Biology GK · all questions

Plant Kindom
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

449

Questions

6/23

Page

Pick an option on a question to see the right answer and solution.

Q101

In the most common type of collenchyma the cell walls are composed of

Select an option to see the answer and solution.

Q102

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

Select an option to see the answer and solution.

Q103

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

Select an option to see the answer and solution.

Q104

The ending recommended for the order taxa is

Select an option to see the answer and solution.

Q105

The merits of Bentham and Hooker's natural system of classification include:

Select an option to see the answer and solution.

Q106

In the monocots the vascular cylinder consists of widely scattered network of vascular bundles. Such a stele is called

Select an option to see the answer and solution.

Q107

The functions ascribed to primary endodermis include:

Select an option to see the answer and solution.

Q108

Mushroom used in for making juicy vegetable is a

Select an option to see the answer and solution.

Q109

Which of the following underground produced vegetables is a modified root?

Select an option to see the answer and solution.

Q110

In bacterial conjugation, F^- × F^- crosses are

Select an option to see the answer and solution.

Q111

The bracketed key for determining sub-class, is based on the principle where leads are arranged

Select an option to see the answer and solution.

Q112

Which of the following is a stem?

Select an option to see the answer and solution.

Q113

Match List-I (Types of root apex organisation) with List-II (Arrangement of cells) and select the correct answer:

List-I	List-II
a. Type A	1. There are two sets of initials, one forming the central cylinder, the other forming the cortex and root cap
b. Type B	2. Meristems are differentiated into three tiers of initials, one forming the central cylinder, the second forming the cortex and the third the epidermis and the root cap
c. Type C	3. All parts of the root arise from a common initial region
d. Type D	4. All tissues are derived either from a single apical cell or from several initials arranged in one tier

Select an option to see the answer and solution.

Q114

Which of the following is the eatable part of turmeric paInt?

Select an option to see the answer and solution.

Q115

The secondary phloem of gymnosperms lacks

Select an option to see the answer and solution.

Q116

When fusiform cells are arranged in horizontal rows with the ends of the cells at the same level, it is called

Select an option to see the answer and solution.

Q117

The formation of basidia, the dikaryotic mycelium, the dolipore septum with the parenthesomes guarding the pore on both sides and clamp connections are the four diagonistic features of the class

Select an option to see the answer and solution.

Q118

The structural elements of almost all bacterial cell walls include

Select an option to see the answer and solution.

Q119

In which of the following algae there develops soft, gelatinous areas between the cells, breaking the filament into hormogonia?

Select an option to see the answer and solution.

Q120

The exarch position of the xylem in the root

Select an option to see the answer and solution.

Prev 4 5 6 7 8 Next