(i) Name the following:

(a) The organelle that forms the aster during cell division.
(b) A genetic disorder in which the blood does not clot.
(c) The permanent stoppage of menstruation in human females around the age of 45 years.
(d) The openings on the barks of trees through which transpiration occurs.
(e) A gaseous plant hormone which promotes ripening of fruits.

(ii) Arrange and rewrite the terms in each group in correct order to be in a logical sequence beginning with the term that is underlined:


(a) Snake, Rabbit, Cabbage, Hawk.
(b) Xylem, Soil water, Cortical cells, Root hair.
(c) Receptor, Response, Effector, Spinal Cord
(d) Fovea, Lens, Cornea, Conjunctiva.
(e) Testis, Urethra, Sperm duct, Epididymis

(iii)


(iv) Choose the odd one out from the following terms and name the category to which the others belong:

(a) Used bandages, Pesticides, Face masks, Syringes.
(b) Dust, Smoke, Carbon monoxide, Effluents
(c) Uterus, Urethra, Urinary bladder, Ureter
(d) Menstrual phase, Telophase, Follicular phase, Luteal phase
(e) Malleus, Incus, Cochlea, Stapes

(v) State the exact location of the following structures:

(a) Thyroid gland
(b) Dura mater
(c) Amniotic fluid
(d) Papillary muscles
(e) Islets of Langerhans

Solution

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