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Which of the following animals are hermaphrodites?

A. Tapeworm

B. Leech

C. Earthworm

D. All of these

Correct Answer :

C. Earthworm


Related Questions

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The simplest type of placenta found in man is

A. Haemochorial

B. Epitheliochorial

C. Syndesmochorial

D. Haemo-endothelial

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In the testis of rabbit, the hormone secreting cells are

A. spermatogonia

B. spermatocytes

C. sustentacular cells

D. cells of Leydig

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Failure of descending testis into the scrotum is known as

A. paedogenes

B. castration

C. cryptorchidism

D. impotency

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bartholine glands are found and associated with

A. female reproductive organs of cockroach

B. male reproductive organs of earthworm

C. male reproductive organs of rabbit

D. female reproductive organs of rabbit

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In rabbit, the sperms are stored and nourished in

A. testes

B. vasa deferentia

C. epidydymis

D. spermatic cord

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Allantois of the mammalian embryo helps in

A. respiration

B. excretion

C. protection

D. nutrition

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Which of the following animals are hermaphrodites?

A. Tapeworm

B. Leech

C. Earthworm

D. All of these

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4

The part of reproductive system in male which neither produces hormones nor sperms is

A. seminal vesicles

B. cowper's glands

C. prostrate glands

D. all of these

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A woman's fertility ceases at about 49-55 years. This is known as

A. gestation

B. menstruation

C. puberty

D. menopause

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Sustentacular cells are found in

A. testis of mammals

B. testis of Ascaris

C. ovary of mammals

D. pancreas of frog

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Gubernaculun connects

A. testis to scrotum

B. ovary to the body wall in abdomen

C. the two muscles

D. the two bones

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The hormone which shows a single mid cycle peak in the human female is

A. FSH

B. LH

C. oestrogen

D. progesterone

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In the male rabbit, the testes are located in

A. thoracic cavity

B. pericardial cavity

C. abdominal cavity

D. extra-abdominal scrotal cavity

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In which of the animals, the fertilization occurs externally in water ?

A. Hydra

B. Earthworm

C. Frog

D. Cockroach

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Secodary sexual character in man is

A. breast

B. thyroid

C. ovary

D. testis and ovaries

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The sperm count increases

A. if a person takes hot bath at 43 - 45°C for 30 minutes per day

B. if a person wears althletic supporters

C. during summer months

D. during winter months

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One of the following accessory glands in the male reproductive system produces secretions that neutralise the acidity in the urethra and in the female genital tract. This is necessary for survival of sperms. This fluid is secreted by

A. seminal vesicle

B. prostrate gland

C. cowper's gland

D. coagulating gland

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The seminal vesicle in rabbit is found at the junction of

A. prostrate and Cowper's glands

B. porstrate and vasa deferens

C. prostrate and urethra

D. vasa deferens and testis

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In the human menstrual cycle, ovulation occurs around

A. day 10

B. day 14

C. day 8

D. day 22

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The structure of the male reproductive system that corresponds to oviduct of the female system is

A. seminiferous tubules

B. epididymis

C. vas deferens

D. urethra

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The gestation period of rabbit is

A. 28 - 32 days

B. 60 - 70 days

C. 20 - 25 days

D. 80 - 90 days

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The capsule enclosing testes of mammal is known as

A. tunica vasculosa

B. tunica albuginea

C. tunica vaginalis

D. none of these

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Placenta is the region, where

A. foetus is supplied by maternal blood

B. foetus receives maternal blood and nutrition

C. embryo is enclosed by membranes

D. embryo is attached to mother by umbilical cord

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The structure formed after release of ova from Graffian follicles and secretory in nature, is

A. corpus callosum

B. corpus luteum

C. corpus albicans

D. corpus striatum

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The placental barrier between animal and foetal blood is minimum

A. goat

B. cow

C. pig

D. man

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Graffian follicles are characteristically found in the

A. ovary of mammal

B. ovary of frog

C. testis of frog

D. testis of mammal

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The testes secrete a group of hormones called

A. progestogens

B. androgens

C. estrogens

D. tropic hormones

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The gestation period of elephant is about

A. 11 months

B. 10 months

C. 15 months

D. 22 months

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Amniotic fluid protects the foetus from

A. degeneration

B. encystment

C. jerks

D. none of these

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The bidder canals help to pass out

A. ova

B. sperms

C. bile

D. saliva