Plant Kindom - Study Mode

Show All Answers

[#1] In the most common type of collenchyma the cell walls are composed of

(A) Pectin

(B) Cutin

(C) Cellulose

(D) Both A and C

Correct Answer

(D) Both A and C

[#2] Who among the following was the first to give clear-cut evidence of a virus?

(A) Griffith

(B) Ivanovski

(C) d'Herelle

(D) Chase

Correct Answer

(B) Ivanovski

[#3] Match List-I with List-II and select the correct answer: List-I List-II a. Anomocytic stomata 1. Every stomata is surrounded by three cells of unequal size b. Anisocytic stomata 2. The guard cells are surrounded by four or more subsidiary cells that are elongated radially to the guard cells c. Paracytic stomata 3. Stomata are surrounded, in addition to the guard cells, by two subsidiary cells with their long axis parallel to the guard cells d. Actinocytic stomata 4. Stomata are surrounded by a limited number of cells that are of similar shape, size and form and can not be distinguished from the rest of the epidermal cell

(A) a-1, b-3, c-2, d-4

(B) a-3, b-2, c-1, d-4

(C) a-4, b-1, c-3, d-2

(D) a-2, b-1, c-4, d-3

Correct Answer

(C) a-4, b-1, c-3, d-2

[#4] The ending recommended for the order taxa is

(A) ae

(B) aceae

(C) ales

(D) abc

Correct Answer

(C) ales

[#5] The merits of Bentham and Hooker's natural system of classification include:

(A) This system indicates phylogenetic relationship among different taxa of plants

(B) The position of Orchidaceae and Scitamineae at the beginning of the monocots is of great importance

(C) The origin of angiosperms was well established

(D) Greater emphasis has been laid on the contrast between free and united petals

Correct Answer

(D) Greater emphasis has been laid on the contrast between free and united petals