The number of unpaired electron in Mn²⁺ is
The number of unpaired electron in Mn²⁺ is Options (a) 1 (b) 4 (c) 3 (d) 5 Correct Answer: 5Explanation:No…
7 years ago
UP1997
Which of the following is used to prevent bleeding in infants?
Which of the following is used to prevent bleeding in infants? Options (a) vitamin-A (b) vitamin-D (c) vitamin-C (d) vitamin-K…
7 years ago
The soil erosion can be prevented by
The soil erosion can be prevented by Options (a) over grazing (b) afforestation (c) deforestation (d) tourism Correct Answer: afforestationExplanation:No…
7 years ago
Anaerobic respiration, after glycolysis, is called
Anaerobic respiration, after glycolysis, is called Options (a) restoration (b) multiplication (c) fermentation (d) fragmentation Correct Answer: fermentation Explanation: Fermentation…
7 years ago
Arbor vitae is composed of
Arbor vitae is composed of Options (a) grey matter (b) white matter (c) neuroglial cells (d) grey matter & white…
7 years ago
Balanced diet should have approximately
Balanced diet should have approximately Options (a) 1/5 proteins, 3/5 fats and 1/5 carbohydrates (b) 1/5 proteins, 1/5 fats and…
7 years ago
In angiosperms, which of the following part is triploid?
In angiosperms, which of the following part is triploid? Options (a) zygote (b) archegonia (c) endosperm (d) corolloid root Correct…
7 years ago
Heart beats are accelerated by
Heart beats are accelerated by Options (a) cranial nerves and acetylcholine (b) cranial nerves and adrenaline (c) sympathetic nerves and…
7 years ago
The placenta of human beings belong to the category of
The placenta of human beings belong to the category of Options (a) haemochorialis (b) endotheliochorialis (c) syndesmochorialis (d) epitheliochorialis Correct…
7 years ago
Which of the following blood vessels in circulatory system of frog has more deoxygenated blood?
Which of the following blood vessels in circulatory system of frog has more deoxygenated blood? Options (a) pulmonary artery (b)…
7 years ago