Test Class 12 Reproduction

  1. Scrotal sacs of man and rabbit are connected with the abdominal cavity by

(a) Inguinal canal (b) Haversian canal (c) Vagina cavity (d) Spermatic canal

  1. Temperature in scrotum necessary for sperm formation should be

 

(a) 2°C above body temperature (b) 2°C below body temperature (c) 4°C above body temperature (d) 4°C below body temperature

  1. In man the two vasa deferentia open into

 

(a) Urinary bladder (b) Rectum (c) Urethra (d) Penis

  1. Cowper’s gland is present in

 

(a) Cockroach (b) Rabbit (c) Earthworm (d) Frog

  1. The capsule enclosing testis of mammal is called as

 

(a) Tunica albuginea (b) Tunica membrana (c) Tunica vaginalis (d) Tunica vesculosa

  1. Which is secreted by a acrosome

 

(a) Hyaluronic acid (b) Hyaluronidase (c) TSH (d) Fertilizin

  1. Sertoli cells are found in

 

(a) Kidney of rabbit (b) Ovary of frog (c) Testes of rabbit (d) Ovary of rabbit

  1. Which cells in the testis secrete testosterone

 

(a) Interstitial cells or cells of Leydig (b) Cells of the germinal epithelium (c) Sertoli cells (d) Secondary spermatocytes

  1. From the seminiferous tubules the spermatozoa pass into

 

(a) Epididymis (b) Vas deferens (c) Seminal vesicle (d) Rete testis

 

  1. Male hormone is

(a) Corpus luteum (b) Testosterone (c) Progesterone (d) Gonadotropin

  1. In males, the essential hormones for secondary sexual characteristics are

(a) Progesterone (b) Testosterone (c) Relaxin (d) Estrogen

  1. Which gland in mammals secretes alkaline juice for lubrication

 

(a) Pineal body (b) Prostate gland (c) Cowper’s gland (d) Testis

  1. The sperms become motile in human being in

 

(a) Seminiferous tubules (b) Vas deferens (c) Epididymis (d) Only in seminal vesicle

  1. In most of the mammals the testes are situate outside the abdominal cavity because

 

(a) Sperms produced in scrotal sac are more in number (b) Sperms produced in abdominal cavity are provided with less motility (c) Sperms produced in scrotal sac require lesser temperature for their best fertilization capacity (d) Sperms produced in scrotal sac are bigger

 

 

  1. Which part of the ovary in mammals acts as an endocrine gland after ovulation

 

(a) Vitelline membrane (b) Graafian follicles (c) Stroma (d) Germinal epithelium

  1. Stroma is a term applied to

 

(a) Gall stone (b) Ovarian follicles (c) Connective tissue in which graafian follicles are embedded (d) Connective tissue surrounding the seminiferous tubules

  1. What is the female counterpart of Cowper’s gland in the male (man)

 

(a) Bartholin’s gland (b) Uterus (c) Clitoris (d) None of these

  1. The female rabbit is

 

(a) Spontaneous ovulator (b) Seasonal ovulator (c) Natural ovulator (d) Induced ovulator

  1. The endometrium is the lining of

(a) Bladder (b) Vagina (c) Uterus (d) Oviduct

  1. The process of releasing the ripe female gamete from the ovary is called (a) Parturition (b) Ovulation (c) Fertilization (d) Implantation
  2. Cessation of menstrual cycle in the human female is known as

 

(a) Ovulation (b) Puberty (c) Menopause (d) Maturation

  1. Proliferative age lasts upto how many days

 

(a) 6th day (b) 7th day (c) 14th day (d) 28th day

  1. In pre – menstrual phase or luteal phase, one of the following hormone is increased in the blood

 

(a) Estrogen (b) Progesterone (c) FSH (d) None of these

  1. When there is no bleeding but high quantity of estrogen hormone is there, then this is known as

 

(a) Oestrous cycle (b) Menstrual cycle (c) Post-menstrual cycle (d) None of these

  1. Release of oocytes from ovary of rabbit is termed

 

(a) Implanation (b) Gestation (c) Ovulation (d) Parturition

  1. Loss of reproductive capacity in women after age of 45 years is

(a) Mensturation (b) Ageing (c) Menopause (d) Menarche

  1. Changes during menstrual cycle are

 

(a) Only in ovary (b) Only in uterus (c) Only in behaviour (d) All of the above

  1. Bleeding occurs in

 

(a) Oestrous cycle (b) Oestrous and menstrual cycle (c) Menstrual cycle (d) None of the above

  1. The ovum in the stroma of ovary of a mammal is enclosed in a perforated membrane called

 

(a) Germinal epithelium (b) Vitelline membrane (c) Zona pellucida (d) Zona radiata

  1. Oestrous cycle is suggestive of

(a) Menstruation (b) Estrogen secretion (c) Pregnancy (d) Menopause

  1. Which statement is correct

 

(a) Oestrous cycle is found is found in all mammals (b) Menstrual cycle is found in all mammals (c) Menstrual cycle is found only in primates (d) None of these

  1. Menstrual cycle is controlled by

 

(a) Testosterone (b) Testosterone and progesterone (c) Estrogen (d) Estrogen and progesterone

  1. Ovulation in mammals is triggered by a surge of

 

(a) FSH only (b) LH only (c) Estrogen only (d) FSH and LH both

  1. The blood vessels and nerve enter the ovary through

 

(a) Antrum (b) Zona pellucida (c) Hilus (d) Graafian follicle

  1. A female gland corresponding to prostate of males is

 

(a) Bartholin’s gland (b) Bulbourethral gland (c) Clitoris (d) None of these

  1. Hysterectomy is surgical removal of (a) Vagina (b) Oviduct (c) Uterus (d) Ovary
  2. Abnormal condition when the mammary glands of man become female like is called

 

(a) Feminization (b) Gonochorism (c) Gynacomastism (d) Gynoecism

  1. Young girls at puberty begin to develop breasts this is an example of

(a) Metamorphosis (b) Sexual growth (c) Appearance of primitive characters (d) Artificial selection

  1. Graafian follicles develop from

(a) Stroma of ovaries (b) Germinal epithelium of ovaries (c) Both of these (d) None of these

  1. Menstrual cycle is controlled by

 

(a) Estrogen and progesterone of ovary (b) FSH and LH of pituitary (c) Both (a) and (b) (d) FSH of pituitary

  1. Growth and maturation of Graafian follicle is controlled by

 

(a) FSH LH (b) FSH – LTH (c) ACTH – LH (d) GH – ADH

  1. Ostium is the aperture present in

 

(a) Oviduct (b) Fallopian funnel (c) Ovisac (d) Cloaca

  1. Progesterone is

(a) Carbohydrate (b) Steriod (c) Protein (d) Sterol

  1. Which one of the following phenomenon is not common to both oestrous and menstrual cycles

 

(a) Growth of ovarian follicles under the influence of FSH and LH (b) Formation of corpus luteum in the ovarian follicles (c) Sexual receptivity limited to a definite period in the cycle (d) Regulation of cycles by estrogen and progsteron

  1. For ovulation in reflex ovulators

(a) Coitus is not necessary (b) Coitus is necessary (c) Plenty of food is necessary (d) Plenty of food is not necessary

  1. Rutting season” is

 

(a) A brief period of pronounced sexual activity in males (b) A brief period of pronounced sexual activity in females (c) A period of rest (d) Both (a) and (b)

  1. The period of restoration of uterine epithelium is called

 

(a) Menstrual phase (b) Proliferative phase (c) Secretory or luteal phase (d) None of these

  1. Which one of the following exhibits menstruation

 

(a) Cheeta (b) Chimpanzee (c) Civet cat (d) None of these

  1. The oestrous or menstrual cycle begins with a breaking down of the womb wall. The ovum or egg is released

 

(a) At the beginning of the cycle (b) About half way through the cycle (c) About 20 days through the cycle (d) At the end of the

  1. The menstrual cycle in mammals accomplished with the help of

 

(a) Progesterone and estrogen (b) Hormones from pituitary gland only (c) Hormones from placenta only (d) Hormones from ovary only

 

 

 

70

 

 

71

 

 

72

 

 

 

 

 

74

 

 

75

 

 

76

 

 

77

 

 

78

 

 

79

 

 

80

 

abc baabcad
 

81

 

 

82

 

 

83

 

 

84

 

 

85

 

 

86

 

 
c b b c c c  
 

170

 

 

171

 

 

172

 

 

173

 

 

174

 

 

175

 

 

176

 

 

177

 

 

178

 

 

179

 

 

180

 

b c a d c b c c b a c
 

181

 

 

182

 

 

183

 

 

184

 

 

185

 

 

186

 

 

187

 

 

188

 

 

189

 

 

190

 

 

191

 

 

192

 

 

193

 

 

194

 

 

195

 

 

196

 

 

197

 

 

198

 

 

199

 

 

200

 

c d c c b c d d c d c c b b c a b b c b
 

201

 

 

202

 

 

203

 

 

204

 

 

205

 

 
a b b b a  

 

Tags:

Leave a Reply

Your email address will not be published. Required fields are marked *