Adventitious roots get swollen and store food in:
1. Carrot
2. Turnip
3. Radish
4. Sweet Potato
Match each item in Column I with one in Column II and select the correct option from the codes given below:
COLUMN I [Phyllotaxy] | COLUMN II [Example] | ||
A. | Alternate | a. | China rose |
B. | Opposite | b. | Calotropis |
C. | Whorled | c. | Alstonia |
Codes:
A | B | C | |
1. | a | b | c |
2. | a | c | b |
3. | b | a | c |
4. | c | b | a |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The stems of maize and sugarcane have:
1. | stilt roots that are hanging and supporting structures |
2. | prop roots that are hanging and supporting structures |
3. | prop roots coming out from the nodes in upper stem |
4. | supporting stilt roots coming out of the lower nodes of the stem |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched pair:
Aestivation type |
Example |
|
1. |
Valvate |
Calotropis |
2. |
Twisted |
Bean |
3. |
Imbricate |
Gulmohur |
4. |
Vexillary |
Pea |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
What is not true for a stem in a flowering plant in general?
1. | Negatively geotropic |
2. | Develops from plumule of the germinating embryo |
3. | Absence of terminal and axillary buds |
4. | Spreads out branches bearing leaves, flowers and fruits |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Stem tendrils are present in all the following except:
1. Citrus | 2. Watermelon |
3. Cucumber | 4. Grapevines |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Match each item in Column I regarding structure of a dicotyledonous seed with description in Column II and select the correct option from the codes given below:
|
Column I |
|
Column II |
A. |
Testa |
a. |
Outer layer of seed coat |
B. |
Tegmen |
b. |
Inner layer of seed coat |
C. |
Hilum |
c. |
Scar on seed coat through which the developing seeds were attached to the fruit |
D. |
Micropyle |
d. |
Small pore through which pollen tube penetrates |
Codes
A | B | C | D | |
1. | a | b | c | d |
2. | b | a | c | d |
3. | b | a | d | c |
4. | a | b | d | c |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
All the following characteristics differentiate stems from the roots except:
1. Development from the plumule
2. Presence of nodes and internodes
3. Terminal or axillary buds
4. Endogenous development of branches
Stems contain chlorophyll and carry out photosynthesis in:
1. Opuntia and Euphorbia | 2. Mint and Jasmine |
3. Pistia and Eichhornia | 4. Banana and Pineapple |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
A lateral branch arises from the base of the main axis and after growing aerially for some time arches downwards to touch the ground in:
1. Opuntia and Euphorbia | 2. Mint and Jasmine |
3. Pistia and Eichhornia | 4. Banana and Pineapple |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.