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WorksheetsHOW DO ORGANISM REPRODUCE
Total questions: 20
Worksheet time: 12mins
Mode of reproduction in leishmania is
budding
vegetative propogation
fission
fragmentation
A feature of reproduction that is common to Amoeba, Yeast and Spirogyra is that
they reproduce asexually
they are all unicellular
they reproduce only sexually
they are all multicellular
In Rhizopus, tubular thread like structures bearing sporangia at their tips are called
filament
hyphae
rhizoids
roots
The period of pregnancy is called
gestation period
incubation period
ovulation
menstruation period
Bryophyllum can be propagated vegetatively by the
stem
leaf
root
flower
The period during adolescence when the reproductive tissues begin to mature is called
ovyfetion
puberty
germination
propagation
Reproduction is essential for living organisms in order to
Keep the individual organism alive
Fulfill their energy requirement
Maintain growth
Continue the species generation after generation
IUCD is for
Vegetative propagation
Contraception
Increasing fertility
Avoiding miscarriage
The correct sequence of organs in the male reproductive system for transport of sperms is
Testis → vas deferens → urethra
Testis → ureter → urethra
Testis → urethra → ureter
Testis → vas deferens → ureter
During adolescence, several changes occur in the human body. Mark one change from the following associated with sexual maturation in boy
Increase in height
Cracking of voice
Loss of milk teeth
Weight gain
Variations occur as a result of
asexual reproduction
vegetative propagation
sexual reproduction
regeneration
AIDS is a sexually transmitted disease caused due to an infection by a
(a)
The correct sequence of reproductive stages seen in flowering plants is
gametes, zygote, embryo, seedling
zygote, gametes, embryo, seedling
seedling, embryo, zygote, gametes
gametes, embryo, zygote, seedling
Length of pollen tube depends on the distance between
pollen grain and upper surface of stigma
pollen grain on upper surface of stigma and ovule
pollen grain in anther and upper surface of stigma
upper surface of stigma and lower part of style
Which of the following statements are true for flowers?
(i) Flowers are always bisexual
(ii) They are the sexual reproductive organs
(iii) They are produced in all groups of plants
(iv) After fertilization they give rise to fruits
(i) and (iv)
(ii) and (iii)
(i) and (iii)
(ii) and (iv)
The …………… convert into seeds and ovary converts into …………… after fertilisation in a flowering plant.
(a)
Which of the following is not a part of female reproductive system in human beings?
Ovary
Uterus
Vas Deference
Fallopian Tube
The number of chromosomes present in parents and offspring of a particular species remains constant due to ________.
doubling of chromosomes during zygote formation
Halving of chromosomes during gamete formation
Doubling of chromosomes after gamete formation
Halving of chromosomes after gamete formation
In following Figure, the parts A, B and C are sequentially
cotyledon, plumule and radicle
plumule, radicle and cotyledon
radicle, cotyledon and plumule
plumule, cotyledon and radicle
The image shows the structure of a flower. Which process will likely be disturbed or not occur, if the labelled part is removed from the flower?
formation of fruit
transport of pollen
formation of pollen
development of pollen tube
