Test: Animal Reproduction - 3


25 Questions MCQ Test Science Class 10 | Test: Animal Reproduction - 3


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QUESTION: 1

Vegetative propagation in Bryophyllum takes place by :-

Solution:
QUESTION: 2

The group of petals is called :-

Solution:

A group of petals are called Corolla. So here Corolla I'm not in the option. That's why option ( d) is the correct answer.

QUESTION: 3

During grafting, the portion of plant that is grafted is called :-

Solution: Grafting or graftage is a horticultural technique whereby tissues of plants are joined so as to continue their growth together. The upper part of the combined plant is called the scion while the lower part is called the rootstock.
QUESTION: 4

In roses, the method commonly used to produce new plants is :-

Solution:
QUESTION: 5

Pollen grains are produced by :-

Solution:
QUESTION: 6

Which one is applicable to insect pollinated flowers :

Solution:
QUESTION: 7

The group of sepals is called :-

Solution:

Sepals are green outermost leaf  like floral organs, also called calyx. A group of petals are called Corolla.

QUESTION: 8

Maize is :-

Solution:
QUESTION: 9

Which of the following produces male gametes in a flower :-

Solution:
QUESTION: 10

During pollination, pollen grains get carried to which part of the carpel ?

Solution:
QUESTION: 11

At the time of entering into ovule, pollen tube has :-

Solution: At the time of pollination, tube nucleus is present, i.e. the pollen grain is usually 3-celled (tube cell + two male gametes). the tube nucleus degenerate when the pollen tube enters the ovary. So, at the time of entering into ovule, the pollen tube has 2 male nuclei.
QUESTION: 12

The transfer of pollen grains from anther to stigma is termed :-

Solution:
QUESTION: 13

Fertilization in plants occurs in the :-

Solution:
QUESTION: 14

Stem cutting are commonly used for propagation in :-

Solution:
QUESTION: 15

Vegetative reproduction in plants like citrus, jasmine and grapevine is done by the process of :-

Solution:
QUESTION: 16

Asexual reproduction are :

Solution:
QUESTION: 17

Binary fission occurs in :

Solution:
QUESTION: 18

Multiple fission occurs in :

Solution:
QUESTION: 19

In which of the following reproduction parental identity is lost :

Solution:

In binary fission, parental identity is lost. In this, the parental cell divides into two daughter cells having identical genotype. In multiple fission, the Nucleus of the parental cell divides several times and produces several daughter cells. In this type also parental identity is lost. 

QUESTION: 20

Which of the following organisms shows budding :

Solution:
QUESTION: 21

If the pollen is transferred to the stigma of the same flower, it is termed :-

Solution:
QUESTION: 22

Which part of the flower forms the fruit ?

Solution:
QUESTION: 23

In angiosperm after the fertilization endosperm become :-

Solution:

Endosperm is formed during the double fertilization. It is triploid because it is formed when one of two sperm that is haploid enters inside the embryo sac and fuses with two polar nuclei ( each polar nuclei is haploid). So the endosperm formed is triploid.

QUESTION: 24

After fertilization ovule grows into :-

Solution:
QUESTION: 25

Which is not a part of carpel :-

Solution:

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