MCQ
Big-Bang theory attempts to explain the origin of
- AEarth
- BSolar-system
- ✓Universe
- DContenents
Origin of Universe There are several theories regarding the origin of universe but most accepted is Big-Bang theory.
Big-Bang Theory This theory was proposed by Abbe Lemaitre in $1931.$ According to the Big-Bang theory about $15$ billion years ago, cosmic matter was in a condensed form. Explosion took place which broke the condensed matter and scattered its fragments into space at an enormous velocity making a Big-Bang sound and thus the theory came to be known as the Big-Bang theory
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| Column$-I$ | Column$-II$ |
| $(a)$ Placenta | $(i)$ Androgens |
| $(b)$ Zona pellucida | $(ii)$ Human Chorionic Gonadotropin $(hCG)$ |
| $(c)$ Bulbo$-$urethral glands | $(iii)$ Layer of the ovum |
| $(d)$ Leydig cells | $(iv)$ Lubrication of the Penis |
$(a)\quad(b)\quad(c)\quad(d)$
$3$'$TACATGGCAAATATCCATTCA5'$
| | Bioactive Substance | | Role |
| i. | Statin | a. | Removal of oil stains |
| ii. | Cyclosporin A | b. | Removal of clots from blood vessels |
| iii. | Streptokinase | c. | Lowering of blood cholesterol |
| iv. | Lipase | d. | Immuno-suppressive agent |