A disease that can be caused by the deficiency of nicotinic acid for a long time is?
(A) Beri-Beri
(B) Pellagra
(C) Scurvy
(D) anemia
The presence of funnel cells is a characteristic feature of ______
(A) Roundworms
(B) SpongeBob
(C) earthworms
(D) tongue worm
Which of the following plants is not a collection organ of a stem?
(A) Sugarcane
(B) Ginger
(C) Potato
(D) Sweet potato
Desert plants have long roots because?
(A) High soil temperature encourages roots to elongate
(B) Roots are long in search of water
(C) There is no water in the land. Therefore, it hardens and puts pressure on the roots, due to which it becomes elongated.
(D) Roots grow in the opposite direction to the heat of the sun
In which branch do you study flowering plants?
(A) Cryptogames
(B) Phanerogames
(C) Bryophytes
(D) Pteridophytes
Which of the following contains a layer?
(A) mitochondria
(B) plastid
(C) Lysosome
(D) Rashadhani
Do antibiotics affect?
(A) Bacteria
(B) Virus
(C) Viruses
(D) All of them
The electron gun is the main part of?
(A) Cathode Ray Isoloscope
(B) Transistor tester
(C) Single Generator
(D) All of the above
The most common use of electron guns is in cathode-ray tubes, which were widely used in computer and television monitors before the advent of flat screen displays. Most color cathode-ray tubes incorporate three electron guns, each one producing a different stream of electrons.
Which of the following is known as the suicide sac of the cell?
(A) Lysozyme
(B) golgibody
(C) ribosome
(D) None of these
Lysosomes are called "suicide bags" of the cell because they have hydrolytic enzymes stored in them. These enzymes are used to digest complex molecules in a cell. When released into the cytoplasm, these enzymes can "digest" or destroy the cell itself.
Which of the following hitting methods has the highest power factor?
(A) heating resistance
(B) induction heating
(C) Arc heating
(D) Dielectric heating
The correct answer is Resistance Heating. Resistance heating is based on the I2R effect and is highly resistive in nature that's why it has the maximum power factor. Electric resistance heating is defined as “the heat produced by passing an electric current through a material that preferably has high resistance”.
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