Ethylene is a
Ethylene is a Options (a) Gaseous hormone (b) Gaseous enzyme (c) Liquid-gas mixture (d) Solid hormone Correct Answer: Gaseous hormoneExplanation:Ethylene…
5 years ago
PB2004
Dormancy of seed is broken by
Dormancy of seed is broken by Options (a) Auxin and Cytokinin (b) Gibberellins and ethylene (c) Ethylene and auxin (d)…
5 years ago
Which are smallest cell organelles
Which are smallest cell organelles? Options (a) Lysosomes (b) ribosomes (c) sphaerosomes (d) glyoxysomes Correct Answer: ribosomesExplanation:Site of protein synthesis
5 years ago
The term protoplasm for the cell contents was coined by
The term protoplasm for the cell contents was coined by Options (a) Yon Mohl (b) J.E. Purkinje (c) J.S. Huxley&Hertwig…
5 years ago
The term mitochondria was given by
The term mitochondria was given by Options (a) Benda (b) Altmann (c) Palade (d) de Duve Correct Answer: BendaExplanation:No explanation…
5 years ago
The nucleus is seperated from surrounding cytoplasm by a nuclear membrane
The nucleus is seperated from surrounding cytoplasm by a nuclear membrane, which is Options (a) single layered with pores (b)…
5 years ago
Oxygen is not evolved on reaction of ozone with
Oxygen is not evolved on reaction of ozone with Options (a) H₂O₂ (b) SO₃ (c) Hg (d) KI Correct Answer:…
7 years ago
The volume occupies by one molecules of water is [density of water =1g/cm³
The volume occupies by one molecules of water is [density of water =1g/cm³ Options (a) 22400 cm³ (b) 6.02 ˣ…
7 years ago
In which of the following parthenocarpy makes no sense?
In which of the following parthenocarpy makes no sense? Options (a) banana (b) orange (c) lemon (d) pomegranate Correct Answer:…
7 years ago
The hybridisation of B in BF₃ molecules is
The hybridisation of B in BF₃ molecules is Options (a) sp (b) sp² (c) sp³ (d) sp³d Correct Answer: sp²Explanation:No…
7 years ago