The function of tapetum is
Options
(a) protective (b) nutritive (c) allow respiration (d) protective & nutritive & allow respiration
Correct Answer:
nutritive
Explanation:
No explanation available. Be the first to write the […]
Carbon percentage is maximum in
Options
(a) ethylene glycol (b) gammexane (c) pyrene (d) PVC
Correct Answer:
PVC
Explanation:
PVC is a polymer with large number of C-atoms. Percentage of C = (Mass […]
In which following reactions aromatic aldehyde is treated with acid anhydride in presence of corresponding salt of the acid to give unsaturated aromatic acid
Options
(a) Wurtz’s reaction (b) Perkin’s reaction (c) Friedel-Craft’s […]
Increase in boiling point of a sucrose solution is 0.1 K, then what is increases in boiling point of the same concentration of NaCl solution
Options
(a) 0.4 K (b) 0.2 K (c) […]
Alkyl halides react with metallic sodium in the presence of anhydrous ether is
Options
(a) Perkin’s reaction (b) Aldol’s reaction (c) Wurtz’s reaction (d) none of these
Correct Answer:
Wurtz’s reaction
Which of the following has highest chlorine content
Options
(a) chloral (b) DDT (c) pyrene (d) gammexane
Correct Answer:
pyrene
Explanation:
No explanation available. Be the first to write the explanation for this […]
Which of the following compounds volatilises on heating
Options
(a) ZnCl₂ (b) HgCl₂ (c) MgCl₂ (d) None of these
Correct Answer:
HgCl₂
Explanation:
No explanation available. Be the first to write the explanation […]
Water re-absorption in kidneys are controlled by
Options
(a) ADH (b) oxytocin (c) aldosterone (d) GH
Correct Answer:
ADH
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Halophytes are peculiar in having
Options
(a) pneumatophoric stems (b) velamen tissue (c) vivipary (d) saline soils
Correct Answer:
vivipary
Explanation:
No explanation available. Be the first to write the explanation for this […]
Embryo from egg without fertilisation is
Options
(a) parthenogenesis (b) apogamy (c) parthenocarpy (d) allogamy
Correct Answer:
parthenogenesis
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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