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Test: Morphology of Flowering Plants - 2 - NEET MCQ


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15 Questions MCQ Test Biology Class 11 - Test: Morphology of Flowering Plants - 2

Test: Morphology of Flowering Plants - 2 for NEET 2024 is part of Biology Class 11 preparation. The Test: Morphology of Flowering Plants - 2 questions and answers have been prepared according to the NEET exam syllabus.The Test: Morphology of Flowering Plants - 2 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Morphology of Flowering Plants - 2 below.
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Test: Morphology of Flowering Plants - 2 - Question 1

Monstera has

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 1

In some plants, like grass,Monsteraand the banyan tree, roots arisefrom parts of the plant other than theradicle and are called adventitious roots

Topic in NCERT: THE ROOT

Line in NCERT: "In some plants, like grass, Monstera and the banyan tree, roots arise from parts of the plant other than the radicle and are called adventitious roots."

Test: Morphology of Flowering Plants - 2 - Question 2

 Testa of seed develops from

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 2

The outer seed coat (testa) of a seed is produced from outer integument of ovule. The inner integument forms tegmen (inner seed coat). Ovary wall forms pericarp (fruit wall).
Line in NCERT: The seed coat has two layers, the outer testa and the inner tegmen.

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Test: Morphology of Flowering Plants - 2 - Question 3

The parietal placentation is seen in

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 3

In parietal placentation, the ovules develop on the inner wall of the ovary or on peripheral part. Ovary is one-chambered but it becomes two chambered due to the formation of the false septum, e.g., mustard and Argemone.

Topic in NCERT: placentation

Line in NCERT: "In parietal placentation, the ovules develop on the inner wall of the ovary or on peripheral part. Ovary is one-chambered but it becomes two-chambered due to the formation of the false septum, e.g., mustard and Argemone."

Test: Morphology of Flowering Plants - 2 - Question 4

The arrangement of leaves on a stem is called:

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 4

The arrangement of leaves on a stem is called phyllotaxy. There are three types of phyllotaxy
 

Topic in NCERT: Phyllotaxy

Line in NCERT: "Phyllotaxy is the pattern of arrangement of leaves on the stem or branch."

Test: Morphology of Flowering Plants - 2 - Question 5

The root is covered at the apex by a thimble-like structure called

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 5

The root is covered at the apex by a thimble-like structure called the root cap.

Topic in NCERT: Regions of the Root

Line in NCERT: "The root is covered at the apex by a thimble-like structure called the root cap."

Test: Morphology of Flowering Plants - 2 - Question 6

Roots developing from plant parts other than radicle are ​

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 6

Tap roots :-From primary root developing from radical.

Fibrous roots :-As a replacement of primary root.

Adventitious roots:-Through parts other than radical.

Hence (C) is the correct answer.

Topic in NCERT: THE ROOT

Line in NCERT: "In some plants, like grass, Monstera and the banyan tree, roots arise from parts of the plant other than the radicle and are called adventitious roots."

Test: Morphology of Flowering Plants - 2 - Question 7

The form of thalamus in which ovary is at top and stamens, petals and sepals are borne below is called

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 7

Hypogynous: Flowers in which the sepals, petals, and stamens are attached below the ovary are called hypogynous, and the ovaries of such flowers are said to be superior. 

Eg: Tomato, Tulip, and Snapdragon.

Topic in NCERT: Position of floral parts on thalamus

Line in NCERT: "In the hypogynous flower the gynoecium occupies the highest position while the other parts are situated below it."

Test: Morphology of Flowering Plants - 2 - Question 8

The part that develops from the plumule of the embryo of a germinating seed is

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 8

The stem develops from the plumule of the embryo of a germinating seed.

Topic in NCERT: THE STEM

Line in NCERT: "The part that develops from the plumule of the embryo of a germinating seed is the stem."

Test: Morphology of Flowering Plants - 2 - Question 9

Match the following terms with their correct descriptions:

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 9

 

  • A. Epipetalous correctly matches with III. Stamens attached to the petals.
  • B. Epiphyllous correctly matches with IV. Stamens attached to the perianth.
  • C. Monoadelphous correctly matches with I. Stamens united into one bundle.
  • D. Diadelphous correctly matches with II. Stamens united into two bundles.
    These matches are based on the botanical definitions of each term.
Test: Morphology of Flowering Plants - 2 - Question 10

Which plant shows valvate aestivation?

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 10

When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in Calotropis, it is said to be valvate.

Topic in NCERT: Aestivation

Line in NCERT: "When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in Calotropis, it is said to be valvate."

Test: Morphology of Flowering Plants - 2 - Question 11

Placentation in a syncarpous, unilocular ovary bearing two or more placentae longitudinally along the wall is called

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 11

Placentation in a syncarpous, unilocular ovary bearing two or more placentae longitudinallyalong the wall is called parietal placentation.

Topic in NCERT: placentation

Line in NCERT: "In parietal placentation, the ovules develop on the inner wall of the ovary or on peripheral part."

Test: Morphology of Flowering Plants - 2 - Question 12

When the stamens in a flower remain free, it is said to be

Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 12

The correct option is D Polyandrous

Polyandrous flowers are flowers that have many stamens in them, all of which are free from each other.
Example: Flame lily
Monoadelphous stamens are where anthers are free but filaments are united to form a single tube.
Diadelphous stamens are united to form two groups whereas polyadelphous staments are united to form more than two groups.

Topic in NCERT: Androecium

Line in NCERT: "The stamens in a flower may either remain free (polyandrous) or may be united in varying degrees."

Test: Morphology of Flowering Plants - 2 - Question 13
Which of the following correctly describes the floral formula of the Solanaceae family, commonly known as the 'potato family'?
Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 13
The floral formula for the Solanaceae family typically includes the symbol ⊕ indicating actinomorphic flowers, followed by numbers in parentheses that denote united floral parts. Here, the formula '⊕ K5 C5 A5 G(2)' indicates five united sepals (K), five united petals (C), five epipetalous stamens (A), and a bicarpellary, syncarpous gynoecium with a superior ovary (G).
Test: Morphology of Flowering Plants - 2 - Question 14
Assertion: A flower that can be divided into two similar halves in one particular vertical plane is actinomorphic.
Reason: Actinomorphic flowers exhibit radial symmetry, which allows division into two equal halves along any radial plane.
Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 14
The Assertion is false because a flower that can be divided into two similar halves in only one particular vertical plane is described as zygomorphic, not actinomorphic. The Reason is true, correctly describing actinomorphic flowers as those that exhibit radial symmetry and can be divided into two equal halves along any radial plane.
Test: Morphology of Flowering Plants - 2 - Question 15
What is the structure of a typical stamen in the androecium of a flowering plant?
Detailed Solution for Test: Morphology of Flowering Plants - 2 - Question 15
A typical stamen, which is the male reproductive part of a flowering plant, consists of two main components:

Filament: This is the stalk part of the stamen that supports the anther.
Anther: This part is usually bilobed, and each lobe contains two chambers known as pollen-sacs or microsporangia, where pollen grains are produced.
Thus, Option B is correct as it accurately describes the structure of a stamen with both its major components and the details of the anther's internal structure.
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