The part of earth and atomosphere supporting life is
The part of earth and atomosphere supporting life is Options (a) biota (b) ecotone (c) biome (d) biosphere Correct Answer:…
7 years ago
UP1998
An orbital in which n = 4 and l = 2 is expressed by
An orbital in which n = 4 and l = 2 is expressed by Options (a) 4s (b) 4p (c)…
7 years ago
Who discovered jumping genes in maize?
Who discovered jumping genes in maize? Options (a) Milton Rand (b) Hugo de Vries (c) Keith Porter (d) Barbara mc…
7 years ago
Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum
Rough endoplasmic reticulum differs from smooth walled endoplasmic reticulum due to the presence of Options (a) DNA (b) ribosomes (c)…
7 years ago
The pigment haemocyanin is found in
The pigment haemocyanin is found in Options (a) chordata (b) mollusca (c) annelida (d) echinodermata Correct Answer: molluscaExplanation:No explanation available.…
7 years ago
Histamines are secreted by
Histamines are secreted by Options (a) mast cells (b) macrophages (c) Kupffer cells (d) Nissl's granules Correct Answer: mast cellsExplanation:No…
7 years ago
IUPAC name of CH₃–O–C₂H₅ is
IUPAC name of CH₃–O–C₂H₅ is Options (a) ethyl-methyl ether (b) methoxyethane (c) methyl-ethyl ether (d) none of these Correct Answer:…
7 years ago
The number of water molecules in gypsum and in plaster of paris are respectively
The number of water molecules in gypsum and in plaster of paris are respectively Options (a) 2 and 1/2 (b)…
7 years ago
Decomposers are
Decomposers are Options (a) autotrophs (b) autoheterotrophs (c) heterotrophs (d) organotrophs Correct Answer: heterotrophsExplanation:No explanation available. Be the first to…
7 years ago
Which of the following is the largest root parasite
Which of the following is the largest root parasite Options (a) Rafflesia (b) Areuthobium (c) Monotrapa (d) Pistia Correct Answer:…
7 years ago