MEDIUM
12th CBSE
IMPORTANT
Earn 100

Diagrammatically represent the asexual mode of reproduction in Amoeba.

Important Questions on Reproduction in Organisms

MEDIUM
12th CBSE
IMPORTANT
A few statements describing certain features of reproduction are given below:
(i) Gametic fusion takes place.
(ii) Transfer of genetic material takes place.
(iii) Reduction division takes place.
(iv) Progeny have some resemblance with parents.
Select the options that are true for both asexual and sexual reproduction from the options given below:
MEDIUM
12th CBSE
IMPORTANT
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because:
MEDIUM
12th CBSE
IMPORTANT
Amoeba and yeast reproduce asexually by fission and budding respectively, because they are
MEDIUM
12th CBSE
IMPORTANT

A few statements with regard to sexual reproduction are given below.
(i) Sexual reproduction does not always require two individuals
(ii) Sexual reproduction generally involves gametic fusion
(iii) Meiosis never occurs during sexual reproduction
(iv) External fertilisation is a rule during sexual reproduction

Choose the correct statements from the options below.

EASY
12th CBSE
IMPORTANT
In Bryophyllum, adventitious buds arise from
MEDIUM
12th CBSE
IMPORTANT
A multicellular, filamentous alga exhibits a type of sexual life cycle in which the meiotic division occurs after the formation of zygote. The adult filament of this alga has
MEDIUM
12th CBSE
IMPORTANT
Given below are a few statements related to external fertilisation. Choose the correct statements.
(i) The male and female gametes are formed and released simultaneously.
(ii) Only a few gametes are released into the medium.
(iii) Water is the medium in a majority of organisms exhibiting external fertilisation.
(iv) Offspring formed as a result of external fertilisation have a better chance of survival than those formed inside an organism.
MEDIUM
12th CBSE
IMPORTANT
Differentiate between gametogenesis and embryogenesis.