| Updated On February 4th, 2020 at 02:36 pm
Q1. Red colour in tomato is due to
(d) None of the above
Q2. Lymphocytes cells are formed in which part of human body?
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Q3. The blood group of universal donor is-
Q4. Water soluble vitamin is-
(a) Vitamin A
(b) Vitamin C
(c) Vitamin D
(d) Vitamin E
Q5. Which one of following hormones stimulates pancreas for the production of digestive juice?
Q6. When ants bite, they inject:
(a) Glacial acetic acid
(c) Formic acid
(d) Stearic acid
Q7. What is MRI?
(a) Magnetic Record of Intestines
(b) Magnetic Recording of investigations
(c) Magnetic Resonance Imaging
(d) Magnetic Resonance in Intestines
Q8. Lexicography is related to:
(a) Structure of human body
(b) Compilation of dictionary
(c) Secret of handwriting
(d) Teaching of pictures and models.
Q9. Dinosaurs were in
(a) Paleozoic era
(b) Cenozoic era
(c) Mesozoic era
(d) Pleistocene era
Q10. The red colour of the red sea is due to the presence of :
Sol. Lycopene pigment, which is a red colour carotene is responsible for the redness of tomato.
Sol. A lymphocyte is one of the three sub types of white blood cell in a vertebrate’s immune system. Lymphocytes circulate in blood and lymph fluid is found in body tissues including the spleen, thymus, bone marrow, lymph nodes, tonsils, and liver. B-Lymphocytes and T-Lymphocytes are the two main types of lymphocytes.
Sol. Individuals with blood group ‘O’ are a universal donor because their red blood cells have neither A nor B antigens on their surface. So, the blood of a person having O group can be given to people with any blood group.
Sol. Vitamin B and C are water soluble vitamins whereas A, D, E and K are fat-soluble Vitamins.
Sol. Secretin is a hormone that stimulates pancreas for the production of digestive juice. Secretin also helps to regulate the pH of the duodenum by inhibiting the secretion of gastric acid from the parietal cells of the stomach. It also stimulates the contraction of the pancreas.
Sol. The acid produced by ants is called formic acid. Chemically it is a simple carboxylic acid.
Sol. Magnetic resonance imaging (MRI) is a test that uses to make pictures of organs and structures inside the body.
S8. Ans. (b)
Sol.Lexicography is related to a glossary of language design, compilation, the evaluation of general dictionaries.
S9. Ans. (c)
Sol.Dinosaurs lived between 230 and 65 million year ago, in a time known as Mesozoic Era.
S10. Ans. (c)
Sol. The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. An alga, of phylum Cyanobacteria called Trichodesmium erythraeum is present in this sea. It contains abundant quantities of pigments, phycobilin, phycoerythrin and phycocyanin, due to which the sea appears red or pinkish.
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