Biology
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.
Related Questions
The phenotypic ratio in F2 generation of a monohybrid cross is :
- 1:3
- 1:2:1
- 3:1
- 9:3:3:1
The waxy substance of cuticle layer consists of :
- Cutin
- Fat
- Histone
- Protein
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.
Match the items given in column I with the most appropriate ones in column II and rewrite the correct matching pairs.
Column I Column II (i) Endosmosis 1. Hydathodes (ii) Exosmosis 2. Hydrophilic (iii) Guttation 3. Hypertonic solution (iv) Cellulose 4. Hydrostatic pressure (v) Ultrafiltration 5. Hypotonic solution 6. Haematuria 7. Haemin