In meiosis, crossing over is initiated at
Options
(a) Pachytene (b) Leptotene (c) Zygotene (d) Diplotene
Correct Answer:
Pachytene
Explanation:
Leptotene is Condensation of chromatin.Zygotene is Synapsis of homologous chromosomes.Pachytene is Crossing over.Diplotene […]
In man which one of the following cranial nerve is associated with the sense of body balance?
Options
(a) VI (b) VII (c) VIII (d) XI
Correct Answer:
VIII
Explanation:
VIII,the auditory cranial […]
In man the thoracic basket is composed of
Options
(a) Ribs and thoracic vertebrae (b) Ribs and sternum (c) Ribs, sternum and vertebrae (d) Ribs, sternum and thoracic vertebrae
Correct Answer:
Ribs, sternum […]
In man the axial skeleton is made up of
Options
(a) 80 bones (b) 103 bones (c) 100 bones (d) 106 bones
Correct Answer:
80 bones
Explanation:
It forms the main axis. It […]
In man and mammals, air passes from outside into the lungs through
Options
(a) Nasal cavity, larynx, pharynx, trachea, bronchi, alveoil (b) Nasal cavity, larynx, pharynx, trachea, bronchioles, alveoli (c) Nasal cavity, pharynx, […]
In mammalian ear, a membranous structure which separate the scala vestibuli and scala media is
Options
(a) Basilar membrane (b) Reissner’s membrane (c) Autolith membrane (d) Tectorial membrane
Correct Answer:
Reissner’s membrane
Explanation:
The […]
Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread
Options
(a) I Temperature of about 25°C (b) II. a shady place (c) III.Relative humidity of […]
As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
Options
(a) will decrease (b) will increase (c) remain same (d) may increase or decrease
Correct Answer:
will […]
DNA content is doubled during
Options
(a) metaphase (b) Interphase (c) prophase (d) telophase
Correct Answer:
Interphase
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting […]
Four phases of cell cycle are
Options
(a) G₁→S→G₂→M (b) S→G₁→G₂→M (c) G₁→G₂→S→M (d) M→G₁→G₂→S
Correct Answer:
G₁→S→G₂→M
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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