Suddenly, remembered the website after a long time, felt nostalgic thinking about the lockdown days I had passed by engaging in this site throughout day and night. Also had some fruitful outcomes too. Thank you tutorcrazy team. Hope everyone is doing ...Read more
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A) Hypothalamus B) Cerebrum C) Corpus Callosum D) Mid Brain Answer: B) Cerebrum There is no single “center” of the brain responsible for intelligence, memory, and emotions, as these processes involve complex interactions between various regions of the brain. However, the cerebrum plays ...Read more
A) Respiration B) Photosynthesis C) Ingestion D) Transpiration Answer: B) Photosynthesis The process by which autotrophs (organisms that can produce their own food) take in substances from the outside and convert them into a stored form of energy is called photosynthesis. During photosynthesis, autotrophs use energy from ...Read more
A) Mendel was the first scientist to visualise a gene as an inheritance in 1886 B) The term ‘Genetics’ was coined by J.D. Watson in 1906 C) In human beings, there are 46 chromosomes. Of these, 42(21 pairs) are autosomes and 4(2 ...Read more
___ is concerned with cell division. A) Cytokinin B) Gibberellin C) Maleic hydrazide D) Auxins Answer: A) Cytokinin Cytokinesis is primarily concerned with cell division. Cytokinesis is the process in which the cytoplasm of a single eukaryotic cell divides into two daughter cells. This occurs after mitosis, ...Read more
A) Theory of evolution B) Theory of inheritance C) Cell theory D) Theory of natural selection C) Cell theory The given statement refers to the Cell theory, which states that all living organisms are composed of one or more cells, and that the cell is ...Read more
A) Carbon dioxide B) Carbon monoxide C) Nitrogen oxides D) Oxygen Answer: C) Nitrogen oxides The major cause of acid rain is the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere, which react with water, oxygen, and other chemicals to form ...Read more
A) Sir Tim-Berners-Lee B) Maxwell C) Martin Cooper D) S A Forbes Answer: A) Sir Tim-Berners-Lee The World Wide Web (WWW or Web) was invented by British computer scientist Sir Tim Berners-Lee in 1989 while he was working at CERN, the European Organization for Nuclear Research. ...Read more
A) Gibberellic B) Auxins C) Cytokinins D) Thyroxin The correct answer is D) Thyroxin. Thyroxin is not a plant hormone; it is a hormone produced by the thyroid gland in vertebrates. The other options, gibberellic acid, auxins, and cytokinins, are all plant hormones. Gibberellic ...Read more
A) Circulatory system B) Excretory system C) Reproductive system D) Respiratory system The correct answer is B) Excretory system. The nephron is the functional unit of the kidney, which is a part of the excretory system in the human body. The nephron is responsible ...Read more
A) Vitamin A B) Vitamin C C) Vitamin K D) Vitamin D Answer: D) Vitamin D
A) vacuum B) solids C) liquids D) gases The correct answer is A) vacuum. The speed of light is a fundamental constant in physics, and its value is approximately 299,792,458 meters per second in a vacuum, denoted by the symbol ‘c’. In any other ...Read more
A) Newton B) Joule C) Ampere D) Watt Answer: C) Ampere
A) 8 B) 16 C) 32 D) 64 Answer: C) 32 An IP address is a 32-bit number (in the case of IPv4) or a 128-bit number (in the case of IPv6) that uniquely identifies a device on a network.
Process of loosing electrons is known as _____. A) oxidation B) reduction C) radiation D) both oxidation and reduction A) The process of losing electrons is known as oxidation.
A) losing of electrons B) gaining of electrons C) gaining of neutrons D) losing of neutrons Answer: B) gaining of electrons Anions are formed by the gain of one or more electrons by an atom, ion, or molecule. This results in an increase in the negative ...Read more
A) 4 B) 2 C) 3 D) 1 Answer: D) 1
A) 12 B) 15 C) 13 D) 18 Answer: B) 15
A) 2 B) 3 C) 4 D) 1 Answer: D) 1
A) 68 B) 56 C) 43 D) 67 Answer: D) 67
A) A B) U C) S D) I Answer: C) S
A) 216 B) 125 C) 343 D) 510 Answer: D) 510
A) 18 B) 25 C) 24 D) 31 Answer: B) 25
A) 5 B) 6 C) 4 D) 7 Answer: C) 4