NEET Zoology Human Reproduction <

Question No:1

Which of the following hormone is released by placenta?

(A) FSH
(B) HCG
(C) Relaxin
(D) LH



Question No:2

Relaxin is secreted by

(A) Ovary
(B) Uterus
(C) Cervix
(D) Oviduct



Question No:3

How many germinal layers does embryo consist of initially, after implantation?

(A) 3
(B) 2
(C) 4
(D) 5



Question No:4

In human embryonic development, which layer develops between the ectoderm and endoderm?

(A) Mesothelium
(B) Mesoderm
(C) Myoderm
(D) Myometrium



Question No:5

In humans, the Inner cell mass (embryo) contains certain cells called __ cells which have the potential to give rise to all the tissues and organs,

(A) root
(B) leaf
(C) stem
(D) seed



Question No:6

The average time span of human gestation is

(A) 8 months
(B) 9 months
(C) 10 months
(D) 1 year



Question No:7

The pregnancy phase in humans is divided into how many trimesters?

(A) 2
(B) 4
(C) 3
(D) 5



Question No:8

After one month of pregnancy which vital organ is formed in the foetus?

(A) Brain
(B) Heart
(C) Lungs
(D) Liver



Question No:9

In a developing foetus, most of the major organ systems are developed by the end of __ weeks.

(A) Fourteen
(B) Twelve
(C) Ten
(D) Sixteen



Question No:10

Foetal limbs and digits are formed in the __ month of embryonic development,

(A) 4th
(B) 2nd
(C) 3rd
(D) 7th



Question No:11

The second trimester of human pregnancy is characterized by

(A) Appearance of heart and aorta
(B) Appearance of external genital organs
(C) Appearance of fine hair, eye-lashes on the eye-lids
(D) Appearance of limbs and digits



Question No:12

The scientific name of childbirth is

(A) Gestation
(B) Parturition
(C) Implantation
(D) Foetal development



Question No:13

During parturition, the mild uterine contractions which lead to expulsion of the foetus is known as

(A) Foetal ejection release
(B) Foetal ejection reflex
(C) Foetal uterine reflex
(D) Foetal placental reflex’



Question No:14

Which hormone is responsible for severe uterine contractions during parturition?

(A) Estrogen
(B) Oxytocin
(C) Progesterone
(D) Relaxin



Question No:15

After delivery of the foetus the following structure is also expelled out?

(A) Uterus
(B) Corpus uterum
(C) Placenta
(D) Ovary



Question No:16

The production of milk in mammary gland occurs:

(A) During parturition
(B) After parturition
(C) Before embryogenesis
(D) At the end of pregnancy



Question No:17

The milk produced during the initial days of lactation is called

(A) Menstrum
(B) Colostrum
(C) Gynostrum
(D) None of these



Question No:18

The first foetal movement is observed during the __ month of embryonic development,

(A) 4th
(B) 5th
(C) 3rd
(D) 7th



Question No:19

Embryos with more than 8 blastomeres could be transferred into the __.

(A) Uterus
(B) Fallopian tube
(C) Placenta
(D) Cervix



Question No:20

Transfer of an ovum from a donor to another female who can provide a suitable environment for fertilization is called

(A) ZIFT
(B) GIFT
(C) ICSI
(D) IUT



Question No:21

Intra cytoplasmic sperm injection is a specialized procedure in which the sperm is directly injected into the ___.

(A) Ovary
(B) Fallopian tube
(C) Ovum
(D) Uterus



Question No:22

In artificial insemination, the semen from husband/healthy donor is artificially introduced into the __.

(A) Vagina
(B) Oviduct
(C) Uterus
(D) Both (a) and (c)



Question No:23

In an adult, each testis is __ in shape, with a length of about ___ and a width of about

(A) round, 4 to 5 cm, 2 to 3 cm
(B) oval, 2 to 3 cm, 4 to 5 cm
(C) oval, 4 to 5 cm, 2 to 3 cm
(D) round, 2 to 3 cm, 4 to 5 cm



Question No:24

Each testis has how many testicular tubules?

(A) 200
(B) 250
(C) 300
(D) 150



Question No:25

Male sex accessory ducts include

(i) Reletestis
(ii) Vasa efferenta
(iii) Epididymis
Vas deferens

(A) i, ii
(B) ii, iii
(C) i, ii, iii
(D) i, ii, iii, iv