Which is difference between melting and boiling point of zero group elements
Options
(a) Melting point is higher than boiling point (b) Boiling point is higher than melting point (c) Both have same […]
Element having maximum electron affinity is
Options
(a) F₂ (b) Cl₂ (c) Br₂ (d) I₂
Correct Answer:
Cl₂
Explanation:
Electron affinity generally decreases down the group due to decrease in the value of […]
Number of (approximately) genes in E. coil are
Options
(a) 4000 (b) 6000 (c) 10000 (d) 18000
Correct Answer:
6000
Explanation:
No explanation available. Be the first to write the explanation for this […]
Two organs which are similar in structure and origin, but not necessarily in function are called
Options
(a) homologous (b) analogous (c) apocrine (d) none of these
Correct Answer:
homologous
Explanation:
No explanation […]
Which one is a single membrane cell organelle?
Options
(a) Endoplasmic reticulum (b) Mitochondria (c) Lysosomes (d) Chloroplast
Correct Answer:
Lysosomes
Explanation:
No explanation available. Be the first to write the explanation for […]
Function of embryonal suspensor in angiosperms is to
Options
(a) serve as channel for H₂O (b) push embryo deeper into endosperm (c) release growth hormones (d) transfer nutrients from parent sporophyte to young […]
Which of the following is the correct sequence of layers in typical monocot root (from outer surface to inside)?
Options
(a) pericycle, cortex, endodermis, epiblema (b) epiblema, endodermis, cortex, pericycle (c) epiblema, cortex, […]
Acrosome of sperm is formed from
Options
(a) nucleus of spermatid (b) mitochondria of spermatid (c) Golgi complex of spermatid (d) centrosome of spermatid
Correct Answer:
Golgi complex of spermatid
Explanation:
No explanation […]
Picrates formed by
Options
(a) Phenol (b) aromatic hydrocarbon (c) aromatic amine (d) all of these
Correct Answer:
Phenol
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Phenol on reaction with bromine water would give
Options
(a) bromosalicylic acid (b) p-bromobenzoic acid (c) 1,3,5-tribromophenol (d) 2,4,6-tribromophenol
Correct Answer:
2,4,6-tribromophenol
Explanation:
No explanation available. Be the first to write the explanation […]
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