CBSE Class 10 Biology How do Organisms Reproduce MCQs Set 04

Question: A pair of ducts arising from testis, which carry sperms are:
a) Fallopian tube
b) Vas deferens
c) Oviduct
d) Urethra
Answer: b

Question: The anther contains
a) Sepals
b) Ovules
c) Carpel
d) Pollen grains
Answer: d

Question: Union of male and female gametes forms
a) Egg
b) Embryo
c) Zygote
d) Spore
Answer: c

Question: The number of chromosomes in human ovum is
a) 21
b) 22
c) 23
d) 24
Answer: c

Question: The common passage meant for transporting urine and sperms in males is
a) Ureter
b) Vas deferens
c) Urethra
d) Anus
Answer: c

Question: The process where the unfertilised egg is released out of the body with the blood used to nourish the embryo is known as
a) Menstruation
b) Fertilisation
c) Germination
d) Pollination
Answer: a

Question: Along the path of the vas deferens the secretions of which gland provide nutrition to the sperms?
a) Prostate glands
b) Seminal vesicles
c) Scrotum
d) Urinary bladder
Answer: b

Question: Which of this is seminal fluid?
a) Prostate gland
b) Cowper’s gland
c) Seminal vesicle
d) All of these
Answer: c

Question: The fertilisation of human egg by the sperm takes place in
a) Vagina
b) Uterus
c) Ovary
d) Oviduct
Answer: d

Question: When a sperm is deposited into the vagina, which route does it travel?
a) Vagina → Oviduct → Uterus → Cervix
b) Vagina → Ovary → Uterus → Oviduct
c) Vagina → Cervix → Uterus → Oviduct
d) Vagina → Uterus → Cervix → Oviduct
Answer: c

Question: When the foetus is growing inside the uterus it needs nutrients. Which part provides these nutrients?
a) Placenta
b) Amniotic sac
c) Oviduct
d) Uterus
Answer: a

Question: Fertilization does not occur in which part?
a) Fallopian tube
b) Ampulla
c) Oviduct
d) Vagina
Answer: d

Question: Progesterone is secreted by:
a) Corpus luteum
b) Thyroid
c) Thymus
d) Testes
Answer: a

Question: Oral contraceptives prevent the:
a) Fertilization
b) Ovulation
c) Implantation
d) Entrance of sperms in vagina
Answer: b

Question: The general method of asexual reproduction in yeast fungus is:
a) By spores
b) By budding
c) Binary fission
d) Gemma
Answer: b

Question: Which of the following is a primary sex organ in a mammal?
a) Ovary
b) Vagina
c) Uterus
d) Mammary glands
Answer: a

Question: Which part of the flower forms the fruit?
a) Whole flower
b) Only stamens and carpel
c) Only ovary
d) Only carpel
Answer: c

Question: The period during adolescence when the reproductive tissues begin to mature is called:
a) Ovyfetion
b) Puberty
c) Germination
d) Propagation
Answer: b

Question: Development of egg without fertilization is:
a) Parthenocarpy
b) Polyembryo
c) Parthenogenesis
d) Adventive embryony
Answer: c

Question: Cowper’s glands are found in:
a) Male mammals
b) Female mammals
c) Male amphibians
d) Female amphibians
Answer: a