Olympiad Science - Reproduction in Animals
Exam Duration: 45 Mins Total Questions : 30
Which of the following statements is true about asexual reproduction?
- (a)
ew individuals are produced without the fusion of gametes.
- (b)
New individuals involves the fusion of male andJemale gametes
- (c)
It is a mode of reproduction which occurs only in plants
- (d)
New individuals are produced by the fusion of dissimilar gametes
Which of the following is NOT a characteristic feature of sexual reproduction?
- (a)
It involves the fusion of two reproductive cells
- (b)
It is common in most organisms.
- (c)
Fertilization may take place inside or outside the body of the female
- (d)
The offspring receives its characteristics from one parent only.
Which of the following is/are paired structure in human reproductive system?
- (a)
Ovary
- (b)
Testes
- (c)
Fallopian tube
- (d)
All of these
Which of the following statements about the human female egg cell is incorrect?
- (a)
It is produced when a female reaches puberty
- (b)
The two ovaries in a female alternately produce the egg cells
- (c)
One egg cell is usually produced by a female every 28 days
- (d)
An egg cell can live in the body of a female for about a month.
Which of the following sequences is in the correct order?
- (a)
Zygote -Embryo -Foetus -Baby
- (b)
Zygote -Embryo -Baby -Foetus
- (c)
Embryo -Zygote - Baby -Foetus
- (d)
Foetus - Zygote - Embryo -Baby
Which of the following is NOT true of the process of reproduction?
- (a)
Unicellular organisms cannot reproduce
- (b)
Reproduction is the process of producing young animals or plants
- (c)
Reproduction is one of the life processes of living things
- (d)
Reproduction is of two types, sexual and asexual reproduction.
How are Paramoecium and Amoeba are similar?
- (a)
Unicellular
- (b)
Does not have a nucleus
- (c)
Reproduces by binary fission
- (d)
Both (A) and (C)
In which of the following parts of the female reproductive system does fertilisation occur?
- (a)
Ovary
- (b)
Vagina
- (c)
Uterus
- (d)
Fallopian tube
Identify R,S and T in the given figure.
- (a)
Ovulation- Fertilization-mplantation
- (b)
Fertilization- Ovulation-Implantation
- (c)
Ovulation-Implantation-Fertilization
- (d)
Implantation -Fertilization-Ovulation
What is the function of the amniotic fluid?
- (a)
It provides food to the foetus
- (b)
It provides oxygen to the foetus
- (c)
It protects the foetus from shock
- (d)
It protects the foetus from diseases
The substances that are transported through umbilical cord
- (a)
Urea.
- (b)
Antibodies
- (c)
Carbon dioxide
- (d)
All of these
Which of the following is called the larva of a frog?
- (a)
Nymph
- (b)
Tadpole
- (c)
Caterpillar
- (d)
Fry
Which of the foll?wing processes refers to the casting away of the skin by a caterpillar to allow a larger caterpillar to emerge?
- (a)
Metamorphosis
- (b)
Chrysalis
- (c)
Moulting
- (d)
Development
Which of the following structures has an internal wall lined with fingerlike projections?
- (a)
Ovary
- (b)
Vagina
- (c)
Fallopian tube
- (d)
Uterus
Which of the following organs contains seminiferous tubules?
- (a)
Kidney
- (b)
Ovary
- (c)
Testes
- (d)
Brain
In which of the following organs sperms mature?
- (a)
Testes
- (b)
Epididymis
- (c)
Vasdeferns
- (d)
Cowper's glands
In which of the following processes is ovum released from the follicle?
- (a)
Ovulation
- (b)
Oogenesis
- (c)
Capacitation
- (d)
Menstrual cycle
Which of the following is an unpaired structure in the human reproductive system?
- (a)
Ovary
- (b)
Testes
- (c)
Fallopiantube
- (d)
Uterus
Which of the following is a specialised structure that provides nourishment to the foetus from the mother and collects wastes from it, passing them onto the mother?
- (a)
Fallopian tube
- (b)
Placenta
- (c)
Cowper's gland
- (d)
Blastocyst
Which of the following are found in high concentrations in the blood that passes from the placenta to the foetus?
- (a)
Urea and carbon dioxide
- (b)
Urea and glucose
- (c)
Carbon dioxide and antibiotics
- (d)
Oxygen and amino acids
Which of the following is the function of substance that is secreted by cowper's gland?
- (a)
Protecting sperms
- (b)
Serving as a lubricant
- (c)
Turning the semen alkaline
- (d)
Helping the sperm in penetrating the ovum
Which of the following organisms reproduces asexually?
- (a)
Protozoa
- (b)
Lizard
- (c)
Frog
- (d)
Housefly
AIDS is a deadly disease which is caused by
- (a)
a protozoan
- (b)
a fungus
- (c)
a bacterium
- (d)
a virus.
Which of the following is/are present in the milt of frog?
- (a)
Embryo
- (b)
Ovum
- (c)
Spermatozoa
- (d)
Both (A) and (C)
Which of the following statements are correct about menstrual cycle?
- (a)
A girl who has reached puberty will menstruate throughout her life.
- (b)
Menstruation occurs every 28 days
- (c)
During every menstrual cycle, one mature ovum will be released by the ovary.
- (d)
Both (B) and (C)
Which of the following is an oviparous mammal?
- (a)
Echidna
- (b)
Kangaroo
- (c)
Rabbit
- (d)
Bat
Which of the following terms is used to describe the mass of eggs of a frog?
- (a)
Follicles
- (b)
Ostium
- (c)
Spawn
- (d)
Both (A) & (B)
In which of the following organisms does internal fertilization occurs?
- (a)
Bird and fish
- (b)
Snake and frog
- (c)
Rabbit and frog
- (d)
Snake and Rabbit
Which of the following organs contain graafian follicles?
- (a)
Fallopian tube
- (b)
Uterus
- (c)
Vagina
- (d)
Ovary
How many ova is/are released at a time in the female human being?
- (a)
4
- (b)
3
- (c)
2
- (d)
1