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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 ...
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 ...
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 ...
___ 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, ...
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 ...
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 ...
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. ...
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 ...
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 ...
A) Vitamin A B) Vitamin C C) Vitamin K D) Vitamin D Answer: D) Vitamin D
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