Biology
Given below are some groups of terms. In each group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
(a) Sperm : Spermatogenesis : Ovum : ……………
(b) Female gonad : Ovaries :: Male gonad : ……………
(c) Follicle cells : Ova :: …………… : Sperms
(d) Leydig cells : Testosterone :: …………… : Oestrogen
(e) Follicular phase : 5-12 days :: Luteal phase : …………… days.
Related Questions
Give appropriate terms for the following processes:
(a) The onset of reproductive phase in a female.
(b) Rupture of follicle and release of ovum from the ovary.
(c) Monthly discharge of blood and disintegrated tissues in human female.
(d) Process of fusion of ovum and sperm.
(e) Fixing of developing zygote (blastocyst) on the uterine wall.
Match the items in column I with those in column II and write down the matching pairs (some may not match)
Column I Column II (a) Acrosome (i) An embryo which looks like human baby (b) Gestation (ii) Luteinizing hormone (c) Menopause (iii) Ovum producing cells (d) Foetus (iv) Semen (e) Oogenesis (v) Spermatozoa (f) Ovulation (vi) Complete stoppage of menstrual cycle (vii) Time taken by a fertilized egg till the delivery of baby Choose the odd one out from the group of terms given below and write the category for the remaining terms:
(a) Testis, Epididymis, Uterine tube, Sperm duct.
(b) Seminal vesicle, Seminiferous tubule, Prostate gland, Cowper’s gland.
(c) Uterus, Ureter, Oviduct, Ovaries.
(d) Choroid, Chorion, Amnion, Allantois.
(e) Zona pellucida, Acrosome, Axial filament, Middle piece.
(a) State whether the following statements are TRUE (T) or FALSE (F).
- Fertilisation occurs in vagina.
- Uterus is also known as birth canal.
- Nutrition and oxygen diffuse from the mother's blood into the foetus's blood through amnion.
(b) Rewrite any two of the wrong statements by correcting only one word either at the beginning or at the end of the sentence.