Q. No.Match the asexual reproductive structure in COLUMN I with organisms in COLUMN II and select the correct option from the codes given:
COLUMN I
COLUMN II
A.
Zoospore
a.
Penicillium
B.
Conidia
b.
Chlamydomonas
C.
Buds
c.
Sponge
D.
Gemmule
d.
Hydra
Options:
(A)
(B)
(C)
(D)
1.
a
b
c
d
2.
d
c
b
a
3.
c
d
a
b
4.
b
a
d
c
COLUMN I
COLUMN II
A.
Zoospore
a.
Penicillium
B.
Conidia
b.
Chlamydomonas
C.
Buds
c.
Sponge
D.
Gemmule
d.
Hydra
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 vegetative propagules in COLUMN I with plants in COLUMN II and select the correct option from the codes given:
|
|
COLUMN I |
|
COLUMN II |
|
A. |
Rhizome |
a. |
Bryophyllum |
|
B. |
Bulbil |
b. |
Eichhornia |
|
C. |
Leaf buds |
c. |
Ginger |
|
D. |
Offset |
d. |
Agave |
| Options: | (A) | (B) | (C) | (D) |
| 1. | a | b | c | d |
| 2. | d | c | b | a |
| 3. | c | d | a | b |
| 4. | b | a | 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.
Which of the given two statements regarding vegetative reproduction in plants is/are true?
| I: | It is also a type of asexual reproduction |
| II: | The term clone is applicable to the offspring formed by vegetative reproduction in most cases. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
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.
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.
Consider the two statements:
| I: | Organisms like algae and fungi shift to a sexual mode of reproduction just before the onset of adverse conditions. |
| II: | In sexual reproduction large number of progeny can be produced in a short span of time. |
| 1. | Both I and II are correct and II explains I. |
| 2. | Both I and II are correct but II does not explain I. |
| 3. | I is correct and II is incorrect. |
| 4. | Both I and II are incorrect. |
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.
Which of the following is not always true for sexual mode of reproduction?
I. Separate sexes in the species
II. Gamete formation
III. Fertilization
| 1. | Only I | 2. | Only III |
| 3. | Both I and III | 4. | Both II and III |
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.
1. come to the flower
2. start producing seeds
3. start producing lateral branches
4. undergo secondary growth
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 correct statements:
| I. | Clear-cut vegetative, juvenile, and senescent phases are seen only in perennial plants. |
| II. | Neelakurinji flowers once in 12 years. |
| III. | Bamboo flowers only once in their lifetime. |
| 1. | Only III |
| 2. | Only II and III |
| 3. | Only I and II |
| 4. | I, II, and III |
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.
Birds in captivity (as in poultry farms) :
| 1. | lay eggs seasonally |
| 2. | can be made to lay eggs throughout the year |
| 3. | exhibit estrous cycles |
| 4. | exhibit menstrual cycles |
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.
Menstrual cycles occur in:
1. all animal females
2. all female mammals
3. female monkeys, apes, and humans
4. only in human females
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.
© 2024 GoodEd Technologies Pvt. Ltd.