Double fertilization was first described by
Double fertilization was first described by Options (a) Robert Brown (b) Nawaschin (c) Straburger (d) de Candolle Correct Answer: NawaschinExplanation:No…
6 years ago
PB2002
Root cap is absent in
Root cap is absent in Options (a) mesophytes (b) hydrophytes (c) epiphytes (d) xerophytes Correct Answer: hydrophytesExplanation:No explanation available. Be…
6 years ago
Devine and Collego are two trade names in agriculture. They are used as
Devine and Collego are two trade names in agriculture. They are used as Options (a) bioinsecticides (b) natural insecticides (c)…
6 years ago
Biscuspid valve regulates the flow of blood from
Biscuspid valve regulates the flow of blood from Options (a) left vernicle to SA-node (b) left auricle to left vernicle…
6 years ago
Bicuspid valve regulates the flow of blood from
Bicuspid valve regulates the flow of blood from Options (a) left ventricle to SA Node (b) left auricle to left…
6 years ago
A source is moving towards an observer with a speed of 20 m/s and having frequency
A source is moving towards an observer with a speed of 20 m/s and having frequency of 240 Hz. The…
6 years ago
Two closed organ pipes when sounded simultaneously give 4 beats/second.
Two closed organ pipes when sounded simultaneously give 4 beats/second. If longer pipe has a length of 1m, then length…
6 years ago
X-ray beam can be deflected by
X-ray beam can be deflected by Options (a) Magnetic field (b) Electric field (c) Both (a) and (b) (d) None…
6 years ago
The wavelength of light emitted from second orbit to first orbit in a hydrogen atom is
The wavelength of light emitted from second orbit to first orbit in a hydrogen atom is Options (a) 1.215x10⁻⁷ m…
6 years ago
In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes from 2 A…
6 years ago