Reproduction in Animals Test

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Reproduction in Animals Test - 7

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Question 1
1 / -0

The capsule enclosing testes of mammals is called

A
tunica albuginea

B
tunica membrana

C
tunica vaginalis

D
tunica vasculosa

Solution

The capsule enclosing testes of mammals is called tunica albuginea. The tunica albuginea helps to trap the blood in the corpora cavernosa, thereby sustaining erection of the penis.
Question 2
1 / -0

The developing embryo does not receive nourishment from mother's body in

A
oviparous reproduction

B
ovoviviparous reproduction

C
viviparous reproduction

D
All of the above

Solution

The developing embryo does not receive nourishment from mother's body in oviparous reproduction.Oviparous animals are animals that lay eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, all birds, the monotremes, and most insects, molluscs, and arachnids.
Question 3
1 / -0

In mammals, the developing embryo is connected with placenta by

A
umblical cord

B
allantois

C
uterus

D
amnion

Solution

In mammals, the developing embryo is connected with placenta by umblical cord. During prenatal development, the umbilical cord is physiologically and genetically part of the fetus and, (in humans), normally contains two arteries (the umbilical arteries) and one vein (the umbilical vein), buried within Wharton's jelly.
Question 4
1 / -0

Semen includes

A
sperms

B
secretions of accessory sex glands

C
Both (1) and (2)

D
None of these

Solution

Semen includes sperms and secretions of accessory sex glands. It is also known as seminal fluid.
Question 5
1 / -0

Gestation period is the time between

A
birth and puberty

B
birth and fertilisation

C
the foetus forming and being born

D
fertilisation and birth

Solution

Gestation period is the time between fertilisation and birth of the young ones. For most species, the amount a fetus grows before birth determines the length of the gestation period.
Question 6
1 / -0

Which of the following hormones helps in the ejection of milk from the breast?

A
Prolactin

B
Oxytocin

C
LH

D
FSH

Solution

Oxytocin hormone helps in the ejection of milk from the breast. Oxytocin is normally produced in the hypothalamus and stored in the posterior pituitary gland.
Question 7
1 / -0

The process by which blastocyst settles down on the uterine walls is known as

A
blastulation

B
implanatation

C
impregnation

D
insemination

Solution

The process by which blastocyst settles down on the uterine walls is known as blastulation.During blastulation, cells continue to divide and begin to differentiate.
Question 8
1 / -0

Which of the following is a correct statement?

A
Menstrual and oestrous cycle is the same.

B
Menstrual cycle occurs in females of all mammals.

C
Menstrual cycle is influenced by light.

D
The breeding in birds is affected by light.

Solution

The statement 'the breeding in birds is affected by light' is true.
Question 9
1 / -0

Test tube baby means

A
development of baby in a test tube

B
that fertilisation is internal and the subsequent development of zygote is external

C
that fertilisation is external and the subsequent development of zygote is internal

D
None of these

Solution

Test tube baby means that fertilisation is external and the subsequent development of zygote is internal.The process involves monitoring and stimulating a woman's ovulatory process, removing ovum or ova (egg or eggs) from the woman's ovaries and letting sperm fertilise them in a liquid in a laboratory. The fertilised egg (zygote) is cultured for 2–6 days in a growth medium and is then implanted in the same or another woman's uterus, with the intention of establishing a successful pregnancy.
Question 10
1 / -0

Menstrual cycle includes

A
proliferative phase (14 days)

B
secretory phase (10 days)

C
menstrual phase (4 days)

D
All of the above

Solution

Menstrual cycle includes proliferative phase (14 days), secretory phase (10 days) and menstrual phase (4 days).
Question 11
1 / -0

In an experiment, luteinising hormone is injected into the body of adult males. What do you expect?

A
More of testosterone is produced

B
Less of testosterone is produced

C
There is no effect on the production of testosterone

D
Sperm production will increase

Solution

When luteinizing hormone is injected into the body of adult males, more of testosterone is produced because testosterone produced is under the control of luteinizing hormone.
Question 12
1 / -0

In unisexual reproduction, the union of male and female cells can take place

A
outside the body

B
inside the body

C
in water in some cases

D
All of the above

Solution

In unisexual reproduction, the union of male and female cells can take place outside the body, inside the body and in water in some cases.
Question 13
1 / -0

The reproductive cycle of animals and plants is characterised by the alternation of

A
zygote and spore formation

B
meiosis and fertilisation

C
mitosis and spore formation

D
metamorphosis and oogenesis

Solution

The reproductive cycle of animals and plants is characterised by the alternation of meiosis and fertilisation.
Question 14
1 / -0

The female sex hormone estrogen is produced by

A
germinal epithelium

B
zona pellucida

C
corpus allbicans

D
cells of graafian follicle

Solution

The female sex hormone estrogen is produced by cells of graafian follicle. Graffian Follicle is a fluid-filled structure in the mammalian ovary within which an ovum develops prior to ovulation.
Question 15
1 / -0

From 100 primary oocytes, the number of secondary oocytes formed is

A
100

B
200

C
400

D
numerous

Solution

From 100 primary oocytes, the number of secondary oocytes formed is 200.
Question 16
1 / -0

The ovum passes down the oviduct by

A
influence of gravity

B
flagellar movements of the oviduct

C
peristalitic movements of the oviduct

D
ciliary movements of the oviduct

Solution

When ovulation occurs, the ovum is captured by the infundibulum and enters the oviduct because of cilia on the oviductal lining that beat in a uterine direction.
Question 17
1 / -0

Asexual reproduction requires

A
two individuals

B
two individuals of opposite sex

C
one individual

D
None of these

Solution

Asexual reproduction requires one individual.Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it is reproduction which almost never involves ploidy or reproduction without the fusion of gametes.
Question 18
1 / -0

In gynadromorphs, as seen in Drosophila (fruit fly),

A
one half of the body is male and the other half is female

B
right half of the body is normal and left half is like that of a dwarf

C
right half of the body is dwarf and the left half is normal

D
one half of the body is dwarf and the other half is like that of a giant

Solution

In gynadromorphs, as seen in Drosophila (fruit fly), one half of the body is male and the other half is female.
Question 19
1 / -0

The study of embryogenesis is called

A
development

B
histology

C
differentiation

D
embryology

Solution

Embryology is the branch of biology that deals with the development of an embryo from the fertilization of the ovum to the fetus stage.
Question 20
1 / -0

The middle piece of sperm provides

A
chromosomes

B
energy

C
food

D
genes

Solution

The middle piece of sperm provides energy.The midpiece has a central filamentous core with many mitochondria spiralled around it, used for ATP production for the journey through the female cervix, uterus and uterine tubes.

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Reproduction in Animals Test - 7

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Reproduction in Animals Test - 7

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SHARING IS CARING

Question 1

tunica albuginea

tunica membrana

tunica vaginalis

tunica vasculosa

Solution

Question 2

oviparous reproduction

ovoviviparous reproduction

viviparous reproduction

All of the above

Solution

Question 3

umblical cord

allantois

uterus

amnion

Solution

Question 4

sperms

secretions of accessory sex glands

Both (1) and (2)

None of these

Solution

Question 5

birth and puberty

birth and fertilisation

the foetus forming and being born

fertilisation and birth

Solution

Question 6

Prolactin

Oxytocin

LH

FSH

Solution

Question 7

blastulation

implanatation

impregnation

insemination

Solution

Question 8

Menstrual and oestrous cycle is the same.

Menstrual cycle occurs in females of all mammals.

Menstrual cycle is influenced by light.

The breeding in birds is affected by light.

Solution

Question 9

development of baby in a test tube

that fertilisation is internal and the subsequent development of zygote is external

that fertilisation is external and the subsequent development of zygote is internal

None of these

Solution

Question 10

proliferative phase (14 days)

secretory phase (10 days)

menstrual phase (4 days)

All of the above

Solution

Question 11

More of testosterone is produced

Less of testosterone is produced

There is no effect on the production of testosterone

Sperm production will increase

Solution

Question 12

outside the body

inside the body

in water in some cases

All of the above

Solution