Biology
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.
Related Questions
The cones contain the pigment
- rhodopsin
- visual purple
- iodopsin
- Both 1 and 2
Rajeev developed a clot at the site of bleeding. Which of the following is/are involved in the process described above?
(1) Platelets
(2) WBCs
(3) Plasma
(4) RBCs- Only 1
- only 1 and 2
- Only 1, 3 and 4
- Only 1, 2 and 4
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
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) …………… .