Given below are certain groups of terms. In each group the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Example: Cytoplasm : Cytokinesis :: Nucleus : Karyokinesis.

(i) Widening of hips: Oestrogen :: Deepening of voice in males :

(ii) Brain: Meninges :: Heart :

(iii) Insulin : Beta-cells :: Glucagon :

(iv) Kidney: Renal artery :: Liver :

(v) Uterus : Implantation :: Fallopian tube :

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:

(i) Stimulus, Response, Receptor, Effector, Spinal cord.

(ii) Root hair, Endodermis, Epidermis, Xylem, Cortex.

(iii) Conjunctiva, Yellow spot, Pupil, Vitreous Humour, Aqueous Humour.

(iv) Australopithecus, Cro-Magnon Man, Homo erectus, Neanderthal Man, Homo sapiens.

(v) Artery, Capillaries, Venule, Vein, Arteriole

Agranulocytes are:

1. Lymphocytes, Monocytes
2. Lymphocytes, Basophils
3. Eosinophils, Basophils
4. Eosinophils, Monocytes

Which of the following is not a natural reflex action?

1. Knee-jerk
2. Blinking of eyes due to strong light
3. Salivation at the sight of food
4. Sneezing when any irritant enters the nose