SAT Biology - Reproduction
Exam Duration: 45 Mins Total Questions : 30
Human female reaches menopause of the age of about
- (a)
25 years
- (b)
35 years
- (c)
50 years
- (d)
70 years
Which one of the following produce sperm?
- (a)
Fallopian tubes
- (b)
Seminiferous tubules
- (c)
Epididymis
- (d)
Vasdeferens
Which one of the following plants self-disperse its seeds?
- (a)
Dandelion
- (b)
Gorse
- (c)
Strawberry
- (d)
Apple
The spreading of a seed as far away as possible from the parent plant is known as
- (a)
Dispersal
- (b)
Germination
- (c)
Fertilization
- (d)
Asexual reproduction
A human female has around...........Oocytes in each of her ovary.
- (a)
30,000
- (b)
200,000
- (c)
300,000
- (d)
20,000
In hydra asexual reproduction takes by
- (a)
Spore formation
- (b)
Fragmentation
- (c)
Budding
- (d)
Micropropagation
Asexual reproduction differ from sexual reproduction in that it does not require
- (a)
One parent
- (b)
Two parents
- (c)
Spores
- (d)
Vegetative parts
The stamens are leaves modified for the production of
- (a)
Microspores
- (b)
Megaspores
- (c)
Ovules
- (d)
Seed
The unisexual flower are called?
- (a)
Staminate
- (b)
Carpellate
- (c)
Both A & B
- (d)
Monoecious
Human reproduce by
- (a)
Sexual reproduction which involves one parent
- (b)
Asexual reproduction which involves two parents
- (c)
Sexual reproduction which involves two parents
- (d)
Asexual reproduction which involves two parents
The ability of a cell to divide into several cells during reproduction in Plasmodium is called
- (a)
budding
- (b)
reduction division
- (c)
binary fission
- (d)
multiple fission
A pollen grain does not normally germinate until
- (a)
a zygote is formed
- (b)
cleavage has occured
- (c)
pollination has occured
- (d)
a diploid nucleus is formed
Many unicellular organism reproduce by the process of
- (a)
Fission
- (b)
Regeneration
- (c)
Ovulation
- (d)
Non-disjunction
In sweet potato vegetative pro~gation take place by
- (a)
Root
- (b)
Stem
- (c)
Leaves
- (d)
Petal
Male gonads are called _____________.
- (a)
Testes
- (b)
Testes
- (c)
Ovaries
- (d)
Scrotal sacs
- (e)
Sperm duct
The fertilized egg is called ____________
- (a)
Ovum
- (b)
Blastocyst
- (c)
Diploid cell
- (d)
Zygote
The collective name for sepals is _________________.
- (a)
Androecium
- (b)
Gynoecium
- (c)
Corolla
- (d)
Calyx
Vegetative propagation in sweet potato is by _________________.
- (a)
Stem
- (b)
Root
- (c)
Leaf
- (d)
None of the above
Vegetative propogation in Bryophyllum is by
- (a)
Stem
- (b)
Root
- (c)
Leaf
- (d)
None of the above
Sperms are produced at a temperature that is _____________ the body temperature.
- (a)
same as
- (b)
lower than
- (c)
higher than
- (d)
immaterial to
Double fertilization is characteristic of
- (a)
angiosperms
- (b)
algae
- (c)
gymnosperms
- (d)
bryophytes
The polar bodies present inside the embryo sac are
- (a)
Haploid
- (b)
Diploid
- (c)
Unknown
- (d)
None of these
Which is not a method of vegetative propagation
- (a)
Micropropagation
- (b)
Budding
- (c)
Sowing
- (d)
Layering
Fertilization of frog takes place in:
- (a)
Uterus
- (b)
Fallopian tube
- (c)
Water
- (d)
Cervix
Emasculation is achieved by
- (a)
removal of stigma
- (b)
removal of anthers
- (c)
removal of sepal and petals
- (d)
removal of gynoecium
Puberty age in girls is between:
- (a)
12-18 years of age
- (b)
10-16 years of age
- (c)
14-20 years of age
- (d)
15-18 years of age
Each ovule consists of a large oval shaped cell called the embryo sac and the mature embryo sac contains ---------------- nuclei.
- (a)
Two
- (b)
Eight
- (c)
Five
- (d)
Three
Onset of menstrual cycle in females is known as
- (a)
menopause
- (b)
menostart
- (c)
menarche
- (d)
menstrarch
Sperms are produced by
- (a)
Testes
- (b)
Ovaries
- (c)
Vas defrens
- (d)
Seminal vesicle
Production of sperms by testes is known as
- (a)
Oogenesis
- (b)
Spermatogenesis
- (c)
Testogenesis
- (d)
Ovarygenesis
