Name the following :

(i) The organelle which initiates cell division.

(ii) The genetic constitution of an organism.

(iii) The plastid which contains coloured pigments (yellow/orange/red, etc.)

(iv) A solution whose concentration is greater than that of the cell sap.

(v) The biological process which is the starting point of the food chain.

Arrange and rewrite the terms in each group in the correct order so as to be in a logical sequence beginning with the term that is underlined (highlighted).

(i) Prophase, Telophase, Anaphase, Metaphase

(ii) Kidney, Urethra, Ureter, Urinary bladder

(iii) Right ventricle, Lungs, Pulmonary vein, Pulmonary artery

(iv) Ear pinna, Membranous labyrinth, Ear ossicles, Auditory canal

(v) Stimulus, Effector, Receptor, CNS.

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

(i) Chloroplast, Chromoplast, Chromosome, Leucoplast

(ii) Adenine, Adrenaline, Thymine, Cytosine

(iii) Thrombokinase, Thrombocytes, Leucocytes, Erythrocytes

(iv) Urea, Uric acid, Urochrome, Ammonia

(v) Wisdom teeth, Oesophagus, Vermiform appendix, Ear pinna

State the exact location of the following structures:

(i) Leydig cells

(ii) Prostate gland

(iii) Macula lutea

(iv) Mitral valve

(v) Nissl granules