. The stem is responsible for bearing nodes and internodes.
  5. When young, the stem is generally green.
Question 11 Multiple Choice (Single Answer)

Match the following:

 
a. Leaf base 1. It is the green expanded part of the leaf with veins and veinlets.
b. Petiole 2. It helps holding the blade to light.
c. Lamina 3. It helps attaching the leaf to the stem.
  1. a - 3, b - 2, c - 1
  2. a - 3, b - 1, c - 2
  3. a - 2, b - 1, c - 3
  4. a - 2, b - 3, c - 1
  5. a - 1, b - 2, c - 3
Question 12 Multiple Choice (Single Answer)

The arrangement of ovules within the ovary is known as placentation. Which of the following has marginal placentation?

  1. China rose
  2. Argemone
  3. Pea
  4. Dianthus
  5. Sunflower
Question 13 Multiple Choice (Single Answer)

Match the following:

 
a. Alternate type of phyllotaxy 1. In this, two leaves arise as a pair at each node and lie opposite to each other.
b. Opposite type of phyllotaxy 2. In this, a single leaf arises at each node in alternate manner.
c. Whorled type of phyllotaxy 3. In this, more than two leaves arise at a node and form a whorl.
  1. a - 2, b - 3, c - 1
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 2, b - 1, c - 3
  5. a - 3, b - 1, c - 2
Question 14 Multiple Choice (Single Answer)

Which of the following plants belongs to the family Fabaceae?

  1. Belladonna
  2. Aloe
  3. Petunia
  4. Sesbania
  5. Gloriosa
Question 15 Multiple Choice (Single Answer)

In a hypogynous flower, the gynoecium occupies the highest position and the ovary is said to be superior. Which of the following is a hypogynous flower?

  1. Plum
  2. Brinjal
  3. Guava
  4. Peach
  5. Cucumber
Question 16 Multiple Choice (Single Answer)

Which of the following plants have supporting roots coming out of the lower nodes of the stem?

a. Rhizophora
b. Banyan tree
c. Maize
d. Sugarcane

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only c and d
  5. Only b and c
Question 17 Multiple Choice (Single Answer)

Match the following:

 
a. Fibrous root system 1. It is the root system in which the roots arise from parts of the plant other than the radicle.
b. Tap root system 2. It is the root system formed by thin, moderately branching roots growing from the stem.
c. Adventitious root system 3. It is the root system in which a single dominant root develops from the radicle of the embryo vertically underground the soil.
  1. a - 2, b - 1, c - 3
  2. a - 2, b - 3, c - 1
  3. a - 3, b - 2, c - 1
  4. a - 1, b - 2, c - 3
  5. a - 1, b - 3, c - 2
Question 18 Multiple Choice (Single Answer)

Which of the following are dicotyledonous plants and possess reticulate venation?

a. Hibiscus
b. Banana
c. Redgram
d. Wheat

  1. Only a and b
  2. Only a and c
  3. Only a and d
  4. Only b and d
  5. Only b and c
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