Biology
Fill in the blanks with suitable words.
Spleen is the largest (a) …………… , it acts as (b) …………… , produces (c) …………… destroys worn out (d) …………… and produces RBCs in (e) …………… .
Related Questions
Name the following:
(a) The centre of reflex action.
(b) A gas responsible for greenhouse effect.
(c) The site, where the sperm and ovum unite and fuse.
(d) The cytoplasmic division of a cell.
(e) The phase of cardiac cycle, in which the auricles contract.
Arrange and rewrite the terms in each group in correct order so as to be in a logical sequence beginning with the term that is underlined.
(a) Chloroplast, Thylakoids, Grana, Stroma
(b) Urinary bladder, Kidney, Urethra, Ureter
(c) Conjunctiva, Retina, Cornea, Optic nerve, lens
(d) Repolarisation, Depolarisation, Resting potential
(e) Axial filament, Acrosome, Nucleus, Tail, Middle piece
Choose the odd one out from the following terms and name the category to which the other belong.
(a) Sneezing, Coughing, Typing, Blinking
(b) Goitre, Dwarfism, Acromegaly, Cataract
(c) Sewage, Radiation, Oil spills, Thermal pollution
(d) ADH, TSH, NADP, ACTH
(e) Colour blindness, AIDS, Haemophilia, Albinism
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 Guttation Permanently open Bleeding Fallopian tube Lenticels Nerium Fertilisation Injured part of plants Sunken stomata Potometer Hydathodes